...gnals. Examples are [[MP3]] audio or mpeg-4 video (see [[MPEG-4 Visual]]). Codecs can be used with both [[Streaming]] (live video or audio) or file-based (e.
* [[Lossless]]
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'''Shorten''' is one of the oldest [[lossless]] audio formats. It was created by Tony Robinson in 1993.
Being the first open source lossless compressor, it became popular in its time, especially in the bootleg tradin
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== Supported codecs ==
...t|AIFF]], [[Advanced Audio Coding|AAC]], [[MP3]], (Ogg) [[Vorbis]], [[Free Lossless Audio Codec|FLAC]], [[Speex]], [[Monkey's Audio]], [[TTA]], [[Musepack]]
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...lm Taylor together with RK (a general purpose data compressor) and RKim (a lossless image compressor). <br/>
...parently it also decodes one of the two known lossy profiles (the "simple" lossless profile), but the user should be cautioned that the other lossy profile ("V
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; [[Lossy]] codecs:
* There are other lossy codecs at the [[lossy]] page.
...
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...ble open standard audio/video container format for various video and audio codecs. Matroska is based on [[EBML]], a binary variation of XML. It's aim is to r
...matroska.org/index.html Home Page]) supports the following audio and video codecs:
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'''Lossless Audio''' ('''La''') is a [[lossless]] audio [[codec]] developed 2002 to 2004 by Michael Bevin, for the Windows
La might have been the highest compressing lossless encoder, though in [http://www.squeezechart.com/audio.html some comparisons
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| format_type = Lossless audio codec
...gy/2009/03/new-lossless-mp3hd-format-trades-convenience-for-file-size/ New lossless mp3HD format trades convenience for file size | Ars Technica]</ref><ref>[ht
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...ly used in Blu-ray and HD-DVD – optionally, competing with the Dolby codecs family. It is an extension of the older [[DTS|DTS Coherent Acoustics]] code
...only supporting that format, and a correction stream specified in the DTS "Lossless Extension". DTS-HD devices will decode both to reconstruct the signal loss
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...''Sac''' can refer to (at least) one out of two lesser-known audio [[codec|codecs]], which are not aimed at end-users.
...pression ratio''<ref>https://encode.su/threads/1137-Sac-(State-of-the-Art)-Lossless-Audio-Compression Lehmann's 2010 post at encode.su, updated</ref>. It come
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...form based codecs, like [[Ogg]] [[Tarkin]]. It can compress both lossy and lossless data.
[[Category:Video codecs]]
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'''Meridial Lossless Packing''' ('''MLP''') is a [[lossless]] audio [[codec]] developed by the British pro-audio developer and manufact
...engineered, and decoding is now [https://www.ffmpeg.org/general.html#Audio-Codecs supported in ffmpeg] (with an experimental encoder).
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...ft's compressed audio formats; "WMA" is a generic name for several [[codec|codecs]]. .wma ''files'' (and .wmv files) are [[ASF]] container files with a suff
...i/Comparison_of_digital_music_stores</ref> (Qobuz, offering both lossy and lossless WMA<ref>https://help.qobuz.com/en/articles/10167-what-are-the-different-aud
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...be played back as such, and then a correction stream such that decoding is lossless when both are present. The correction stream can be in the same file as the
...e copied without the time or computing effort needed to transcode lossy to lossless every time; rather than keeping two sets of files, one can maintain one sin
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...codec]], developed to extend the [[MPEG-4]] Part 3 audio standard to allow lossless audio compression. First released in 2006, it is standardized as ISO/IEC 14
...r as .als files. By default it compresses files for full restore (not only lossless audio, but also recreating the original file bit by bit with the same metad
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== Codecs ==
...y]] codecs (depending on how one counts), five [[lossless data compression|lossless]], two uncompressed and six miscellaneous formats.<ref>[https://download.ro
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Some codecs limited to [[Constant Bitrate]] (CBR) include [[AC3]] (in theory it can enc
All [[lossless]] compression is VBR.
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| type = lossless
...G''' is a [[lossless]] audio [[codec]] with optional [[Hybrid codec|hybrid lossless/lossy]] encoding. It comes with a freeware (closed-source) command-line en
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...ncompressed original. Also, a format that stores data ''uncompressed'' is lossless if it can be reverted back to the original bit-by-bit.
...ZIP or RAR or Windows NTFS file compression feature; this article is about lossless compression of audio signals.
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...e checksum will not match the MD5 of various lossless audio formats. Those codecs calculate the checksum from the uncompressed PCM data before the compressio
Since version 0.5 there is an advanced configuration option to switch lossless format checksum to be calculated from the decoded PCM output.
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