[Freetel-codec2] RFC: 1300C

To make comparing the sample a bit more objective, here are the error
values of the all.1300c.wav file per 40ms frame.
First two collums are the 2 codebook entries selected for mode 700C and
the third column is the calculated squared error.
The next five columns are the 5 codebook entries selected for mode 1300C
and the last column is again the calculated squared error. As you can
see it is not unusual for it to be four times lower.

233 422 147.647919 503 505 11 179 219 44.553898
325 510 181.368240 451 21 21 78 100 45.464817
451 258 148.718140 451 258 16 21 29 45.768272
228 80 90.499649 34 237 37 123 121 43.202187
228 37 157.971237 228 37 2 37 39 49.921417
508 151 107.038239 508 151 39 201 79 31.536287
140 167 102.829575 436 164 23 46 95 40.998692
163 495 99.522934 163 78 181 102 194 43.852077
386 386 210.730103 386 140 39 61 55 46.412121
386 295 246.201874 386 295 160 49 9 41.924938
8 253 150.807434 8 396 145 142 15 31.501804
395 290 281.666107 395 57 24 68 128 52.487968
156 378 298.061066 156 378 160 199 163 46.268307
252 140 143.043137 252 140 32 58 31 49.562840
137 281 300.300781 137 493 127 77 152 42.387012
87 41 328.088165 49 149 85 96 191 82.831955
91 313 92.516937 91 342 222 67 22 36.041050
128 459 180.377136 278 100 108 182 209 60.553558
49 252 139.408264 49 252 15 26 19 40.837978
289 75 131.074295 248 322 90 59 103 17.612642
355 146 265.222168 355 407 222 71 99 73.439407
111 56 92.347755 111 56 0 64 3 41.532867
265 239 157.375458 411 393 0 93 224 53.163589
241 66 153.000595 241 399 253 64 63 47.846157
326 10 138.359451 326 240 210 63 123 41.266605
44 109 127.177170 44 109 9 62 65 45.500179
224 378 201.815964 69 475 32 136 138 49.213757
288 346 72.265251 288 359 16 156 0 42.942123
178 510 148.850525 178 146 1 61 113 41.565170
333 180 312.276978 333 180 145 133 57 69.454086
451 193 69.917313 404 135 16 27 56 32.561127
451 285 133.718277 451 30 151 173 187 29.812428
140 167 88.817291 436 164 23 39 74 37.682289
140 322 169.870010 140 158 169 39 91 56.077801
391 362 429.265015 352 345 116 115 48 71.408165
116 307 155.442047 355 19 142 63 67 60.193554
87 339 119.485100 87 339 151 102 66 45.062138
91 206 117.031303 91 383 105 58 169 54.464661
219 186 126.147766 219 186 16 131 170 28.837233
505 161 286.248840 505 161 85 109 249 52.463730
3 229 199.624817 3 229 7 239 8 55.336121
411 479 218.442596 411 479 86 49 19 56.919838
434 32 183.146500 434 140 116 49 39 50.288322
371 405 109.610397 248 436 22 45 184 43.478477
74 362 127.279114 74 362 0 3 54 48.129131
94 101 229.217987 94 101 70 37 41 73.690918
264 251 147.646072 264 189 73 108 136 37.705185
63 479 218.821442 63 502 110 180 150 49.792801
443 22 166.788361 443 22 37 40 33 65.506363
190 124 372.739441 190 124 36 171 20 70.339455
401 378 140.835541 198 378 41 197 127 38.892132
309 11 152.522980 209 115 212 61 177 57.784550
441 24 155.904083 441 310 7 180 5 33.559052
246 140 199.056381 445 239 88 70 130 45.895939
280 341 178.415756 280 341 32 21 60 44.076591
280 55 240.220337 280 55 251 174 182 52.880894
280 55 246.933685 280 55 173 59 250 48.752373
215 183 294.185394 215 183 6 120 200 68.541962
240 374 589.771912 467 479 87 248 178 153.107224
190 164 521.321350 190 164 107 113 189 59.873711
374 295 324.502533 374 295 33 15 54 71.200981
374 376 187.600235 374 376 235 59 196 42.682747
144 471 232.218857 336 424 235 157 58 69.440002
343 484 107.534515 343 408 1 71 207 45.475224
451 510 210.914673 451 510 4 156 209 42.572525
451 483 94.179573 228 253 29 12 0 23.819105
228 253 86.819855 228 253 29 55 63 35.485752
451 270 164.034653 451 195 70 122 120 46.696651
451 195 102.187294 161 317 4 74 25 40.133240
451 452 80.114838 451 452 15 39 59 41.008793
501 349 179.203720 501 349 62 48 32 38.993614
228 106 98.077240 490 463 25 52 120 35.614235
269 301 194.679169 477 463 222 73 92 44.784603
343 222 166.625000 510 6 21 119 0 47.770222
451 510 126.503082 451 452 21 21 59 39.129257
451 324 109.060669 451 65 25 3 240 38.090450
295 87 234.316742 295 87 181 55 239 42.107018
17 209 164.704346 17 65 11 6 216 42.009460
295 80 83.156197 295 80 37 193 200 32.770020
510 186 162.467087 510 186 4 13 77 39.908054
228 510 97.679512 228 510 25 60 232 37.310242
85 464 182.283112 85 464 2 26 220 49.726727
228 119 71.275261 228 493 127 43 176 40.666931
278 277 155.832123 92 162 58 128 83 46.144493
165 24 230.953735 165 24 34 14 43 46.388229
504 257 161.134201 504 180 142 82 184 40.884586
504 133 192.721268 504 133 66 84 159 32.248768
278 392 169.781036 504 339 66 249 41 44.624557
411 239 242.630920 411 239 210 63 96 57.502659
441 271 338.805573 441 314 27 119 96 82.635696
439 316 267.039337 216 250 134 82 159 51.129704
382 370 158.099899 382 394 160 46 204 46.497486
511 475 126.148911 511 475 134 82 90 46.956760
316 201 193.514938 316 201 221 144 135 66.750290
278 180 346.641968 278 180 34 174 191 101.094009
278 235 278.418610 278 57 168 150 186 70.582520
278 94 377.501556 278 94 48 32 93 86.529900
278 351 82.235809 278 351 27 80 99 39.739120
411 339 137.460785 411 76 207 82 74 53.458317
123 170 97.023842 426 285 37 15 0 31.428448
123 87 259.639282 123 87 74 51 20 59.508896
123 378 120.335922 123 378 11 98 0 34.948620
382 375 120.038483 382 375 143 54 111 41.571789
241 386 115.464653 241 144 23 31 21 41.859516
374 135 219.017807 374 135 14 11 229 42.774288
170 378 393.866211 374 379 186 64 243 114.211861
278 427 137.561661 278 196 186 71 24 36.868145
472 295 356.442963 93 226 99 86 194 85.974640
144 307 207.329681 144 307 127 139 18 60.010933
504 464 304.849640 278 277 126 76 114 57.215942
458 421 202.581253 458 421 58 33 172 51.385429
85 508 402.402924 203 201 58 83 50 84.216980
203 345 270.876648 203 345 76 68 106 48.698490
385 392 170.233795 385 392 235 49 111 43.972664
203 119 86.822021 203 119 218 48 232 40.068478
203 422 202.442596 203 394 168 74 234 43.222450
104 110 275.648926 104 373 13 41 249 49.043472
104 348 266.199371 104 271 28 197 86 52.214844
104 252 191.544662 104 195 19 5 211 43.213074
358 195 187.263733 358 75 32 33 115 52.057529
123 167 164.245819 123 167 7 80 50 32.579319
504 376 171.398941 504 112 178 187 114 46.229137
504 277 138.936096 504 376 196 31 104 28.474892
504 78 94.993759 504 78 4 61 92 45.096107
278 277 130.231995 278 273 58 0 250 30.309448
458 24 112.469917 85 10 145 69 0 32.034763
239 510 128.195053 239 464 20 66 8 43.673615
411 251 360.230011 411 251 37 61 216 118.545074
18 475 183.174393 278 337 66 204 177 54.846336
18 475 191.226074 504 290 176 116 180 53.586987
504 386 248.484558 504 471 218 100 112 60.656765
336 339 473.547241 161 66 134 139 96 119.135857
374 369 230.323227 120 118 222 78 112 53.549206
120 119 123.004074 120 247 29 158 228 26.175037
374 363 251.198105 374 74 186 57 59 71.274734
120 283 226.418976 120 205 110 40 46 70.797424
146 479 256.512573 146 479 74 61 88 63.681484
433 479 138.461685 433 479 234 103 130 38.755703
459 446 66.830429 459 446 0 14 21 36.754955
241 130 111.982574 320 10 152 152 2 29.169571
62 328 200.562531 62 328 7 139 176 56.256886
343 187 132.245346 381 483 7 162 233 21.865145
435 474 202.272583 435 277 8 12 233 51.620163
239 146 117.966721 239 146 12 54 62 39.960644
510 349 134.886719 228 510 17 84 166 40.897224
239 341 196.233215 228 341 39 31 103 50.234772
510 349 112.233604 510 349 16 52 32 48.926579
249 106 115.316940 249 106 8 31 0 35.920151
343 504 127.106728 17 151 16 42 215 40.367420
182 229 200.424561 182 178 53 33 204 29.265814
277 178 266.337952 477 318 6 106 218 57.603645
355 292 162.089249 355 253 8 3 96 31.156256
343 292 88.509003 343 292 0 48 0 38.736374
192 344 130.198730 192 344 4 99 236 37.388569
343 333 138.942383 343 333 11 79 15 37.133476
116 229 270.158508 116 229 142 23 110 45.011440
52 510 87.352119 52 510 0 18 93 45.209808
325 510 143.634537 325 510 9 91 43 39.347355
194 510 205.536011 257 510 53 129 82 58.083015
506 68 85.273178 506 68 0 49 106 42.576874
147 301 181.074051 147 301 16 32 118 50.069469
153 474 82.073601 153 459 5 57 93 33.566837
153 220 173.064240 153 220 26 13 137 38.424530
153 407 110.639366 153 301 9 5 42 39.026779
347 65 142.518524 347 138 7 42 94 46.708382
110 295 247.107162 110 241 53 105 17 54.594131
116 317 119.566788 116 317 12 0 176 29.083282
352 229 94.294914 352 498 33 5 49 43.035069
335 424 200.365997 179 317 62 30 50 55.245422
174 186 170.652405 174 219 2 70 202 32.857292
482 505 173.127411 482 505 74 11 236 53.686886
287 395 116.955307 287 395 14 79 47 39.602467
