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Create the page "Lossy compression" on this wiki!

• Topic Index
  == [[Lossy]] == ''A starting place for new users to audio, with guides to compression and CD ripping and a glossary of all common terms.''
  14 KB (1,910 words) - 17:42, 8 April 2024
• Glossary Of Audio Terms
  * LPAC → [[Lossless Predictive Audio Compression]] * [[Lossless Predictive Audio Compression]]
  5 KB (467 words) - 20:49, 24 July 2019
• Free Lossless Audio Codec
  | purpose = Popular open source patent free lossless compression scheme. '''Free Lossless Audio Codec''' ('''FLAC''') is a codec for lossless audio compression.
  12 KB (1,749 words) - 00:32, 20 October 2023
• Vorbis
  | type = lossy | purpose = General audio compression at bitrates ~64–400 kbps
  12 KB (1,706 words) - 13:38, 15 March 2022
• Advanced Audio Coding
  == Technologies used for compression == [[Category:Lossy]]
  7 KB (1,105 words) - 14:03, 23 April 2023
• WavPack
  | caption = Hybrid Lossless Audio Compression ...udio [[codec]], also offering optionally a [[hybrid codec| hybrid lossless/lossy]] mode. It is distributed as a free open-source encoder/decoder with a lib
  54 KB (8,599 words) - 20:44, 12 April 2024
• MP3
  ...commonly referred to as MP3, is a popular digital audio encoding and lossy compression format, designed to greatly reduce the amount of data required to represent ...n became the de facto standard for lossy audio encoding, due to the high [[compression rates]] (1/11 of the original size, still retaining considerable quality),
  32 KB (4,966 words) - 09:42, 25 March 2024
• Musepack
  | type = lossy | purpose = Living audio compression
  4 KB (588 words) - 12:10, 28 February 2021
• TTA
  ... is, ''one single setting'' with no encoding options for heavier / lighter compression / CPU load. These properties have seen some appeal in certain applications ...y has been considered on the ''fast encoder'' side rather than the ''heavy compression'' ([[Monkey's Audio]]/[[OptimFROG]]) side. In the most recent edition of t
  11 KB (1,637 words) - 17:51, 25 April 2024
• OptimFROG
  ... [[lossless]] audio [[codec]] with optional [[Hybrid codec|hybrid lossless/lossy]] encoding. It comes with a freeware (closed-source) command-line encoder/ ...4.910b. Later versions introduced new presets, possibly altering the speed/compression trade-off.</ref>
  6 KB (927 words) - 20:55, 12 February 2022
• Lossy
  '''Lossy''' compression is a form of compression that significantly reduce multimedia file size by throwing away information Human audio perception is not perfect. Lossy compression takes advantage of this characteristic. By selective discarding, much unnec
  2 KB (329 words) - 02:17, 13 July 2023
• Windows Media Audio
  ...ia.org/wiki/Comparison_of_digital_music_stores</ref> (Qobuz, offering both lossy and lossless WMA<ref>https://help.qobuz.com/en/articles/10167-what-are-the- ... Microsoft to compete against [[MP3]], the market leading format for lossy compression. It was released in 1999, and an upgrade later the same year; those are so
  4 KB (614 words) - 21:03, 9 February 2024
• Joint stereo
  ...ide stereo does very little or no damage to the stereo image and increases compression efficiency either by reducing size or increasing overall quality. Mid-side Intensity stereo is by definition a [[lossy]] coding method thus it is primarily useful at low bitrates. For coding at
  11 KB (1,669 words) - 05:12, 12 August 2023
• Transparency
  ...lt is perceptually indistinguishable from the uncompressed input, then the compression can be declared to be transparent. In other words, transparency is the situ ... on the listener's familiarity with artifacts, and to a lesser extent, the compression method, [[bitrate]] used, input characteristics, listening conditions, and
  3 KB (379 words) - 13:50, 4 April 2016
• Lossless
  Compression is '''lossless''' when decoding the compressed data gives a result which is ...R or Windows NTFS file compression feature; this article is about lossless compression of audio signals.
  10 KB (1,441 words) - 11:30, 27 June 2023
• Download page
  ...tracks with cue sheet when decoding. Can convert between many lossless and lossy formats. Plugin oriented design, for easy exchange for new encoders. ==Lossy Audio Encoders/Decoders ==
  23 KB (3,133 words) - 04:47, 25 May 2023
• Constant Bitrate
  ...bly argue that the point of using a compression algorithm, especially in a lossy codec like MP3, is to conserve as many bits as possible while maintaining a ... so VBR is often more desirable for applications that need a great deal of compression.
