TTA (codec)
Encyclopedia
True Audio is a free software
, real-time lossless audio codec
, based on adaptive prognostic filters.
Also, .tta is the generic extension
to filename
s of audio files created by True Audio codec.
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 literally 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% - 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 popular ID3
tag format.
All TTA source code and binaries are freely available and distributed under GPL Open Source licenses.
Free software
Free software, software libre or libre software is software that can be used, studied, and modified without restriction, and which can be copied and redistributed in modified or unmodified form either without restriction, or with restrictions that only ensure that further recipients can also do...
, real-time lossless audio codec
Audio codec
All codecs are devices or computer programs capable of coding or decoding a digital data stream or signal.The term audio codec has two meanings depending on the context:...
, based on adaptive prognostic filters.
Also, .tta is the generic extension
Filename extension
A filename extension is a suffix to the name of a computer file applied to indicate the encoding of its contents or usage....
to filename
Filename
The filename is metadata about a file; a string used to uniquely identify a file stored on the file system. Different file systems impose different restrictions on length and allowed characters on filenames.A filename includes one or more of these components:...
s of audio files created by True Audio codec.
Codec overview
|
DirectShow DirectShow , codename Quartz, is a multimedia framework and API produced by Microsoft for software developers to perform various operations with media files or streams. It is the replacement for Microsoft's earlier Video for Windows technology... filters Microsoft Windows Microsoft Windows is a series of operating systems produced by Microsoft.Microsoft introduced an operating environment named Windows on November 20, 1985 as an add-on to MS-DOS in response to the growing interest in graphical user interfaces . Microsoft Windows came to dominate the world's personal... |
TTA performs lossless compression on multichannel 8, 16 and 24 bit
Bit
A bit is the basic unit of information in computing and telecommunications; it is the amount of information stored by a digital device or other physical system that exists in one of two possible distinct states...
data of uncompressed wav
WAV
Waveform Audio File Format , is a Microsoft and IBM audio file format standard for storing an audio bitstream on PCs...
input files. The term "lossless" refers to the fact that such compression results in literally 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% - 70% of the original. The TTA lossless compressed audio format supports both ID3v1
ID3
ID3 is a metadata container most often used in conjunction with the MP3 audio file format. It allows information such as the title, artist, album, track number, and other information about the file to be stored in the file itself....
/ID3v2
ID3
ID3 is a metadata container most often used in conjunction with the MP3 audio file format. It allows information such as the title, artist, album, track number, and other information about the file to be stored in the file itself....
information tags and APEv2.
The TTA lossless audio codec allows for the storage of up to 20 audio CDs
Compact Disc
The Compact Disc is an optical disc used to store digital data. It was originally developed to store and playback sound recordings exclusively, but later expanded to encompass data storage , write-once audio and data storage , rewritable media , Video Compact Discs , Super Video Compact Discs ,...
worth of music on a single DVD-R
DVD
A DVD is an optical disc storage media format, invented and developed by Philips, Sony, Toshiba, and Panasonic in 1995. DVDs offer higher storage capacity than Compact Discs while having the same dimensions....
, retaining the original CD
Compact Disc
The Compact Disc is an optical disc used to store digital data. It was originally developed to store and playback sound recordings exclusively, but later expanded to encompass data storage , write-once audio and data storage , rewritable media , Video Compact Discs , Super Video Compact Discs ,...
quality audio, plus detailed information in the popular ID3
ID3
ID3 is a metadata container most often used in conjunction with the MP3 audio file format. It allows information such as the title, artist, album, track number, and other information about the file to be stored in the file itself....