480 178 293.381958 480 151 136 200 210 66.143051
458 194 366.798889 458 173 70 136 49 80.977913
460 5 272.445068 460 401 55 152 22 46.699188
17 398 152.638901 17 398 22 51 95 37.531593
189 258 223.314636 52 162 12 25 219 61.376823
477 474 378.934601 325 510 89 180 120 75.793541
503 161 228.985626 325 510 74 51 254 38.478050
3 384 169.252609 3 140 14 166 62 47.930191
3 449 156.154449 355 209 234 7 45 42.810516
339 27 201.400146 339 27 16 187 10 48.779484
295 200 173.968536 295 200 142 5 5 54.538311
263 110 179.021729 263 375 8 10 37 40.011387
487 317 318.863495 487 392 76 181 69 57.584518
487 236 268.247101 487 114 82 26 233 50.507023
263 138 163.310547 263 138 134 168 63 55.016895
135 123 88.396645 135 390 6 57 175 30.236193
486 504 125.991142 486 504 5 13 0 41.193729
486 504 113.581985 486 317 33 160 230 40.373703
364 438 245.013748 364 254 10 50 47 54.621643
486 344 228.499893 486 344 26 189 26 28.818779
390 76 227.955063 486 358 13 6 100 43.732052
34 317 198.521210 34 317 31 44 139 38.810276
221 139 327.343689 221 139 21 164 166 57.542618
335 510 318.242432 335 236 2 42 12 43.897850
54 510 189.270309 54 10 12 5 215 43.278805
52 460 201.484268 341 401 145 137 41 31.246778
269 62 343.178986 269 62 198 160 94 82.395134
332 261 344.598450 371 344 223 44 254 57.759369
249 423 267.760376 477 339 1 3 10 48.280682
258 510 97.456078 258 510 29 23 150 36.042400
159 423 322.590057 159 178 21 105 248 63.374748
6 510 235.354126 429 349 40 28 152 29.500975
95 248 88.906479 322 108 22 62 53 39.844501
100 435 322.427612 15 80 1 31 78 38.104881
257 510 222.856918 257 510 151 4 65 50.386269
349 358 89.922020 350 96 13 151 0 24.581480
48 17 168.921677 48 17 10 176 255 45.346428
272 483 71.282883 272 483 23 181 195 39.135277
142 510 168.095856 310 223 2 50 17 44.568478
358 492 85.421181 358 296 0 145 152 44.913574
17 511 246.651535 182 332 220 135 174 38.448586
329 28 238.350922 430 435 40 131 147 51.102749
433 510 246.757217 433 106 2 123 44 50.862461
145 58 150.312836 145 58 10 65 44 47.601433
417 417 285.235016 417 417 24 39 131 42.146423
61 80 306.936005 61 381 1 123 193 70.669983
183 80 240.914185 183 80 2 104 181 47.101334
123 510 384.395538 123 510 44 8 10 52.057308
329 165 281.826385 329 240 14 112 2 77.577774
181 237 186.874191 181 237 21 82 136 50.378815
417 150 59.091526 417 150 33 38 150 31.866770
89 129 190.633209 237 401 8 39 53 49.474411
201 254 276.309479 201 254 4 18 243 70.407616
48 375 253.680634 358 298 1 34 50 51.268711
436 459 389.771851 311 61 24 5 6 40.219494
335 463 301.925323 54 459 18 158 208 51.866928
54 349 151.886841 54 349 24 29 112 42.789013
335 6 331.694641 335 391 21 22 96 55.959045
329 326 230.071625 329 391 17 130 82 46.681980
315 473 198.854950 315 473 2 47 144 43.836811
421 380 184.206879 421 380 181 108 106 50.503910
44 80 116.859413 44 80 13 37 200 27.257744
472 510 197.322464 255 252 18 0 53 41.251579
278 333 97.667343 504 463 70 84 0 35.577976
18 186 131.909485 405 337 134 104 0 21.519114
18 344 192.890839 18 483 145 189 15 34.800640
24 349 188.128174 24 435 2 22 133 29.597569
182 510 180.082443 239 435 252 89 64 45.530792
148 510 104.977905 133 435 3 33 184 36.159462
335 341 172.186478 335 341 1 109 34 51.494316
148 510 182.695419 148 510 1 168 101 44.043751
133 349 247.681870 133 6 17 6 83 41.856827
413 199 140.644608 349 178 1 77 65 32.262177
474 313 98.795944 474 313 22 0 164 39.546806
349 445 180.875137 349 299 41 57 192 51.825001
474 178 67.767838 474 229 23 0 229 30.218361
474 178 192.194153 474 510 19 67 166 48.587341
81 463 212.329697 107 27 21 56 207 49.662514
413 380 206.716309 413 380 22 85 41 41.259850
107 415 107.704369 107 415 17 0 134 26.594116
1 415 144.769577 474 64 12 73 253 35.272659
189 460 167.326950 189 42 1 2 245 33.280163
349 349 90.204231 349 204 62 45 11 42.548073
133 178 167.056198 81 169 1 51 249 42.984161
335 349 399.844238 335 100 50 67 60 58.604259
329 151 338.842468 329 17 1 22 164 49.336372
364 122 419.889587 477 122 28 13 24 48.162663
364 178 511.318726 477 73 180 199 19 77.418495
181 146 272.835205 133 214 68 14 83 63.274105
492 122 390.854889 492 373 161 192 240 61.385036
249 362 191.785950 249 362 131 42 123 51.444504
390 156 239.121368 390 156 17 200 249 43.727821
390 47 257.870667 390 324 29 188 147 59.880806
314 469 168.264359 314 220 253 69 47 55.649929
81 435 109.216400 81 489 23 2 208 30.149994
133 384 227.298126 133 384 24 98 100 53.991497
31 366 122.603653 31 366 6 71 243 43.139828
31 178 187.797897 31 178 11 133 250 39.217407
132 178 473.191803 132 56 139 177 210 66.341393
37 178 181.717911 37 178 4 185 27 49.471935
60 131 97.474792 60 131 5 85 228 37.330070
17 324 252.029572 17 113 236 126 222 56.622406
335 225 263.700195 335 225 53 159 134 44.868179
133 373 236.462860 133 384 2 132 213 62.575714
413 384 164.151428 413 164 23 129 222 45.890434
108 144 341.660645 108 144 249 71 178 85.662056
135 295 253.072800 315 223 119 72 59 43.613934
135 226 318.433899 135 154 72 33 23 71.809639
135 504 259.748901 135 427 21 34 152 47.430466
345 349 320.098877 345 459 28 67 152 50.958382
390 80 186.760101 390 80 6 178 58 40.168888
249 122 413.818420 249 122 213 100 251 88.958443
486 384 290.774170 486 384 18 43 79 47.076160
345 56 287.781982 486 473 46 139 15 37.855244
135 473 396.501282 345 318 123 153 87 42.879585
181 155 352.224365 181 155 2 91 70 72.382980
133 165 217.943085 133 165 9 4 116 46.869568
329 349 288.300842 329 349 141 142 180 52.834007
148 186 285.914490 148 510 151 46 210 47.524330
413 252 238.904343 413 252 28 176 64 54.312027
486 201 406.626465 486 201 28 66 145 68.914185
486 435 582.723633 345 303 56 199 132 75.046631
345 56 542.413574 345 56 226 160 6 62.693348
364 435 547.637573 345 505 238 23 2 60.445408
364 373 212.645477 364 373 23 82 93 50.355743
135 381 122.305786 135 281 5 52 80 37.376141
340 358 254.119400 340 358 25 2 67 42.265915
415 165 235.309875 415 165 123 180 117 54.738956
340 459 160.101242 340 84 25 95 44 40.860294
17 384 158.082748 359 61 25 28 139 38.349548
17 110 386.239716 17 186 208 109 109 42.562607
135 178 429.225800 406 178 80 63 59 47.152443
477 415 313.900635 477 415 70 73 212 52.837177
148 510 294.066254 148 510 24 21 211 27.031700
329 510 306.401276 335 6 24 2 134 51.507977
477 362 447.535889 477 322 122 115 175 77.936913
413 435 146.567947 413 435 7 88 162 52.427139
450 110 249.523941 450 110 148 129 16 42.935234
122 358 182.356308 122 358 43 10 71 40.571388
122 5 253.141861 122 122 254 41 181 51.130211
114 422 256.876801 338 435 34 30 129 61.652111
500 474 343.076111 450 161 21 38 9 78.343872
500 510 226.485519 500 474 27 4 239 34.825642
350 225 208.132370 350 225 88 9 138 43.513119
113 122 241.361328 113 181 2 13 19 50.337078
413 96 163.465851 413 396 253 34 129 36.212509
349 33 253.573761 349 33 25 126 10 65.854645
236 165 252.177063 236 165 12 6 172 50.155025
494 503 309.414673 494 503 218 18 41 59.059231
45 199 496.044769 478 373 72 164 85 67.242134
415 122 221.690384 415 122 62 157 206 54.130291
332 269 326.054199 332 269 98 24 88 53.817867
105 229 156.786285 105 229 6 71 76 36.762486
214 324 243.874084 214 324 36 34 66 46.924377
507 83 317.828400 507 415 116 155 6 55.506199
53 61 302.631195 53 173 130 126 39 43.440712
60 476 265.870178 19 220 129 70 46 47.467262
250 396 276.598969 250 108 24 191 170 57.361050
58 474 124.527641 58 474 13 9 34 36.006855
182 423 325.231018 182 423 185 163 154 88.259148
450 423 220.631653 450 510 29 6 72 62.953739
31 56 239.018646 432 423 127 58 161 65.508507
31 492 168.153702 31 492 16 34 109 53.099895
404 468 166.901901 404 219 12 26 130 40.258400
135 450 226.356049 360 204 32 190 126 51.697121
182 324 283.983948 182 288 21 6 209 63.582184
182 288 313.769714 182 37 236 104 191 73.353485
349 435 111.060486 349 6 1 52 93 36.004604
99 159 276.033142 461 496 2 184 83 59.719421
480 318 339.910889 480 318 224 176 163 65.457108
347 100 259.421692 176 301 99 201 41 38.962120
306 80 196.801590 306 80 216 115 232 35.598560
132 349 140.777054 31 351 47 38 119 38.229294
192 1 288.850037 276 299 31 94 4 38.712978
414 459 262.482086 414 101 70 4 98 32.127850
236 396 214.706909 236 113 31 15 241 31.056892
461 459 255.851318 461 390 2 142 124 65.254333
413 151 151.870178 413 145 24 88 185 39.640770
313 56 338.673767 313 496 24 185 105 80.790581
332 504 210.930420 332 194 173 77 93 39.738956
31 317 325.959656 31 390 35 58 125 64.372330
306 200 251.686996 239 275 99 50 109 72.417549
182 268 227.625137 182 268 39 17 99 53.669231