  6 KB (1,027 words) - 08:20, 20 July 2014
• Huffman coding
  ...use a common algorithmic technique, known as Huffman coding. This is not a compression algorithm, but rather a coding method, known as (entropy coding). This codi * [http://compression.ru/download/articles/huff/huffman_1952_minimum-redundancy-codes.pdf Huffman
  2 KB (234 words) - 00:43, 7 September 2006
• Pre echo
  ...me point, you must make the decision to round to zero (or end up with 1:4 "compression") and you introduce the oscillation.
  2 KB (417 words) - 20:36, 15 September 2006
• RK Audio
  '''RK Audio''' ('''RKAU''') is a legacy [[lossless]] (and [[lossy]]) audio [[codec]] for the Windows platform. It was developed by Malcolm Ta ...irca 2005 at his new company MSoftware, which then for a while revived the compression suite ([http://www.squeezechart.com/audio.html including an audio compresso
  1 KB (195 words) - 05:58, 15 August 2023
• Choosing the best codec
  ; [[Lossy]] codecs: * There are other lossy codecs at the [[lossy]] page.
  3 KB (457 words) - 20:06, 15 May 2017
• EAC and FLAC
  * Click the '''EAC''' menu and select '''Compression Options'''. ...pression''' Tab, and put a tick in the box for '''use external program for compression'''.
  4 KB (669 words) - 17:47, 11 January 2021
• FAQ
  =General Audio Compression= ...increase quality by converting a lossy compressed file to a higher-bitrate lossy compressed file?
  4 KB (597 words) - 23:04, 1 March 2012
• Transcoding
  ...s]] to lossless, from lossless to [[lossy]], from lossy to lossy, and from lossy to lossless. ==Lossy-to-lossy transcoding==
  5 KB (815 words) - 21:58, 23 December 2023
• Macintosh Audio Compression/Expansion
  ...intosh Audio Compression/Expansion''' ('''MACE''') is a lossy, proprietary compression scheme developed by Apple Computer for their Macintosh line of computers. It only works on 8bit streams. It offers two compression modes: 6:1 (1/6th of the original file size, 117 kbps) and 3:1 (1/3rd of th
  1 KB (152 words) - 13:25, 14 July 2016
• Lossless comparison
  ...t suited for each person's needs. Some people take into consideration only compression performance when choosing a codec, but as the following table and article s ...favour [[WavPack]] or [[FLAC]]. Another user, looking for the very highest compression available, would go with [[OptimFROG]]. Someone wanting portable support wo
  22 KB (3,174 words) - 06:47, 11 August 2023
• Gapless playback
  ...ng or after the creation of the files, the audio data is compressed with a lossy codec like MP3. There are two main reasons why gaps occur during playback: compression scheme artifacts and poorly designed playback systems.
  13 KB (2,110 words) - 20:39, 21 November 2016
• Recommended Ogg Vorbis
  ...vember 2005''' significantly improves Vorbis' quality while increasing the compression ratio slightly. ...c2.8 is a special version of the (Ogg) Vorbis encoder. “Features include compression from lossless files (Monkeys Audio, LPAC, FLAC, OptimFROG, WavPack and Shor
  27 KB (4,040 words) - 08:17, 14 October 2018
• Hydrogenaudio Listening Tests
  ...ears is by organizing and participating in public blind listening tests of lossy codecs and presenting statistical analyses of the results. These results sh ...|Lossless encoder comparisons]] instead consider technical aspects such as compression ratio and encode/decode speed.
  6 KB (798 words) - 05:18, 5 March 2024
• Rockbox
  ...ression|lossy]] codecs (depending on how one counts), five [[lossless data compression|lossless]], two uncompressed and six miscellaneous formats.<ref>[https://do === Lossy formats ===
  5 KB (705 words) - 09:21, 22 October 2020
• Create a long-term archive
  ...vPack]], and [[Monkey's Audio]]. However, other formats may provide better compression. We strongly advise you to '''not use [[lossy]] encoding'''. With lossy encoding, you will not end up with a bit-by-bit identical archive.
  8 KB (1,298 words) - 13:35, 15 April 2008
• Myths (Vinyl)
  ...record - whether by increasing the recording level or by limiting/clipping/compression - raises the cutting head average power. ...ters, resistors, and transistors. Some digital effects such as lossy codec compression to reduce overall bandwidth (thus reducing storage space) without sacrifici
  23 KB (3,722 words) - 04:14, 16 September 2021
• Psychoacoustics
  The psychoacoustic model provides for high quality [[lossy]] signal compression by describing which parts of a given digital audio signal can be removed (o ...uality original masters with very little discernible loss in quality. Such compression is a feature of nearly all modern audio [[codec]]s.
