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  • Topic Index
    * [[OggDropXPd|OggDropXPd]] guide for encoding with John 33's popular drag-n-drop frontend. = Audio Codecs =
    14 KB (1,910 words) - 17:42, 8 April 2024
  • Theora
    ... schemes, but differs in that it only uses I (intra) and P (inter) frames, with no corresponding B (bi-predictive) frames. The VPx lineage has seen many, many new codecs since Theora. VP8 and VP9 are, since 2015, widely supported in browsers. Th
    2 KB (271 words) - 15:12, 10 August 2023
  • MPEG-4
    [[Category:Codecs]]
    2 KB (260 words) - 22:23, 11 September 2006
  • Free Lossless Audio Codec
    ...FLAC without any loss in quality. This is similar to how Zip works, except with FLAC you will get much better compression because it is designed specifical ...er arithmetic, and is much less compute-intensive than for most perceptual codecs. Real-time decode performance is easily achievable on even modest hardware.
    12 KB (1,749 words) - 00:32, 20 October 2023
  • Vorbis
    ...28 kbps. Transparency is generally reached at about 150–170 kbps (-q 5) (with some exceptions). The encoder is reasonably young and unoptimized, so furth ...ess with many recent video game titles employing Vorbis as opposed to MP3 (with Epic Games' Unreal Tournament 2003 and Unreal Tournament 2004, the PC port
    12 KB (1,706 words) - 13:38, 15 March 2022
  • Matroska
    ...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:
    2 KB (341 words) - 15:54, 11 September 2006
  • Advanced Audio Coding
    ...mmittee, and is their official successor to the popular [[MP3]] format. As with MP3, the AAC format is an international standard, and is backed by several ...mprovements had been realised leading to a seemingly complex specification with several flavours of AAC available. To potentially add to the confusion, AAC
    7 KB (1,105 words) - 14:03, 23 April 2023
  • AAC encoders
    ...nary library only, included in QuickTime/iTunes. Can be extracted and used with a CLI wrapper. ...uted as binary library only, included in Winamp. Can be extracted and used with a CLI wrapper.
    8 KB (1,228 words) - 22:17, 29 January 2017
  • Monkey's Audio
    ...suffers from slow decompression speeds as compared to other lossless audio codecs. ...ues of its prediction step it uses [[range coding]], modified to work well with more or less continuous values.
    5 KB (679 words) - 17:24, 10 March 2024
  • WavPack
    ...ess/lossy]] mode. It is distributed as a free open-source encoder/decoder with a library and a large number of tools, including a Windows GUI and a range ...ght require the user to apply the WavPack executable directly, for example with drag+drop, see the [[#Using WavPack]] section below.
    54 KB (8,599 words) - 20:44, 12 April 2024
  • MP3
    The MP3 algorithm development started in 1987, with a joint cooperation of [http://www.iis.fraunhofer.de/ Fraunhofer IIS-A] and ...epending on MPEG version and stereo/mono). The header and side information help the decoder to decode the associated Huffman encoded data correctly.
    32 KB (4,966 words) - 09:42, 25 March 2024
  • Musepack
    ... Layer-2 ([[MP2]]) algorithms, with 32 subbands of the same bandwidth, but with several significant improvements. Musepack is optimized for "transparency". * Portable playback on digital audio players with Rockbox support, see http://www.rockbox.org
    4 KB (588 words) - 12:10, 28 February 2021
  • TTA
    ... (GPL/LGPL) encoder/decoder and library for several operating systems, and with DirectShow filters and plugins for several audio players, including [[fooba ...self as "TTA1", and an announced development of a "TTA2" format has passed with no known updates since 2010.<ref>[https://web.archive.org/web/2010072702203
    11 KB (1,637 words) - 17:51, 25 April 2024
  • OptimFROG
    ...] with optional [[Hybrid codec|hybrid lossless/lossy]] encoding. It comes with a freeware (closed-source) command-line encoder/decoder and plugins for sev ...ilable and no sign of ffmpeg reverse-engineering the format (like was done with [[TAK]]).
    6 KB (927 words) - 20:55, 12 February 2022
  • Lossy
    ...giving a compromise between smaller size with less quality and larger size with higher quality. ...er 2019). ''[https://hal.science/hal-02289558 First-Order Ambisonic Coding with PCA Matrixing and Quaternion-Based Interpolation]''. 22nd International Con
    2 KB (329 words) - 02:17, 13 July 2023
  • Bitrate
    ...f 128 kilobits for each second of audio (960KB per minute). This contrasts with CD audio, which is encoded as 44100 16-bit stereo samples per second: 1411. ...lity. Based on my experience that's quite reasonable, at least with modern codecs like Opus, (x)HE-AAC, and MPEG-H Audio.