235 435 416.023987 235 155 216 62 248 49.758518
35 463 167.047119 35 463 181 174 219 38.410957
31 351 191.548828 31 2 5 86 86 39.786945
435 510 269.248535 435 510 127 192 3 64.688934
210 510 364.836426 210 510 252 20 24 62.890697
413 299 163.754379 189 373 29 6 127 42.010044
54 510 139.472504 54 505 2 19 56 41.948162
243 182 562.665405 243 61 198 55 235 114.999527
31 151 92.924286 31 121 5 15 83 40.084400
31 454 109.741699 31 454 1 63 130 49.920334
122 200 176.176498 122 510 108 50 49 47.615810
189 56 263.616425 413 53 6 122 154 57.474846
325 396 113.304916 325 396 41 188 0 23.334967
31 510 77.070221 31 474 16 0 65 41.204967
370 450 137.019363 370 102 39 126 106 41.948460
306 510 124.880241 306 200 6 89 3 41.368443
243 178 117.972206 202 396 1 30 38 39.477562
107 489 85.446098 107 489 0 86 155 27.965599
202 122 179.576416 202 122 90 6 58 45.596432
413 122 156.350006 413 122 14 67 236 41.873314
494 294 252.199249 368 459 100 56 40 61.773361
75 435 242.651398 75 394 67 136 236 42.864998
81 384 139.276108 81 384 2 185 15 36.259575
133 96 169.992737 53 96 20 35 117 37.242477
181 407 104.697845 181 407 49 33 0 42.826145
335 96 211.893387 148 304 12 190 7 57.624748
133 384 269.619019 148 341 17 123 190 48.851448
148 341 198.406342 148 156 179 28 3 48.897285
133 373 160.840408 133 6 47 98 26 47.255619
133 96 194.663422 133 473 24 103 18 35.181946
148 304 269.410034 148 84 31 49 44 44.293282
133 140 178.602127 133 386 2 18 166 46.458385
148 341 267.881287 148 341 24 68 167 37.918552
133 96 298.917877 466 225 21 175 217 67.251053
466 373 190.647491 133 156 3 159 55 37.129463
413 269 183.363907 413 2 70 157 179 52.438866
53 407 265.491516 53 407 12 51 41 52.137581
53 107 329.426941 53 107 119 44 30 65.572563
53 107 187.529831 53 107 62 156 90 59.590279
53 44 105.151169 53 182 2 80 0 26.774677
53 83 385.143768 53 83 150 36 138 67.169411
109 32 188.113617 109 32 6 91 138 37.061695
327 209 232.550903 327 422 26 20 9 52.717365
474 415 177.038544 341 384 2 128 97 41.000015
413 370 133.549576 413 225 7 68 59 36.056927
202 147 230.723907 202 393 216 113 239 41.640762
432 378 136.219666 334 14 6 197 60 42.292229
17 112 194.121033 98 396 2 108 33 44.365376
261 235 202.410339 261 186 218 2 140 42.266262
359 187 201.225433 113 214 210 146 162 43.930191
111 288 226.858047 111 489 22 39 102 50.840778
314 423 290.093048 314 178 72 83 130 55.842354
329 229 315.397980 329 229 139 104 150 64.574310
427 423 603.357300 413 449 147 114 214 96.532448
413 68 256.145386 413 272 13 146 120 50.147644
58 229 304.310547 58 229 124 167 75 50.621483
201 57 93.034401 201 57 17 9 60 35.875923
340 57 334.789246 340 386 45 85 163 39.579079
314 386 267.537720 33 100 57 122 26 42.718647
335 415 327.822754 335 199 188 26 28 42.299301
329 229 534.291138 329 229 106 121 160 119.410362
68 423 393.283447 68 324 80 77 238 63.600616
329 37 547.594727 329 37 203 103 6 47.240463
148 423 373.683105 329 229 62 22 102 77.997551
335 110 714.789185 335 61 122 36 13 93.534973
413 343 548.034058 335 274 139 161 187 105.143097
202 510 171.725037 202 510 10 65 183 32.677959
335 510 308.390198 335 510 62 97 207 60.289001
62 463 394.989777 62 463 206 170 112 56.615082
59 55 265.130768 59 277 18 135 46 60.204945
141 260 163.428619 141 121 16 56 218 37.774696
114 505 112.692474 114 103 16 73 106 42.091656
31 55 135.118286 31 55 1 101 3 41.758308
202 151 151.023605 202 165 29 120 170 35.658493
122 476 275.936249 122 350 73 83 138 36.724121
122 200 330.693207 71 435 17 39 75 73.819077
250 301 376.121979 250 301 36 52 148 59.050793
250 83 476.728516 250 83 123 186 27 101.003113
480 324 404.993347 480 324 18 181 109 42.535606
282 151 198.290070 282 151 1 97 0 42.922276
367 199 253.536377 367 56 196 186 2 52.276615
189 168 238.248138 500 168 47 111 202 37.411728
185 459 210.781433 185 459 131 105 67 39.929676
383 510 340.450348 383 510 44 105 195 58.977131
196 349 310.271240 196 349 24 184 219 71.041565
239 423 283.667786 239 423 41 97 33 70.512558
442 373 262.208832 313 5 165 65 15 58.742386
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25 58 285.026184 25 76 55 28 65 46.025360
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182 473 195.612961 182 322 85 19 207 55.136578
503 130 129.460617 451 214 177 135 244 42.905884
325 463 185.090027 451 186 47 2 156 47.238289
182 277 113.563980 197 144 1 46 181 39.888599
371 301 107.264122 61 443 5 144 189 44.492435
136 457 214.645233 136 457 37 59 45 53.083302
292 85 186.613556 220 355 32 18 52 45.783859
278 305 94.226990 278 305 3 168 42 36.033970
128 186 365.303589 128 178 136 26 121 37.275131
128 264 307.056030 128 264 33 57 223 58.586548
128 54 445.872864 128 379 136 66 123 101.850296
500 55 92.193504 500 55 33 9 193 36.907444
197 6 114.841484 197 6 6 37 9 36.826595
197 241 286.162231 510 55 70 176 60 71.258270
311 82 123.804825 274 229 17 76 33 39.941692
157 438 246.842331 130 201 25 77 136 66.799889
173 438 267.040802 476 318 100 6 20 89.542931
157 438 235.978394 157 446 219 80 198 45.686020
130 201 326.612335 298 438 58 95 233 63.395443
130 201 332.098602 298 438 58 73 106 61.323986
98 368 190.545578 422 487 5 9 164 53.443497
1 276 71.496788 1 276 16 199 102 40.384224
202 224 72.120613 202 224 22 80 176 33.031097
500 243 97.925011 500 396 37 31 45 32.175804
279 298 252.703003 279 386 47 103 93 62.046902
84 318 192.677170 84 318 108 86 110 43.820744
84 178 111.476463 84 178 23 77 29 37.100552
237 167 197.336853 237 167 2 52 20 48.392750
171 491 119.698792 171 491 49 44 175 39.629692
197 149 135.481888 197 149 10 34 189 49.771797
17 510 270.835815 17 229 29 237 225 72.700523
325 452 104.685921 325 452 1 58 0 37.918144
181 452 150.123230 181 195 16 59 242 42.757824
467 510 270.913177 467 510 137 58 89 73.649704
278 84 125.491364 278 238 17 117 159 34.355080
278 194 179.108627 278 194 59 28 180 44.114697
98 403 177.328369 98 403 23 15 73 41.540424
24 167 114.877258 24 167 17 48 0 37.128677
58 432 235.945450 58 432 24 101 76 47.573830
413 285 235.548737 413 449 2 64 174 51.834591
337 301 267.106445 337 301 213 53 106 60.219315
181 275 210.027527 181 275 3 137 24 49.595627
455 304 227.313553 35 318 21 191 35 62.395283
258 339 168.837967 258 339 61 96 121 47.146626
417 235 155.043076 417 235 59 45 200 54.183502
182 186 185.989441 34 426 49 8 51 31.916677
380 490 176.778687 380 380 15 102 221 61.978725
116 466 284.536926 116 415 73 18 106 62.117664
116 252 527.047791 116 149 176 148 192 96.411972
352 104 423.580261 352 104 125 221 65 81.523163
17 246 201.766296 17 209 103 170 80 40.259724
239 220 156.237747 239 426 21 36 33 36.706348
183 54 482.269928 159 294 255 28 52 57.253925
426 510 200.894104 426 510 207 52 128 51.382942
278 482 106.624710 278 482 29 130 146 53.147854
278 186 138.486176 278 186 16 93 43 35.612274
182 146 205.778946 426 178 26 200 57 47.033573
98 341 47.664017 98 44 13 24 0 33.692657
116 483 292.170380 458 460 125 64 235 61.629974
116 483 433.825714 116 52 176 19 77 70.785355
116 483 434.883820 116 52 73 2 169 84.030334
116 464 237.826965 116 130 151 155 249 48.053772
100 318 70.929260 100 318 0 151 41 36.822994
6 85 260.408081 6 85 165 84 156 60.282345
100 187 203.968079 100 187 78 77 183 66.436752
237 507 201.486893 237 85 88 185 48 56.385132
351 235 279.043793 351 235 207 128 134 53.591526
458 252 305.923615 116 483 217 69 142 54.177254
116 483 269.275024 116 483 73 4 48 44.697224
34 341 180.054092 34 341 47 17 0 37.743149
451 112 287.964478 282 112 32 143 113 74.106689
239 301 103.108185 239 301 20 14 105 33.475262
426 206 363.343201 342 144 218 68 8 77.364647
480 116 205.718613 351 261 28 136 191 43.859833
316 504 266.708710 92 480 143 55 39 61.714291
92 379 240.662445 92 379 29 145 200 56.163765
116 52 338.679260 116 466 135 158 142 64.805786
116 294 376.951813 116 294 212 156 25 75.268204
311 346 184.268555 311 346 1 103 173 42.393711
302 39 130.105835 302 39 31 57 67 44.036514
295 55 161.984085 295 341 17 82 157 36.166924
306 167 238.954300 306 167 3 130 172 57.749004
197 463 226.442093 197 244 6 39 222 41.964920
197 170 190.853546 197 170 196 17 28 57.578754
111 380 182.465881 111 462 6 66 224 51.792667
404 10 75.002991 404 10 32 37 106 40.174133
426 82 196.377106 151 446 48 31 154 54.598576
451 167 132.702347 451 35 6 136 134 39.412369
45 447 67.404915 45 447 0 125 88 37.017025
241 184 166.026657 241 184 48 121 250 45.082191
306 35 94.795967 306 35 27 0 6 43.515770
111 56 251.812485 111 56 212 186 192 61.418972
111 107 101.017334 111 481 15 13 31 45.052895

