Commits · proof-of-concept · Stefan Westerfeld / audiowmark · GitLab

30 Nov, 2018 2 commits
- Change default for pre_scale to match current watermark delta. · a34a277f
  Stefan Westerfeld authored Nov 30, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  a34a277f
- Warn if adding watermark produces clipping. · 8710667a
  Stefan Westerfeld authored Nov 30, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  8710667a
29 Nov, 2018 2 commits
- Add ogg and double-mp3 tests. · 21f66422
  Stefan Westerfeld authored Nov 29, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  21f66422
- Support changing watermarking parameters using command line args. · da3e6d45
  Stefan Westerfeld authored Nov 29, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  da3e6d45
28 Nov, 2018 19 commits
- Add script for generating peaq scores (GstPEAQ). · 0c798b17
  Stefan Westerfeld authored Nov 28, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  0c798b17
- Add "scale" command as helper for peaq evaluation. · 42e2d0ce
  Stefan Westerfeld authored Nov 28, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  42e2d0ce
- Remove extra filename for blind get|cmp. · 3c72f1eb
  Stefan Westerfeld authored Nov 28, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  3c72f1eb
- bit vector -> string: convert only complete 4-bit groups. · 51a69598
  Stefan Westerfeld authored Nov 28, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  51a69598
- Implemented non-blind decoder. · 9516c0d6
  Stefan Westerfeld authored Nov 28, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  9516c0d6
- Add more digits to bit error rate output. · db63439d
  Stefan Westerfeld authored Nov 28, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  db63439d
- ber-test.sh: fix quotes for filenames with spaces. · 7eca3f41
  Stefan Westerfeld authored Nov 28, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  7eca3f41
- Remove debugging output (performance). · 1d989a30
  Stefan Westerfeld authored Nov 28, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  1d989a30
- Use pow (mag, (1 +/- delta)) to increase/decrease band magnitude. · bcb87a8a
  Stefan Westerfeld authored Nov 28, 2018
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This improves the bit error rate for comparable watermark strength.
Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  bcb87a8a
- Fix snr averaging. · a4c19c9a
  Stefan Westerfeld authored Nov 28, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  a4c19c9a
- Add signal-to-noise ratio script. · c392412b
  Stefan Westerfeld authored Nov 28, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  c392412b
- Add fft.cc · d0882eb8
  Stefan Westerfeld authored Nov 28, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  d0882eb8
- Add fft header. · f5a83801
  Stefan Westerfeld authored Nov 28, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  f5a83801
- Fix make distcheck. · 13455e21
  Stefan Westerfeld authored Nov 28, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  13455e21
- Move FFT stuff to extra source file. · 5a6230f7
  Stefan Westerfeld authored Nov 28, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  5a6230f7
- More FFT refactoring. · c2d3e569
  Stefan Westerfeld authored Nov 28, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  c2d3e569
- Started to refactor FFT API. · 9d0fa112
  Stefan Westerfeld authored Nov 28, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  9d0fa112
- Test script: create test dir, too. · 76ed664e
  Stefan Westerfeld authored Nov 28, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  76ed664e
- Rename test generation script. · 46f7be6c
  Stefan Westerfeld authored Nov 28, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  46f7be6c
27 Nov, 2018 2 commits
- Add snr computation. Fix last frame output (keep frame if < frame_size). · 8242c308
  Stefan Westerfeld authored Nov 27, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  8242c308
- Use log() for decoding for better robustness. · cfd11a44
  Stefan Westerfeld authored Nov 27, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  cfd11a44
26 Nov, 2018 10 commits
- Support redundant storage using multiple frames per bit. · daf2d5ee
  Stefan Westerfeld authored Nov 26, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  daf2d5ee
- Use both channels for decoding bits (average up/down values). · 4daad3c3
  Stefan Westerfeld authored Nov 26, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  4daad3c3
- Mp3 bitrate to error rate test. · 769368ba
  Stefan Westerfeld authored Nov 26, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  769368ba
- Move watermark gain constant to Params. · ed2b8803
  Stefan Westerfeld authored Nov 26, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  ed2b8803
- Support mp3 encoding step in bit rate test. · a25256ae
  Stefan Westerfeld authored Nov 26, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  a25256ae
- Fix compiler warnings. · 9deba8d5
  Stefan Westerfeld authored Nov 26, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  9deba8d5
- Add script for computing average bit error rate on test music. · 84f231ce
  Stefan Westerfeld authored Nov 26, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  84f231ce
- Add script to generate a set of test songs for evaluation. · 2a138a00
  Stefan Westerfeld authored Nov 26, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  2a138a00
- BUILD: use -Wall · 9b87c34a
  Stefan Westerfeld authored Nov 26, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  9b87c34a
- Add audiowmark cmp: report bit error rate. · ddf496fa
  Stefan Westerfeld authored Nov 26, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  ddf496fa
25 Nov, 2018 5 commits
- Implement basic decoding. · 1e8f8ddc
  Stefan Westerfeld authored Nov 25, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  1e8f8ddc
- Small quality improvements: · 69703f4c
  Stefan Westerfeld authored Nov 25, 2018
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- use better synthesis window to avoid clicks at frame boundaries
- scale output signal to avoid clipping
Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  69703f4c
- Implement watermark generation algorithm. · 9e69b627
  Stefan Westerfeld authored Nov 25, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  9e69b627
- Allow creating altered wav data. · c3ed7e8e
  Stefan Westerfeld authored Nov 25, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  c3ed7e8e
- Implement basic per-frame FFT. · 29db2ef2
  Stefan Westerfeld authored Nov 25, 2018
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Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>
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  29db2ef2