  2 KB (245 words) - 21:29, 2 October 2006
• Module
  With the advent of [[lossy]] compression and broadband Internet connections, module files are becoming less popular
  2 KB (357 words) - 05:29, 3 August 2014
• Tarkin
  '''Tarkin''' is an experimental lossy video codec formerly under development by the Xiph.org Foundation. Tarkin h Tarkin is based on 3-D [[wavelet]] compression. A block of video has three dimensions, two spatial and one temporal, and i
  779 B (125 words) - 19:27, 10 July 2019
• TAK
  TAK has gained recognition for its performance figures, achieving compression like [[Monkey's Audio]] “High” at same encoding time, and ditto for the There is no hybrid/lossy mode, however it is possible to use TAK with [[lossyWAV]]. This is arguably
  12 KB (1,842 words) - 07:39, 9 May 2022
• EAC Configuration Wizard
  ...een is just meant to give you some general information about the different compression options available. Just go on by clicking ''Next''. ...hoice depends on many factors (e.g. if you want to use a [[lossless]] or [[lossy]] format), so no recommendation can be given here. Just note the different
  9 KB (1,514 words) - 11:28, 12 June 2023
• LossyWAV
  ...s the bitrate of the encoded file significantly compared to unpreprocessed compression. ...ilename extension, .lossy.wav, to make them instantly identifiable. e.g. ".lossy.flac" would indicate an audio file which was processed using lossyWAV, and
  28 KB (3,906 words) - 20:28, 30 July 2021
• EAC Compression Options (Legacy)
  ... information about compression options in newer versions of EAC, see [[EAC Compression Options]].|color=green}} In [[Exact Audio Copy]]’s '''compression options''' dialog (keyboard shortcut: {{key press|F11}}) are found all opti
  24 KB (3,916 words) - 11:19, 14 August 2023
• EAC and LossyWAV
  * Click the '''EAC''' menu and select '''Compression Options'''. ... the '''External Compression''' Tab, and check '''Use external program for compression'''.
  3 KB (442 words) - 19:24, 23 March 2020
• CUETools
  * Compress to [[LossyWAV]], creating a lossy output + correction file. * <code>LossyWAVSharp.exe <var>&lt;filename></var></code> - console lossyWAV compression utility
  8 KB (1,205 words) - 10:03, 14 June 2023
• Rubyripper and OggOpus
  This page describes how to securely rip audio cds to the lossy compression format ''[[Opus]]'' on GNU/Linux operating systems.
  2 KB (333 words) - 17:18, 14 September 2012
• Opus
  '''Opus''' is a [[lossy]] audio compression format developed by the Internet Engineering Task Force (IETF) designed to ...hance of artifacts (a few killer samples still detectable). Most old & new lossy codecs competitive.
  34 KB (5,066 words) - 05:26, 24 April 2024
• XLD Configuration
  ...ip a disc to FLAC (and perhaps from thence transcode to whatever flavor of lossy codec you prefer. You may adapt this to your personal needs as you wish.)'' ...button. Set as below but use your own discretion and preferences as to the compression level slider for FLAC. (All the way to the right is Level 8.)
  9 KB (1,603 words) - 15:30, 2 March 2016
• Foobar2000:Legacy components
  ...ecoder (foo_ac3)|AC3 Decoder (foo_ac3)]] Decodes Dolby Digital lossy audio compression technologies format ([[AC3]]).
  38 KB (5,181 words) - 12:34, 19 November 2023
• Foobar2000:Components/QOA Audio Decoder (foo qoa)
  tl;dr: QOA is a lossy, time domain audio compression format with a constant bitrate of 277 kbits/s for Stereo 44100hz. 400 lines * [https://phoboslab.org/log/2023/02/qoa-time-domain-audio-compression quick QOA Format description]
  2 KB (197 words) - 08:36, 5 April 2023
• QOA
  ...fication] (CC0 licensed)</ref>. It is not intended to compete with current lossy encoders in terms of near-transparency at low bitrates &ndash; indeed, "low ...oslab.org/log/2023/02/qoa-time-domain-audio-compression "Time Domain Audio Compression at 3.2 bits per Sample"] (blog post introducing QOA)</ref>, which pre-dates
  3 KB (407 words) - 15:54, 8 April 2024