David Rowe

2017-03-10 20:51:54 UTC

Hi Jeroen,

Wow that's great work - thank you so much. So wonderful for me to see
someone diving into the code and making things happen at this level.
Also the results are pretty good - that guy vk5dgr sounded the worst :-)

Here is the same source processed by Codec 2 1300:

http://rowetel.com/downloads/codec2/all.1300.wav

What does everyone else on the list think of the two modes compared to
each other? There is an obvious level difference - an artifact of the
post filtering. When listening, compare one sentence at a time, e.g.
the first 3 seconds of both, then the 2nd 3 seconds etc. Think about
which sample you prefer.

Couple of questions/comments:

1/ How did you train the VQ - using the Octave code?

2/ The squared error can be directly related to spectral distortion, if
the difference (in dB) between the original and quantised spectrum, so
the extra VQ stages have reduced the RMS distortion by sqrt(147/20) =
2.7 dB to sqrt(44/20) = 1.5dB.

3/ Given more bits are available, might be interesting to expand the
bandwidth the VQ works over. The 1300 samples do sound a bit more
"wideband" to me, compared to 1300C.

4/ The post filter may not be so important now, and could be "relaxed".

5/ Yes I'm sure the pitch estimator loses it occasionally. To test
objectively pitch contours could be compared with different filtering.

6/ I have some other training material you could try, to compare
results. But sounds like you are on the right track.

Well done!

Cheers,

David

Post by Jeroen Vreeken
Hi all,
I have been experimenting for a while to extend the 700C codec2 mode
into a 1300C mode. Mostly by just trying out different things like
adding more bits for pitch or energy and trying to create better codebooks.
It is a fun way to get to know the different parts of the source and get
an understanding of the codec.
I finally settled on a frame format that adds a 3th, 4th and 5th stage
to the vector quantization of 8bits each.
The first entry of the three codebooks contain all zeros, this is to
ensure that the additional stages will always have a result that is at
least as good as 700c. Also transcoding from 700c to 1300c is simply a
matter of zero padding.
For the training I used over an hour of material that could be heard
over a typical repeater. (It started with some recorded QSOs, but ended
up with mostly bulletin samples).
A patch for this new mode is attached to this mail. Personally I think
it might be a good candidate to use for the 2400A/B/T FreeDV mode.
At http://video.vreeken.net/~dml/patches/all.1300c.wav you can find an
example of the output.
One of the things that I noticed while testing was that the current
pitch estimation sometimes makes a mistake and ends up with twice the
real pitch. I also got the feeling (but no proof yet) it was worse with
samples with heavy filtering under 300Hz (e.g. to get rid of CTCSS tones).
So there might be some room for improvement there...
Regards,
JEroen
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Jean-Marc Valin

2017-03-11 03:52:21 UTC

Post by Jeroen Vreeken
One of the things that I noticed while testing was that the current
pitch estimation sometimes makes a mistake and ends up with twice the
real pitch. I also got the feeling (but no proof yet) it was worse with
samples with heavy filtering under 300Hz (e.g. to get rid of CTCSS tones).
So there might be some room for improvement there...

Pitch doubling/tripling is a common problem in pitch estimation. I spent
some time trying to avoid it as much as possible in the Opus (CELT)
pitch detector. You might want to have a look just in case (haven't
tested) it works better than the existing codec2 pitch detector. Some of
the things I have found that can help (and that the CELT code does):

1) Upsampling the pitch correlation (2x) to get fractional time
resolution. Even if that resolution isn't needed, it helps reduce pitch
doubling).

2) Looking at fractions of the pitch period to find peaks. e.g. if the
correlation at T/3 is almost as good as the one at T, then we pick T/3
instead.

The code is part of Opus, in celt/pitch.c (remove_doubling() function).

Cheers,

Jean-Marc

glen english

2017-03-12 01:15:15 UTC

I agree strongly with Jean-Marc here.

there are many signal processing examples where 2 x nyquist ("2x
oversampling") does a much better job . I do all my two way radio speech
processing at "2x", especially peak control, and speaker pitch
estimation (I try and tell the difference between a male and a female
speaker for multiband band-splitters for multiband AGC) .
*****
The 300Hz point is highly valid. Most CTCSS subtone filters would be
3dB down at 400Hz, 20dB at 300 , 30+ dB down at 250.
And of course those filters are cascaded in TX and RX.....

glen

Post by Jean-Marc Valin

Pitch doubling/tripling is a common problem in pitch estimation. I spent
some time trying to avoid it as much as possible in the Opus (CELT)
pitch detector. You might want to have a look just in case (haven't
tested) it works better than the existing codec2 pitch detector. Some of
1) Upsampling the pitch correlation (2x) to get fractional time
resolution. Even if that resolution isn't needed, it helps reduce pitch
doubling).
2) Looking at fractions of the pitch period to find peaks. e.g. if the
correlation at T/3 is almost as good as the one at T, then we pick T/3

Jeroen Vreeken

2017-03-12 15:46:38 UTC

Post by David Rowe
Hi Jeroen,
Wow that's great work - thank you so much. So wonderful for me to see
someone diving into the code and making things happen at this level.
Also the results are pretty good - that guy vk5dgr sounded the worst :-)
http://rowetel.com/downloads/codec2/all.1300.wav
What does everyone else on the list think of the two modes compared to
each other? There is an obvious level difference - an artifact of the
post filtering. When listening, compare one sentence at a time, e.g.
the first 3 seconds of both, then the 2nd 3 seconds etc. Think about
which sample you prefer.
1/ How did you train the VQ - using the Octave code?