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:| Name | Description | Platform |
|---|---|---|
| DirectShow DirectShow DirectShow , codename Quartz, is a multimedia framework and API produced by Microsoft for software developers to perform various operations with media files or streams. It is the replacement for Microsoft's earlier Video for Windows technology... -based players |
for example, Windows Media Player Windows Media Player Windows Media Player is a media player and media library application developed by Microsoft that is used for playing audio, video and viewing images on personal computers running the Microsoft Windows operating system, as well as on Pocket PC and Windows Mobile-based devices... , CorePlayer |
Windows |
| VLC VLC VLC may refer to:* Valencia Airport , an airport near Valencia, Spain* VLC media player, a free software cross-platform multimedia player and framework... |
media player, native support | Cross-platform |
| Gstreamer GStreamer GStreamer is a pipeline-based multimedia framework written in the C programming language with the type system based on GObject.GStreamer allows a programmer to create a variety of media-handling components, including simple audio playback, audio and video playback, recording, streaming and editing... -based players |
for example, Rhythmbox Rhythmbox Rhythmbox is an audio player that plays and helps organize digital music. Originally inspired by Apple's iTunes, it is free software, designed to work well under the GNOME Desktop using the GStreamer media framework. However, Rhythmbox functions on desktop environments other than GNOME.-Music... , Clementine Clementine (software) Clementine is a cross-platform free and open source music player and library organizer. It is a port of Amarok 1.4 to the Qt 4 framework and the GStreamer multimedia framework. It is available for Unix-like, Windows and Mac OS X... |
Cross-platform |
| XMMS2 XMMS2 XMMS2 is a new generation of the XMMS audio player. It is a new design, written from scratch, separate from the XMMS codebase... |
audio player, native support | Cross-platform |
| AIMP2 | audio player, native support | Windows |
| K-Multimedia | multimedia player, native support | Windows |
| foobar2000 Foobar2000 foobar2000 is a freeware audio player for Windows developed by Peter Pawlowski, a former freelance contractor for Nullsoft. It is known for its highly modular design and extensive SDK which allows third-party developers to do such things as completely replace the interface... |
audio player, supported through plug-in | Windows |
| Winamp Winamp Winamp is a media player for Windows-based PCs and Android devices, written by Nullsoft, now a subsidiary of AOL. It is proprietary freeware/shareware, multi-format, extensible with plug-ins and skins, and is noted for its graphical sound visualization, playlist, and media library features.Winamp... |
audio player, supported through plug-in | Windows |
| jetAudio JetAudio jetAudio is a multimedia player software that offers a playback option and multimedia file editor and burning capabilities. There are two different versions: Basic and Plus VX. The Plus VX version has additional bonus packs and unlocked video/audio conversion... |
multimedia player, native support | Windows |
| DeaDBeeF | audio player, native support | Linux |
| cmus Cmus cmus is a small and fast console audio player for Unix-like operating systems.cmus is distributed under the terms of the GNU General Public License and operates exclusively through a text-only interface, built with ncurses.... |
console based audio player, through ffmpeg FFmpeg FFmpeg is a free software project that produces libraries and programs for handling multimedia data. The most notable parts of FFmpeg are libavcodec, an audio/video codec library used by several other projects, libavformat, an audio/video container mux and demux library, and the ffmpeg command line... |
Linux |
Hardware support
The following media devices are compatible with the TTA audio format:| Manufacturer | Model |
|---|---|
| Cowon Systems Cowon Cowon Systems, Inc. is a South Korean electronics company. Established in 1995, the company's initial focus was software development. In 2000, with the introduction of the CW100, Cowon expanded their business to the portable digital audio player industry.... |
Cowon O2 PMP |
| Cowon Systems Cowon Cowon Systems, Inc. is a South Korean electronics company. Established in 1995, the company's initial focus was software development. In 2000, with the introduction of the CW100, Cowon expanded their business to the portable digital audio player industry.... |
Cowon A3 PMP |
| Cowon Systems Cowon Cowon Systems, Inc. is a South Korean electronics company. Established in 1995, the company's initial focus was software development. In 2000, with the introduction of the CW100, Cowon expanded their business to the portable digital audio player industry.... |
Cowon V5 PMP |
| ICONBIT | HD400DVD |
| ICONBIT | HD400L |
| ICONBIT | HD400Le |
| Syabas Technology | Popcorn Hour A-200 |
| Syabas Technology | Popcorn Hour A-210 |
| Syabas Technology | Popcorn Hour C-200 |
| Multiple | Audio players that run Rockbox Rockbox Rockbox is a replacement for the standard firmware in various forms of digital audio players . It offers an alternative to the player's operating system, in many cases without removing the original firmware, which provides a plug-in architecture for adding various enhancements and functions... |
See also
- Lossless data compressionLossless data compressionLossless data compression is a class of data compression algorithms that allows the exact original data to be reconstructed from the compressed data. The term lossless is in contrast to lossy data compression, which only allows an approximation of the original data to be reconstructed, in exchange...
- Lossy data compressionLossy data compressionIn information technology, "lossy" compression is a data encoding method that compresses data by discarding some of it. The procedure aims to minimize the amount of data that need to be held, handled, and/or transmitted by a computer...
- Audio data compression
- Comparison of audio codecsComparison of audio codecsThe following tables compare general and technical information for a variety of audio formats and audio compression formats. For listening tests comparing the perceived audio quality of audio formats and codecs, see the article Codec listening test....
- Meridian Lossless PackingMeridian Lossless PackingMeridian Lossless Packing, also known as Packed PCM , is a proprietary lossless compression technique for compressing PCM audio data developed by Meridian Audio, Ltd. MLP is the standard lossless compression method for DVD-Audio content and typically provides about 1.5:1 compression on most music...