Speex

Speex

The Speex homepage has all the project info.

Tasks

• Speech/signal processing
  • Write a better perceptual enhancer
  • Improve packet-loss concealment (PLC)
  • Re-write the built-in voice activity detector (VAD)
  • Improve the 2.15 kbps vocoder mode (there are even 4 unused bits left to use!)

• Complete fixed-point
  • Wideband
  • VBR
  • Rest of the narrowband modes
  • More...

• Tune
  • Noise weighting filter
  • Perceptual enhancement

• Features
  • Implement maximum VBR bit-rate
  • Implement peeling (write functions to strip some of the bits)

• Documentation
  • Use questions from the mailing list to create a better FAQ on the wiki
  • Update the Speex manual based on recent papers
  • Improve libspeex documentation
  • Write good example code

External links

• Wikipedia: Speex