No, it seems I am very good at completly messing up octave code...
I used a small C program load a set of vectors (e.g. error output of 2nd
stage) and it searches for vector that has the best results when applied
to all other vectors (measured in number of vectors that have a
significant improvement).
The best one is added to the codebook and all vectors that where
improved enough are removed from the set. Then the next vector is
searched by comparing it with the remaining set.
There are a few thresholds being taken into account to make sure the
improvement is big enough. (A very small vector would improve almost the
whole set, but would not add anything usefull)

It is not very quick, but seems to find a nice set of vectors in the end.

Post by David Rowe
2/ The squared error can be directly related to spectral distortion, if
the difference (in dB) between the original and quantised spectrum, so
the extra VQ stages have reduced the RMS distortion by sqrt(147/20) =
2.7 dB to sqrt(44/20) = 1.5dB.
3/ Given more bits are available, might be interesting to expand the
bandwidth the VQ works over. The 1300 samples do sound a bit more
"wideband" to me, compared to 1300C.

Do you mean the upper limit of 3700Hz? Or increasing the rate K from 20
to e.g. 40?
I tried increasing it to 39 (actually 40, but it was not really used)
such that the even factors would align with the 20 of the 700c mode (in
order to reuse the first two stages). But the results did not add as
much as I hoped...

Post by David Rowe
4/ The post filter may not be so important now, and could be "relaxed".

I'll try some different settings, I experimented a bith with it switched
of completly, but it didn't sound as good as switched on. But some
different settings (like 10db/dec or a lesser gain) might be worth trying.

Post by David Rowe
5/ Yes I'm sure the pitch estimator loses it occasionally. To test
objectively pitch contours could be compared with different filtering.
6/ I have some other training material you could try, to compare
results. But sounds like you are on the right track.

Sure, more material the better.. Do you have a download link or another
way to transfer it?

Regards,
Jeroen

David Rowe

2017-03-13 08:18:16 UTC

Re (1), OK cool - yes there are many ways to train VQs. Given some
training data (a 12000 x 20 matrix train_120), the steps I used in
Octave are:

octave:12> size(train_120)
ans =

12000 20

octave:13> melvq; vq = trainvq(train_120, 512, 2);
mse stage 1: 3.105040
mse stage 2: 2.149767

This cld be extended to say 4 stages of 9 bit/s stage (36 bits):

Re (3) yes perhaps try increasing the upper and lower frequency range.

Re (6): Sure will send to you off-list.

Cheers,

David

Post by Jeroen Vreeken

No, it seems I am very good at completly messing up octave code...
I used a small C program load a set of vectors (e.g. error output of 2nd
stage) and it searches for vector that has the best results when applied
to all other vectors (measured in number of vectors that have a
significant improvement).
The best one is added to the codebook and all vectors that where
improved enough are removed from the set. Then the next vector is
searched by comparing it with the remaining set.
There are a few thresholds being taken into account to make sure the
improvement is big enough. (A very small vector would improve almost the
whole set, but would not add anything usefull)
It is not very quick, but seems to find a nice set of vectors in the end.

Post by David Rowe
4/ The post filter may not be so important now, and could be "relaxed".

Sure, more material the better.. Do you have a download link or another
way to transfer it?
Regards,
Jeroen
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Jeroen Vreeken

2017-05-04 00:10:39 UTC

Hi all,

It has been a while, but I did make some steady progress.
(Trying different training strategies can take days at a time)
I made a new version of the patch with some changes:

- I cut out a lot of silence and noises from the training material (like
the breathing). There is no real point in reproducing such noises
perfectly. I also added David's samples and some other nice ones I found
that where different from all I already had. (Also some children voices)
- Instead of three times 256 values (resulting in 24 bits) I used two
tables of 1024 values. (20bits). 24 bits of course give a slightly
better result, but I think the bits are better used now. On average the
error is about 1.7dB lower than 700C.
- Wo and Energy each get an extra bit.
- The last two bits are used for voicing. One of the things I noticed
when listening to audible artifacts was that the combined Wo and voicing
was resulting in Wo being interpolated from the hardcoded non-voiced
default back to the voiced value. This sometimes results in an audible
pitch shift. Having a voice bits seperatly makes this a bit less likely.

Sample:
http://video.vreeken.net/~dml/patches/all.1300C_10b10b5e7wo2v.wav

73,
Jeroen PE1RXQ

David Rowe

2017-05-04 21:23:00 UTC

Hi Jeroen,

Hey well done that's sounding pretty good except for that last guy :-)
It would be good to break the samples out and compare with the existing
700C and 1300 modems.

Brady O'Brien has also been doing some work on improving 700C, one
innovations was extending the low freq response.

Cheers,

David

Post by Jeroen Vreeken
Hi all,
It has been a while, but I did make some steady progress.
(Trying different training strategies can take days at a time)
- I cut out a lot of silence and noises from the training material (like
the breathing). There is no real point in reproducing such noises
perfectly. I also added David's samples and some other nice ones I found
that where different from all I already had. (Also some children voices)
- Instead of three times 256 values (resulting in 24 bits) I used two
tables of 1024 values. (20bits). 24 bits of course give a slightly
better result, but I think the bits are better used now. On average the
error is about 1.7dB lower than 700C.
- Wo and Energy each get an extra bit.
- The last two bits are used for voicing. One of the things I noticed
when listening to audible artifacts was that the combined Wo and voicing
was resulting in Wo being interpolated from the hardcoded non-voiced
default back to the voiced value. This sometimes results in an audible
pitch shift. Having a voice bits seperatly makes this a bit less likely.
http://video.vreeken.net/~dml/patches/all.1300C_10b10b5e7wo2v.wav
73,
Jeroen PE1RXQ
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David Rowe

2017-05-06 00:54:59 UTC

Hi,

Has anyone tried the FreeDV GUI 1.2 software on Windows 10? I have one
report of it "not starting". Not sure if it's the 32 or 64 bit version.
I understand there is also some sort of new Windows security feature
that prevents application program files being installed in the "Program
Files" folder.

Richard and I run mainly Linux so it would be great to get some feedback
from Windows users.

Thanks,

David

Walter Holmes

2017-05-06 01:50:34 UTC

I have heard reports that SOME of the win10 users have had to install the
32bit version, and it worked fine. Even though they were using a 64bit
version of Windows.

It has been inconsistent though, as several others were working just fine
with the 64bit version.

I had meant to chase down the root of that, but got sidetracked and haven't
heard of anyone recently having the issue.

Walter/K5WH

-----Original Message-----
From: David Rowe [mailto:***@rowetel.com]
Sent: Friday, May 05, 2017 7:55 PM
To: freetel-***@lists.sourceforge.net; ***@googlegroups.com
Subject: [Freetel-codec2] FreeDV GUI 1.2 on Windows 10

Hi,

Has anyone tried the FreeDV GUI 1.2 software on Windows 10? I have one
report of it "not starting". Not sure if it's the 32 or 64 bit version.
I understand there is also some sort of new Windows security feature that
prevents application program files being installed in the "Program Files"
folder.

Richard and I run mainly Linux so it would be great to get some feedback
from Windows users.

Thanks,

David

Post by Jeroen Vreeken
Hi all,
It has been a while, but I did make some steady progress.
(Trying different training strategies can take days at a time) I made
- I cut out a lot of silence and noises from the training material
(like the breathing). There is no real point in reproducing such
noises perfectly. I also added David's samples and some other nice
ones I found that where different from all I already had. (Also some
children voices)
- Instead of three times 256 values (resulting in 24 bits) I used two
tables of 1024 values. (20bits). 24 bits of course give a slightly
better result, but I think the bits are better used now. On average
the error is about 1.7dB lower than 700C.
- Wo and Energy each get an extra bit.
- The last two bits are used for voicing. One of the things I noticed
when listening to audible artifacts was that the combined Wo and
voicing was resulting in Wo being interpolated from the hardcoded
non-voiced default back to the voiced value. This sometimes results in
an audible pitch shift. Having a voice bits seperatly makes this a bit

less likely.

Post by Jeroen Vreeken
http://video.vreeken.net/~dml/patches/all.1300C_10b10b5e7wo2v.wav
73,
Jeroen PE1RXQ
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Brian Richardson

2017-05-06 02:59:09 UTC

I had the same problem. The issue is that the default installation folder is in the \Program Files folder and I think the GUI must attempt to write into this folder and Win 10 will not allow that.

Reinstall it into the C:\ folder and it will work. Otherwise run it as Administrator which also works but you have to do that every time you run it. I do not recall the problem with the 32 bit v1.2 but it is there in the 64 bit version 1.2.

