TTA (codec)

True Audio (TTA) is a lossless compressor for multichannel 8, 16 and 24 bits audio data. .tta is the extension to filenames of audio files created by the True Audio codec.

For the unrelated ASIC called TrueAudio, see AMD TrueAudio.
True Audio
Developer(s)Aleksander Djourik
Stable release
2.3 (x32/x64 encoder-decoder) / February 24, 2015 (2015-02-24)
Operating systemCross-platform
TypeAudio codec, encoder
LicenseGPL
Websitewww.true-audio.com
True Audio Codec
Filename extension
.tta
Internet media type
audio/x-tta[1]
Type of formatLossless audio
StandardSpecification
Open format?Yes
Free format?Yes

Codec overview

True Audio compresses up to 30% of the original, broadly similar to FLAC and APE. It features a real-time encoding and decoding algorithm and hardware compression support. As with most other lossless codecs, plugins are available for most media players.

TTA performs lossless compression on multichannel 8, 16 and 24 bit data of uncompressed wav input files. The term "lossless" refers to the fact that such compression results in no data or quality loss; when decompressed, the audio file data are bit-identical to those of their originals. Compression ratios achieved by the TTA codec vary, depending on music type, but range from 30% to 70% of the original. The TTA lossless compressed audio format supports both ID3v1/ID3v2 information tags and APEv2.

The TTA lossless audio codec allows for the storage of up to 20 audio CDs worth of music on a single DVD-R, retaining the original CD quality audio, plus detailed information in the ID3 tag format.

All TTA source code and binaries are freely available and distributed under GPL Open Source licenses.

Software support

Listed below is software that has TTA format support:

NameDescriptionPlatform
cmusconsole based audio player, through FFmpegLinux
Audaciousaudio player, native supportCross-platform
Gstreamer-based playersfor example, Rhythmbox, ClementineCross-platform
VLC Media Playermedia player, native supportCross-platform
XMMS2audio player, native supportCross-platform
AIMPaudio player, native supportWindows
DirectShow-based playersfor example, Windows Media PlayerWindows
foobar2000audio player, supported through plug-inWindows
jetAudiomultimedia player, native supportWindows
MediaMonkeyaudio player, supported through plug-inWindows
K-Multimedia Playermultimedia player, native supportWindows
Winampaudio player, supported through plug-inWindows
MusicBeeaudio player, native supportWindows
XMPlayaudio player, supported through plug-inWindows

Hardware support

Audio players that run Rockbox support TTA.[2]

See also

References
  1. Registration being sought as audio/tta
  2. "TTA support added to Rockbox". true-audio.com. Archived from the original on 2010-07-04. Retrieved 2010-11-13.
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