Jean-Marc Valin
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b35536a3b0
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Enabled pure CBR, though there's still some decoder issues.
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2008-01-17 16:57:18 +11:00 |
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Jean-Marc Valin
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4fbd18d1f4
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Close to getting CBR working
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2008-01-17 14:07:55 +11:00 |
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Jean-Marc Valin
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33ddd7974d
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early code for bit-rate management
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2008-01-14 17:39:01 +11:00 |
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Jean-Marc Valin
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ec71aee772
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A bit of tuning and early work on bit allocation
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2008-01-12 23:38:01 +11:00 |
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Jean-Marc Valin
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45018cbfa2
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Doing stereo mixing adaptively based on amplitude difference.
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2008-01-11 14:02:07 +11:00 |
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Jean-Marc Valin
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fdca84b42f
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Some stereo work (breaks the decoder for now)
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2008-01-09 10:44:18 +11:00 |
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Jean-Marc Valin
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2875f6bf8d
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Now using 8 bands for the pitch gain, with a 128-entry codebook.
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2008-01-05 13:32:32 +11:00 |
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Jean-Marc Valin
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26c9e1452a
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Comments/cleanup, no code change
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2007-12-31 21:27:54 +11:00 |
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Jean-Marc Valin
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0d227d86e5
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Got the intra-band prediction/copy to work correctly with
pulse spreading (and to work at all).
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2007-12-31 16:12:12 +11:00 |
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Jean-Marc Valin
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97252d0365
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Spreading function inside quant_bands()
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2007-12-30 20:39:14 +11:00 |
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Jean-Marc Valin
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e84962bcd9
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Doing multiple rotation passes instead of one produces better pulse spreading.
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2007-12-30 00:17:44 +11:00 |
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Jean-Marc Valin
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571e861dc3
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more exp_rotation() cleanup
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2007-12-30 00:06:10 +11:00 |
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Jean-Marc Valin
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559e8ff602
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simplified exp_rotation()
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2007-12-30 00:02:00 +11:00 |
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Jean-Marc Valin
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46014ca49a
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Propagating perceptual weighting around (not used yet).
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2007-12-14 13:47:04 +11:00 |
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Jean-Marc Valin
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4a897680e3
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Working on some stability issues (appears to be solved by making the pitch
projection less aggressive). Also, fixed a 64-bit overflow in the stereo mode
and added a "band rotation" function.
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2007-12-12 00:45:15 +11:00 |
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Jean-Marc Valin
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ffa13474ef
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Adding stereo support. Doesn't work yet, but at least it doesn't break
mono
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2007-12-10 16:54:17 +11:00 |
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Jean-Marc Valin
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11f01729e6
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Some cleaning up, a few less warnings and the decoder no longer does an
infinitete loop in Laplace decoding when the data is corrupted.
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2007-12-09 01:19:36 +11:00 |
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Jean-Marc Valin
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6baa8e18d9
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A bit of quality tuning, plus created a higher quality mode
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2007-12-08 00:08:37 +11:00 |
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Jean-Marc Valin
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0aa3903a4a
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Cheating decoder now produces the same result as the encoder
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2007-12-07 15:09:58 +11:00 |
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Jean-Marc Valin
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6e9058adb9
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Nearly working cheating decoder.
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2007-12-07 14:59:06 +11:00 |
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Jean-Marc Valin
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70c8ffdd55
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More decoding work
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2007-12-07 14:20:01 +11:00 |
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Jean-Marc Valin
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fc08d0a6d6
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Algebraic codebook decoding (not tested yet)
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2007-12-07 13:26:15 +11:00 |
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Jean-Marc Valin
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9cace64e5f
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Fixed codebook entirely quantised
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2007-12-06 17:44:09 +11:00 |
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Jean-Marc Valin
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29ccab8aac
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Some work on index packing
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2007-12-06 15:39:38 +11:00 |
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Jean-Marc Valin
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aeb4467d7f
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improved energy quantisation/prediction
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2007-12-06 13:50:14 +11:00 |
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Jean-Marc Valin
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96870d9334
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conversion to modes complete
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2007-12-05 21:14:22 +11:00 |
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Jean-Marc Valin
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3337e5d3e5
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More modes work
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2007-12-05 21:00:03 +11:00 |
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Jean-Marc Valin
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73e51b3e94
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Converting the code to use the modes instead of global arrays.
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2007-12-05 17:48:24 +11:00 |
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Jean-Marc Valin
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25298f296a
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Allowing to add pulses on top of intra-band prediction
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2007-12-03 15:24:11 +11:00 |
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Jean-Marc Valin
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4841a0a02b
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Intra-frame prediction
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2007-12-03 13:54:30 +11:00 |
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Jean-Marc Valin
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7f4701383b
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Nothing to see here.
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2007-12-02 20:55:22 +11:00 |
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Jean-Marc Valin
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f3efa3e132
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Some improvements to the pitch period estimation
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2007-12-01 01:55:17 +11:00 |
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Jean-Marc Valin
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3c453121d2
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Vector quantisation of the residual (copied from Ghost/ceft)
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2007-11-30 17:41:09 +11:00 |
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Jean-Marc Valin
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dff7d36a88
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Some pitch prediction work.
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2007-11-30 16:57:43 +11:00 |
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Jean-Marc Valin
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991c0f0254
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Code for computing band energies and normalising: adapted from CEFT.
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2007-11-30 16:07:46 +11:00 |
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