Regards, Brian Richardson

Post by David Rowe
Hi,
Has anyone tried the FreeDV GUI 1.2 software on Windows 10? I have one
report of it "not starting". Not sure if it's the 32 or 64 bit version.
I understand there is also some sort of new Windows security feature
that prevents application program files being installed in the "Program
Files" folder.
Richard and I run mainly Linux so it would be great to get some feedback
from Windows users.
Thanks,
David

Peter Reichelt

2017-05-06 04:48:05 UTC

David

On Windows 8.2 X64

I have set up a shortcut on the desktop to the 64 bit version.

Right click the Icon select "Options"

Click on "Advanced ....."

Tick "Run as administrator"

Press "OK"

Press "Apply"

Now double clicking the icon will bring up a "warning dialogue" about
allowing FreeDV to change items on the computer, and when this is
acknowledged FreeDV now starts. This saves having to remember to right
click and run as administrator each time you wish to start the program.

Don't know if windows 10 is the same.

This info should be on the FreeDV page to alert users that the 64 bit
must be run with administrator privileges when installed in the "Program
Files" directory.

Peter VK5APR

Brian Richardson

2017-05-06 04:53:19 UTC

The other option is to install in the root directory. C:\. Win 10 does not allow programs to write data into the Program Files directory.

Brian vk3ccr

Post by Peter Reichelt
David
On Windows 8.2 X64
I have set up a shortcut on the desktop to the 64 bit version.
Right click the Icon select "Options"
Click on "Advanced ....."
Tick "Run as administrator"
Press "OK"
Press "Apply"
Now double clicking the icon will bring up a "warning dialogue" about
allowing FreeDV to change items on the computer, and when this is
acknowledged FreeDV now starts. This saves having to remember to right
click and run as administrator each time you wish to start the program.
Don't know if windows 10 is the same.
This info should be on the FreeDV page to alert users that the 64 bit
must be run with administrator privileges when installed in the "Program
Files" directory.
Peter VK5APR
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David Rowe

2017-05-06 05:20:14 UTC

OK so maybe I need to make sure FreeDV isn't writing any data files, or
if it does write them, they should go to c:\ or some other temp
directory. I think I am just writing a log file as a debug feature
anyway, so it can be disabled.

I'll take a look at this over the next few days, then see if we can get
a new exe to try.

Thanks guys!

David

Post by Brian Richardson
I had the same problem. The issue is that the default installation folder is in the \Program Files folder and I think the GUI must attempt to write into this folder and Win 10 will not allow that.
Reinstall it into the C:\ folder and it will work. Otherwise run it as Administrator which also works but you have to do that every time you run it. I do not recall the problem with the 32 bit v1.2 but it is there in the 64 bit version 1.2.
Regards, Brian Richardson

Richard Shaw

2017-05-06 11:35:45 UTC

It also seem like maybe we should install to a different program files
directory on 64bit systems? If we can determine where that is, then I
should be able to adjust the settings for the NSIS installer.

Thanks,
Richard
KF5OIM

Matthew Pitts

2017-05-06 17:28:22 UTC

Richard and David,

Windows versions, if installed in C:\Program Files\ (or C:\Program
Files(x86) for 32 bit versions on 64 Bit OS)) should write any needed
data to the C:\Users\<uesrname>\AppData\Roaming\FreeDV\ folder. This has
actually been the preferred method since Windows XP, but has only been
enforced since Windows 8, from what I understand. Doing it this way
avoids the privilege escalation that occurs when running the software as
Administrator, which is just as dangerous (if not more so) than running
applications as root user on Linux.

Matthew Pitts

N8OHU

Post by David Rowe
OK so maybe I need to make sure FreeDV isn't writing any data files, or
if it does write them, they should go to c:\ or some other temp
directory. I think I am just writing a log file as a debug feature
anyway, so it can be disabled.
It also seem like maybe we should install to a different program files
directory on 64bit systems? If we can determine where that is, then I
should be able to adjust the settings for the NSIS installer.
Thanks,
Richard
KF5OIM
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David Rowe

2017-05-06 20:40:14 UTC

Thanks Mathew - I wonder if there is a Win32 system call to return that
path. As well as debug/log information there are also times when the
program records wave files, but the user gets a dialog box to choose
record file locations.

- David

Post by Matthew Pitts
Richard and David,
Windows versions, if installed in C:\Program Files\ (or C:\Program
Files(x86) for 32 bit versions on 64 Bit OS)) should write any needed
data to the C:\Users\<uesrname>\AppData\Roaming\FreeDV\ folder. This has
actually been the preferred method since Windows XP, but has only been
enforced since Windows 8, from what I understand. Doing it this way
avoids the privilege escalation that occurs when running the software as
Administrator, which is just as dangerous (if not more so) than running
applications as root user on Linux.
Matthew Pitts
N8OHU

Sebastien F4GRX

2017-05-08 11:21:54 UTC

Hello,

that should be GetUserProfileDirectory:

https://msdn.microsoft.com/en-us/library/windows/desktop/bb762280(v=vs.85).aspx

the hToken parameter probably can be provided by GetCurrentProcessToken:

https://msdn.microsoft.com/en-us/library/windows/desktop/mt643211(v=vs.85).aspx

Another solution based on SDD (stackoverflow driven development) is
SHGetFolderPath:

http://stackoverflow.com/questions/9542611/how-to-get-the-current-users-home-directory-in-windows

Sebastien

Post by David Rowe
Thanks Mathew - I wonder if there is a Win32 system call to return that
path. As well as debug/log information there are also times when the
program records wave files, but the user gets a dialog box to choose
record file locations.
- David

David Rowe

2017-05-08 21:26:37 UTC

Thanks Sebastien and everyone else for their comments and suggestions.
At this stage I've simply disabled writing to the log file. Richard is
building a new package for you all to try on Win 10/64 bit systems.

- David

Post by Sebastien F4GRX
Hello,
https://msdn.microsoft.com/en-us/library/windows/desktop/bb762280(v=vs.85).aspx
https://msdn.microsoft.com/en-us/library/windows/desktop/mt643211(v=vs.85).aspx
Another solution based on SDD (stackoverflow driven development) is
http://stackoverflow.com/questions/9542611/how-to-get-the-current-users-home-directory-in-windows
Sebastien

Alan Beard

2017-05-11 21:38:17 UTC

Hi guys,

I've just downloaded http://files.freedv.org/freedv/freedv-1.2.tar.xz

on my Fedora 23 Linux box where FreeDV used to work until ~6 months ago.
Hil VK2IUW and I had some QSOs over 10Km on 6m.

This is the only thing I did to get it compiling and thus working:

grep 3.0 CMakeLists.txt
Â Â Â set(WXCONFIG "/usr/bin/wx-config-3.0" CACHE FILEPATH "Location of wx-config binary.")
Â Â Â set(WXRC "/usr/bin/wxrc-3.0" CACHE FILEPATH "Location of wxrc binary.")
set(WX_VERSION_MIN 3.0.0)

My problem:
Transmit mic in. Nothing on the "Level" bar-graph or the oscilloscope screen.

"Pulseaudio" from desktop "Settings" shows my mic is working.

I can make an RDP session available for your testing though RDP on Linux
doesn't give mic and speaker.

80 'cause a 73 won't do nothing useful here.

Alan VK2ZIW

Post by David Rowe
Thanks Sebastien and everyone else for their comments and
suggestions. At this stage I've simply disabled writing to the log
file. Â Richard is building a new package for you Â all to try on Win
10/64 bit systems.
- David

Post by Sebastien F4GRX
Hello,

https://msdn.microsoft.com/en-us/library/windows/desktop/bb762280(v=vs.85).aspx
https://msdn.microsoft.com/en-us/library/windows/desktop/mt643211(v=vs.85).aspx

Post by Sebastien F4GRX
Another solution based on SDD (stackoverflow driven development) is

http://stackoverflow.com/questions/9542611/how-to-get-the-current-users-home-directory-in-windows

Post by Sebastien F4GRX
Sebastien

Post by David Rowe
Thanks Mathew - I wonder if there is a Win32 system call to return that
path. Â As well as debug/log information there are also times when the
program records wave files, but the user gets a dialog box to choose
record file locations.
- David

Â Â OK so maybe I need to make sure FreeDV isn't writing any data
Â Â files, or
Â Â if it does write them, they should go to c:\ or some other temp
Â Â directory. I think I am just writing a log file as a debug feature
Â Â anyway, so it can be disabled.
It also seem like maybe we should install to a different program files
directory on 64bit systems? If we can determine where that is, then I
should be able to adjust the settings for the NSIS installer.
Thanks,
Richard
KF5OIM

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Post by David Rowe
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Alan

Evil flourishes when good men do nothing.
Consider the Christmas child.
---------------------------------------------------------------------------
Alan Beard Â Â Â Â Â Â Â Unix Support Technician from 1984 to today
70 Wedmore Rd. Â Â Â Â Â Sun Solaris, AIX, HP/UX, Linux, SCO, MIPS
Emu Heights N.S.W. 2750 Â Routers, terminal servers, printers, terminals etc..
+61 2 47353013 (h) Â Â Â Support Programming, shell scripting, "C", assembler
0414 353013 (mobile) Â Â After uni, electronics tech

David Rowe

2017-05-11 22:12:06 UTC

Hi Alan,

Sounds like a portaudio/sound card issue.

Couple of ideas:

1/ Try using the readme.txt option to compile various libraries (in
particular PortAudio) from source.

2/ Do you get tx audio when you use an 8kHz 16 bit int wavefile for the
audio source using the Tools - Start/Stop Play file from Mic In

3/ Can you use the Fedora FreeDV packages (see freedv.org)?

