TTA (codec)

The True Audio ( TTA ) is a free codec for lossless audio data compression by a Russian programmer group. It is based on adaptive prediction filters.


The official encoder accepts uncompressed linear PCM material from WAV audio files with sample depths of 8, 16, 24 -bit integers as well as 32 ​​-bit floating-point data.

The format offers

  • Real-time processing,
  • Metadata by ID3v1 and ID3v2,
  • Fault tolerance,
  • Is compatible with the standard replay and gain
  • Suitable for the Matroska container

It does not support streaming and no RIFF chunks.