    3 KB (553 words) - 05:10, 12 August 2023
  • Codec
    ... [[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.g. avi, wav) cont * [[:Category:Codecs|A list of codecs described in the Hydrogenaudio Knowledgebase]]
    517 B (72 words) - 15:45, 15 September 2006
  • Container formats
    * [[Ogg]] - standard container for Xiph.org codecs
    884 B (132 words) - 22:58, 12 October 2009
  • ATRAC
    ...ree different audio compression technologies related among themselves, but with incompatibilities. It uses quadrature mirror filters and modified discrete ... ATRAC1, with reasonable quality at 132kbps. It's not backwards-compatible with ATRAC1.
    2 KB (276 words) - 21:26, 27 January 2022
  • Windows Media Audio
    ...dec|codecs]]. .wma ''files'' (and .wmv files) are [[ASF]] container files with a suffix indicating content, much like would later be done by renaming audi ...usic_stores</ref> (Qobuz, offering both lossy and lossless WMA<ref>https://help.qobuz.com/en/articles/10167-what-are-the-different-audio-formats-available-
    4 KB (614 words) - 21:03, 9 February 2024
  • Exact Audio Copy
    | caption = popular secure ripper with C2 error correction * Usage of the Windows Audio Compression Manager (ACM Codecs) for direct compression e.g. to MP3 waves
    15 KB (2,474 words) - 03:49, 11 November 2020
  • GStreamer
    == Supported codecs ==
    725 B (91 words) - 19:26, 12 October 2012
  • RIFF WAVE
    ...ecs]] in the IBM PC. It usually contains uncompressed [[PCM]] audio. Other codecs sometimes found inside WAV are [[ADPCM]], GSM, a/uLaw and [[MP3]].
    523 B (67 words) - 21:45, 27 January 2022
  • Lossless
    ...rld ''audio'' data. File sizes will still be larger than audio compressed with any (reasonable) [[lossy]] encoder, as lossy compression aims at saving spa ...t transfer metadata bit-by-bit, only the audio - although certain lossless codecs can also store the original's metadata in a separate chunk to be recreated.
    10 KB (1,441 words) - 11:30, 27 June 2023
  • Pulse Code Modulation
    ...udio Interchange File Format|AIFF]] files. Most [[lossless]] audio [[codec|codecs]] for end-users compress linear PCM. Being by far the most common form for ...e same as the difference from 13000 to 13009. Linear PCM can be converted with ordinary multi-bit converters: the 12th bit contributes the same to the ana
    3 KB (453 words) - 17:12, 18 January 2022
  • Ogg
    ...d stream format developed by the Xiph.Org Foundation, for their multimedia codecs. It is an open format free for anyone to use. It is usually used to store [
    1 KB (160 words) - 13:41, 7 October 2018
  • Shorten
    Now considered a legacy codec, it lacks most features of modern codecs, like tagging, [[streaming|streamability]] / seekability (although there is Shorten files can be converted or played back with several tools including ffmpeg (after a bugfix in 2016, ticket 4712).
    1 KB (190 words) - 10:47, 28 December 2021
  • Meridian Lossless Packing
    ...ow [https://www.ffmpeg.org/general.html#Audio-Codecs supported in ffmpeg] (with an experimental encoder). ...romised 24 bits to e.g. 22 for compression to lower size. Tested on a DVD with such material (22 effective bits), it was beaten by every other codec that
    1 KB (205 words) - 21:25, 27 January 2022
  • MP2
    ...the same principles, but developed into a [[subband]] [[codec]] of its own with superior audio quality. [[Category:Codecs]]
    741 B (118 words) - 22:58, 8 September 2006
  • Foobar2000 Talk:Foobar2000
    :: The infobox collides with the heading's underline... can you put in some kid of margin-left around th ::: I tried but it appears not to be doable. It happens with the [http://en.wikipedia.org/wiki/Template:Software_infobox wikipedia templ
    6 KB (927 words) - 15:34, 27 October 2018
  • ReplayGain
    ...ws the loudness of a specific sub-collection (an "album") to be consistent with the rest of the collection, while allowing the dynamics from song to song o ...layback, the volume of a quiet song is increased, so the parts of the song with above-average loudness, especially in the bass frequencies, will exceed the
    21 KB (3,103 words) - 16:07, 5 April 2024
  • Download page
    ! align="left" | [[DBpowerAMP with AccurateRip|dBpoweramp]] fre:ac is a free audio converter and CD ripper with support for various popular formats and encoders. Plus supports the CDDB/fr
    23 KB (3,133 words) - 04:47, 25 May 2023
  • AC-3
    ...m can carry a Pro-Logic signal in its two front channels for compatibility with old systems. [[Category:Codecs]]
    4 KB (562 words) - 07:43, 9 July 2019
  • Blind test
    ...etermine the effect of drugs on test subjects without coloring the results with subjective responses from both the subjects and experimenters. ...another for personal reasons or preferences, that would have nothing to do with the sound. People also often imagine hearing differences between, say, a [[
    3 KB (612 words) - 20:51, 23 December 2021
  • DTS
    [[Category:Codecs]]
    1 KB (193 words) - 11:12, 11 February 2022
  • Modified Discrete Cosine Transform
    ...The MDCT tries to minimize blocking artifacts. It is common in lossy audio codecs including [[MP3]], [[Vorbis]], and [[AAC]].