Cheers,

David

Post by Alan Beard
Hi guys,
I've just downloaded *http://files.freedv.org/freedv/freedv-1.2.tar.xz*
on my Fedora 23 Linux box where FreeDV used to work until ~6 months ago.
Hil VK2IUW and I had some QSOs over 10Km on 6m.
grep 3.0 CMakeLists.txt
set(WXCONFIG "/usr/bin/wx-config-3.0" CACHE FILEPATH "Location of
wx-config binary.")
set(WXRC "/usr/bin/wxrc-3.0" CACHE FILEPATH "Location of wxrc binary.")
set(WX_VERSION_MIN 3.0.0)
Transmit mic in.* Nothing on the "Level" bar-graph or the oscilloscope
screen.
"Pulseaudio" from desktop "Settings" shows my mic is working.
I can make an RDP session available for your testing though RDP on Linux
doesn't give mic and speaker.
80 'cause a 73 won't do nothing useful here.
Alan VK2ZIW

Post by David Rowe
Thanks Sebastien and everyone else for their comments and
suggestions. At this stage I've simply disabled writing to the log
file. Richard is building a new package for you all to try on Win
10/64 bit systems.
- David

Post by Sebastien F4GRX
Hello,

https://msdn.microsoft.com/en-us/library/windows/desktop/bb762280(v=vs.85).aspx

Post by Sebastien F4GRX
the hToken parameter probably can be provided by

https://msdn.microsoft.com/en-us/library/windows/desktop/mt643211(v=vs.85).aspx

Post by Sebastien F4GRX
Another solution based on SDD (stackoverflow driven development) is

http://stackoverflow.com/questions/9542611/how-to-get-the-current-users-home-directory-in-windows

Post by Sebastien F4GRX
Sebastien

Post by David Rowe
Thanks Mathew - I wonder if there is a Win32 system call to return

that

Post by David Rowe
path. As well as debug/log information there are also times when the
program records wave files, but the user gets a dialog box to choose
record file locations.
- David

This has

Post by Matthew Pitts
actually been the preferred method since Windows XP, but has only

been

Post by Matthew Pitts
enforced since Windows 8, from what I understand. Doing it this way
avoids the privilege escalation that occurs when running the

software as

Post by Matthew Pitts
Administrator, which is just as dangerous (if not more so) than

running

Post by Matthew Pitts
applications as root user on Linux.
Matthew Pitts
N8OHU

feature

Post by David Rowe
anyway, so it can be disabled.
It also seem like maybe we should install to a different program

files

Post by David Rowe
directory on 64bit systems? If we can determine where that is,

then I

Post by David Rowe
should be able to adjust the settings for the NSIS installer.
Thanks,
Richard
KF5OIM

------------------------------------------------------------------------------

------------------------------------------------------------------------------

------------------------------------------------------------------------------

------------------------------------------------------------------------------

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------------------------------------------------------------------------------

Alan
Evil flourishes when good men do nothing.
Consider the Christmas child.
---------------------------------------------------------------------------
Alan Beard Unix Support Technician from 1984 to today
70 Wedmore Rd. Sun Solaris, AIX, HP/UX, Linux, SCO, MIPS
Emu Heights N.S.W. 2750 Routers, terminal servers, printers, terminals
etc..
+61 2 47353013 (h) Support Programming, shell scripting, "C",
assembler
0414 353013 (mobile) After uni, electronics tech
------------------------------------------------------------------------------
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engaging tech sites, Slashdot.org! http://sdm.link/slashdot
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Stuart Longland

2017-05-11 22:14:11 UTC

Post by Alan Beard
Transmit mic in.* Nothing on the "Level" bar-graph or the oscilloscope
screen.
"Pulseaudio" from desktop "Settings" shows my mic is working.
I can make an RDP session available for your testing though RDP on Linux
doesn't give mic and speaker.

--
Stuart Longland (aka Redhatter, VK4MSL)

I haven't lost my mind...
...it's backed up on a tape somewhere.

Alan Beard

2017-05-13 04:40:55 UTC

Hi Stuart and all,

Transmit "Mic in" from "pulse" works. I'm txing again.

Now for some On-air.

Yes, this is a compile of 1.2 on Fedora 23 x86_64 from source.

Thanks

Alan VK2ZIW

Post by Stuart Longland

Very stupid question on my part… is FreeDV set to use PulseAudio
for that part?
If PulseAudio is hogging the sound device and FreeDV is set to use
the sound device directly, it won't get a look in.
I find the sound interface plugged into the transceiver *should NOT*
be accessed via PulseAudio, which means going into the sound
settings applet (e.g. `padevchooser`) and making sure that sound
device is de-selected.
The sound interface representing your "human" interface (e.g.
headset or speaker/mic) *should* go through PulseAudio.
As for RDP; it might be possible to expose a SPICE session instead,
which does carry sound. RDP won't because a Linux RDP server is
basically an X server, and X does not have sound.
--
Stuart Longland (aka Redhatter, VK4MSL)
I haven't lost my mind...
...it's backed up on a tape somewhere.
------------------------------------------------------------------------------
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David Rowe

2017-05-18 00:31:32 UTC

Some initial results for the latest and greatest:

http://www.rowetel.com/?p=5573

- David

Alan Beard

2017-05-19 03:29:02 UTC

Hi David,

Can you tell us when 700D is available to test in FreeDV?
(the GIT branch)

And, can we coordinate skeds via VKLOGGER.com ?

Alan VK2ZIW

Post by David Rowe
http://www.rowetel.com/?p=5573
- David
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David Rowe

2017-05-19 05:00:58 UTC

Hi Alan,

Pls feel free to set up/coordinate skeds, more FreeDV activity is a good
thing.

One 700D reaches prime time, for sure - there will be an announcement.

Cheers,

David

Post by Alan Beard
Hi David,
Can you tell us when 700D is available to test in FreeDV?
(the GIT branch)
And, can we coordinate skeds via VKLOGGER.com ?
Alan VK2ZIW

Alan
Evil flourishes when good men do nothing.
Consider the Christmas child.
---------------------------------------------------------------------------
Alan Beard Unix Support Technician from 1984 to today
70 Wedmore Rd. Sun Solaris, AIX, HP/UX, Linux, SCO, MIPS
Emu Heights N.S.W. 2750 Routers, terminal servers, printers, terminals etc..
+61 2 47353013 (h) Support Programming, shell scripting, "C", assembler
0414 353013 (mobile) After uni, electronics tech
------------------------------------------------------------------------------
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engaging tech sites, Slashdot.org! http://sdm.link/slashdot
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Richard Shaw

2017-05-12 00:30:22 UTC

Fedora 23 has not been supported for some time. I would recommend you
upgrade to Fedora 25 at least where it's in the repos. If you're not ready
for that yet, at least pull the codec2 and FreeDV source RPMS from Fedora
25 and rebuild them for Fedora 23.

Thanks,
Richard

David Rowe

2017-05-11 22:04:39 UTC

Hi Jeroen and list,

I have broken up Jeroen's sample below into separate sample files, and
for comparison added the same samples processed by Codec 2 700C and 1300:

http://rowetel.com/downloads/codec2/jeroen_rfc_1300c.tar.gz

This way each sample can be compared to 700C and 1300. BTW the script
to separate all.wav into separate files is:

codec2-dev/scripts/separate_all.sh.

When I compare codecs, I take one (say 3 second) sample and listen to it
processed by different codecs. I have attached a screen shot of how I
organise my file manager for these samples.

What do you all think of Jeroen's 1300 candidate compared to 700C and
1300. Is it superior to the current 1300, or are they roughly the same?
Which samples work well, which ones are problematic?

In this way we look at Jeroens fine work, find out which techniques
work, and where some more work is required.

Crowd-sourced codec evaluation......

Thanks,

David

Peter Reichelt

2017-05-06 02:02:02 UTC

Hi David

I just downloaded 64 bit program from FreeDV.org onto a windows 8.1
machine and FreeDV 1.2 will not start. FreeDV 1.1(32 bit) works.

FreeDV 1.2 (32 bit) is OK.

This is the error message displayed

Problem signature:
Problem Event Name: APPCRASH
Application Name: freedv.exe
Application Version: 0.0.0.0
Application Timestamp: 00000000
Fault Module Name: ntdll.dll
Fault Module Version: 6.3.9600.18438
Fault Module Timestamp: 57ae642e
Exception Code: c0000005
Exception Offset: 000000000003b6a9
OS Version: 6.3.9600.2.0.0.768.101
Locale ID: 3081
Additional Information 1: 2101
Additional Information 2: 2101a04c25076826ce88a8c57a299ae3
Additional Information 3: e88e
Additional Information 4: e88eaca8dbf1b630f3a9f1af99de65ba

Read our privacy statement online:
http://go.microsoft.com/fwlink/?linkid=280262

If the online privacy statement is not available, please read our
privacy statement offline:
C:\Windows\system32\en-US\erofflps.txt

Regards

Peter V5APR

------ Original Message ------
From: "David Rowe" <***@rowetel.com>
To: freetel-***@lists.sourceforge.net; ***@googlegroups.com
Sent: Saturday, 6 May, 2017 At 10:24 AM
Subject: [Freetel-codec2] FreeDV GUI 1.2 on Windows 10

Hi,

Has anyone tried the FreeDV GUI 1.2 software on Windows 10? I have one
report of it "not starting". Not sure if it's the 32 or 64 bit version.
I understand there is also some sort of new Windows security feature
that prevents application program files being installed in the "Program
Files" folder.

Richard and I run mainly Linux so it would be great to get some feedback
from Windows users.

Thanks,

David

Post by Jeroen Vreeken
Hi all,
It has been a while, but I did make some steady progress.
(Trying different training strategies can take days at a time)
- I cut out a lot of silence and noises from the training material
(like
the breathing). There is no real point in reproducing such noises
perfectly. I also added David's samples and some other nice ones I
found
that where different from all I already had. (Also some children
voices)
- Instead of three times 256 values (resulting in 24 bits) I used two
tables of 1024 values. (20bits). 24 bits of course give a slightly
better result, but I think the bits are better used now. On average
the
error is about 1.7dB lower than 700C.
- Wo and Energy each get an extra bit.
- The last two bits are used for voicing. One of the things I noticed
when listening to audible artifacts was that the combined Wo and
voicing
was resulting in Wo being interpolated from the hardcoded non-voiced
default back to the voiced value. This sometimes results in an audible
pitch shift. Having a voice bits seperatly makes this a bit less
likely.
http://video.vreeken.net/~dml/patches/all.1300C_10b10b5e7wo2v.wav
73,
Jeroen PE1RXQ
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Brady O'Brien

2017-05-06 02:08:59 UTC

Stackoverflow says "Exception Code: c000005" is basically a segfault

http://stackoverflow.com/questions/17168982/exception-error-c0000005-in-vc

Post by Peter Reichelt
Hi David
I just downloaded 64 bit program from FreeDV.org onto a windows 8.1
machine and FreeDV 1.2 will not start. FreeDV 1.1(32 bit) works.
FreeDV 1.2 (32 bit) is OK.
This is the error message displayed
Problem Event Name: APPCRASH
Application Name: freedv.exe
Application Version: 0.0.0.0
Application Timestamp: 00000000
Fault Module Name: ntdll.dll
Fault Module Version: 6.3.9600.18438
Fault Module Timestamp: 57ae642e
Exception Code: c0000005
Exception Offset: 000000000003b6a9
OS Version: 6.3.9600.2.0.0.768.101
Locale ID: 3081
Additional Information 1: 2101
Additional Information 2: 2101a04c25076826ce88a8c57a299ae3
Additional Information 3: e88e
Additional Information 4: e88eaca8dbf1b630f3a9f1af99de65ba
http://go.microsoft.com/fwlink/?linkid=280262
If the online privacy statement is not available, please read our
C:\Windows\system32\en-US\erofflps.txt
Regards
Peter V5APR
------ Original Message ------
Sent: Saturday, 6 May, 2017 At 10:24 AM
Subject: [Freetel-codec2] FreeDV GUI 1.2 on Windows 10
Hi,
Has anyone tried the FreeDV GUI 1.2 software on Windows 10? I have one
report of it "not starting". Not sure if it's the 32 or 64 bit version.
I understand there is also some sort of new Windows security feature
that prevents application program files being installed in the "Program
Files" folder.
Richard and I run mainly Linux so it would be great to get some feedback
from Windows users.
Thanks,
David

Post by Jeroen Vreeken
Hi all,
It has been a while, but I did make some steady progress.
(Trying different training strategies can take days at a time)
- I cut out a lot of silence and noises from the training material
(like
the breathing). There is no real point in reproducing such noises
perfectly. I also added David's samples and some other nice ones I
found
that where different from all I already had. (Also some children
voices)
- Instead of three times 256 values (resulting in 24 bits) I used two
tables of 1024 values. (20bits). 24 bits of course give a slightly
better result, but I think the bits are better used now. On average
the
error is about 1.7dB lower than 700C.
- Wo and Energy each get an extra bit.
- The last two bits are used for voicing. One of the things I noticed
when listening to audible artifacts was that the combined Wo and
voicing
was resulting in Wo being interpolated from the hardcoded non-voiced
default back to the voiced value. This sometimes results in an audible
pitch shift. Having a voice bits seperatly makes this a bit less
likely.
http://video.vreeken.net/~dml/patches/all.1300C_10b10b5e7wo2v.wav
73,
Jeroen PE1RXQ
------------------------------------------------------------

------------------

Post by Jeroen Vreeken
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engaging tech sites, Slashdot.org! http://sdm.link/slashdot
_______________________________________________
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------------------------------------------------------------
------------------
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engaging tech sites, Slashdot.org! http://sdm.link/slashdot
_______________________________________________
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------------------------------------------------------------
------------------
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Peter Reichelt

2017-05-06 04:05:08 UTC

All

The 64 bit version started normaly when right clicking the icon and "run
as administrator" is clicked

Peter VK5APR

------ Original Message ------
From: "Brady O'Brien" <***@gmail.com>
To: freetel-***@lists.sourceforge.net
Sent: Saturday, 6 May, 2017 At 11:38 AM
Subject: Re: [Freetel-codec2] FreeDV GUI 1.2 on Windows 10

Stackoverflow says "Exception Code: c000005" is basically a segfault
http://stackoverflow.com/questions/17168982/exception-error-c0000005-in-vc
<http://stackoverflow.com/questions/17168982/exception-error-c0000005-in-vc>

On Fri, May 5, 2017 at 9:02 PM, Peter Reichelt
<***@bigpond.com <mailto:***@bigpond.com> > wrote:
Hi David

I just downloaded 64 bit program from FreeDV.org onto a windows 8.1
machine and FreeDV 1.2 will not start. FreeDV 1.1(32 bit)Â works.

FreeDV 1.2 (32 bit) is OK.

This is the error message displayed

Problem signature:
Â Â Problem Event Name: APPCRASH
Â Â Application Name: freedv.exe
Â Â Application Version: 0.0.0.0
Â Â Application Timestamp: 00000000
Â Â Fault Module Name: ntdll.dll
Â Â Fault Module Version: 6.3.9600.18438
Â Â Fault Module Timestamp: 57ae642e
Â Â Exception Code: c0000005
Â Â Exception Offset: 000000000003b6a9
Â Â OS Version: 6.3.9600.2.0.0.768.101
Â Â Locale ID: 3081
Â Â Additional Information 1: 2101
Â Â Additional Information 2: 2101a04c25076826ce88a8c57a299ae3
Â Â Additional Information 3: e88e
Â Â Additional Information 4: e88eaca8dbf1b630f3a9f1af99de65ba

Read our privacy statement online:
Â Â http://go.microsoft.com/fwlink/?linkid=280262
<http://go.microsoft.com/fwlink/?linkid=280262>

If the online privacy statement is not available, please read our
privacy statement offline:
Â Â C:\Windows\system32\en-US\erofflps.txt

Regards

Peter V5APR

------ Original Message ------
From: "David Rowe" <***@rowetel.com <mailto:***@rowetel.com> >
To: freetel-***@lists.sourceforge.net
<mailto:freetel-***@lists.sourceforge.net> ;
***@googlegroups.com <mailto:***@googlegroups.com>
Sent: Saturday, 6 May, 2017 At 10:24 AM
Subject: [Freetel-codec2] FreeDV GUI 1.2 on Windows 10

Hi,

Has anyone tried the FreeDV GUI 1.2 software on Windows 10?Â I have
one
report of it "not starting".Â Not sure if it's the 32 or 64 bit
version.
I understand there is also some sort of new Windows security feature
that prevents application program files being installed in the
"Program
Files" folder.

Richard and I run mainly Linux so it would be great to get some
feedback
from Windows users.

Thanks,

David

noticed

Post by Jeroen Vreeken
when listening to audible artifacts was that the combined Wo and
voicing
was resulting in Wo being interpolated from the hardcoded non-voiced
default back to the voiced value. This sometimes results in an

audible

Post by Jeroen Vreeken
pitch shift. Having a voice bits seperatly makes this a bit less
likely.
http://video.vreeken.net/~dml/patches/all.1300C_10b10b5e7wo2v.wav

<http://video.vreeken.net/~dml/patches/all.1300C_10b10b5e7wo2v.wav>

Post by Jeroen Vreeken
73,
Jeroen PE1RXQ

------------------------------------------------------------------------------

Post by Jeroen Vreeken
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Post by Jeroen Vreeken
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Jeroen Vreeken

2017-05-11 22:27:48 UTC

Post by David Rowe
When I compare codecs, I take one (say 3 second) sample and listen to
it processed by different codecs. I have attached a screen shot of
how I organise my file manager for these samples.

David Rowe

2017-05-12 00:28:47 UTC

FB Jeroen - that's a great way to dig into the differences between
samples when working on the algorithms. Some examples of the Audacity
spectrogram view towards the bottom of this post:

http://www.rowetel.com/?p=4454

Hmm, maybe worth writing a blog post on 'Codec 2 hacking', i.e. a worked
example of codec development.

- David

Post by Jeroen Vreeken

I use a similar approach: I often load two or three files in audacity
and select a few seconds at a time (sometimes just a single word) and
play the different tracks one by one using 'mute' and 'solo'.
When you select a spectrum view some artifacts even become visible (like
a Wo miss)
Regards,
Jeroen
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Ross Whenmouth

2017-05-12 10:10:20 UTC