    2 KB (306 words) - 13:07, 5 October 2016
  • Variable Bitrate
    Some codecs limited to [[Constant Bitrate]] (CBR) include [[AC3]] (in theory it can enc To help players seek and show correct durations, VBR formats often include metadata
    1 KB (241 words) - 20:57, 28 July 2014
  • Apple AAC
    Apple's CoreAudioBaseTypes lists the following AAC-derived codecs on macOS 11.3:<ref name=CABT>https://github.com/phracker/MacOSX-SDKs/blob/0 * FFmpeg only knows about using Apple AAC with LC, LD, ELD, HE, and HEv2.
    5 KB (776 words) - 03:30, 31 March 2024
  • Lossless Audio
    La is available as closed-source freeware with a graphical front-end and plugins for [[Winamp]]/[[XMMS]] and [[foobar2000] ... to the format or to the current encoder is unknown but - hardly relevant, with the software being closed-source and unmaintained and no format specificati
    1 KB (201 words) - 13:05, 10 January 2022
  • RK Audio
    ...ec]] for the Windows platform. It was developed by Malcolm Taylor together with RK (a general purpose data compressor) and RKim (a lossless image compresso {{navbox audio codecs}}
    1 KB (195 words) - 05:58, 15 August 2023
  • MP3Pro
    ...te good quality at bitrates lower than 96kbps, and is backwards compatible with players that only support plain old MP3 (but the SBR part won't play on the It's a proprietary and closed format, with no documentation or source code available.
    547 B (87 words) - 02:44, 27 December 2014
  • Speex
    Note that Speex has a number of features that aren’t in other codecs such as [[Intensity stereo]] encoding, integration of multiple sampling rat [[Category: Codecs]]
    976 B (132 words) - 21:28, 27 January 2022
  • Choosing the best codec
    ...r, my needs aren't the same as yours, maybe we want to do different things with our music, or we have a different amount of disk space to use. ; [[Lossy]] codecs:
    3 KB (457 words) - 20:06, 15 May 2017
  • FAQ
    ...genaudio.org/forums/index.php?act=ST&f=15&t=4639 Experience of a HA Member with Rear Channel] on the HA Forums ;Why not use graphs / frequency analysis to compare codecs?
    4 KB (597 words) - 23:04, 1 March 2012
  • Frequency analysis
    ;Why Shouldn't We Use Frequency or Spectral Graphs to Compare Audio Codecs? # Graphical analysis is often useful, but only when used together with a listening test. The most useful view is the sound spectra view (spectral
    1 KB (215 words) - 05:02, 14 May 2012
  • Macintosh Audio Compression/Expansion
    ...are better alternatives quality-wise (ADPCM, WavPack lossy, psychoacoustic codecs) [[Category:Codecs]]
    1 KB (152 words) - 13:25, 14 July 2016
  • Adaptive Differential Pulse Code Modulation
    ...wer variance than the real sound samples, and will be accurately quantized with fewer bits than would be needed to quantize the original sound samples. At ...e proprietary, other are open, and there are drastic variations among them with regards to flexibility and quality:
    1 KB (201 words) - 20:59, 1 January 2022
  • Windows Media Video
    [[Category:Codecs]]
    333 B (50 words) - 22:21, 11 September 2006
  • AVI
    It supports countless types of codecs, both audio and video ones.
    504 B (75 words) - 16:49, 11 September 2006
  • Advanced Streaming Format
    ...ated by Microsoft for their Windows Media codec portfolio. The most common codecs found inside it are [[Windows Media Video]] (several versions) and [[Window
    334 B (44 words) - 16:29, 13 June 2007

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