Editing List of codecs (section)

====General====
* [[Adaptive differential pulse-code modulation]] (ADPCM, also called adaptive delta pulse-code modulation)
* [[Adaptive Transform Acoustic Coding]] (ATRAC, used in [[MiniDisc]] devices)
** FFmpeg (decoder only)
* ATSC/ETSI standards:
** [[Dolby Digital]] (AC3, ATSC A/52, ETSI TS 102 366)
*** FFmpeg
*** liba52 (decoder only)
** [[Dolby Digital Plus]] (E-AC-3, ATSC A/52:2012 Annex E, ETSI TS 102 366 Annex E)
*** FFmpeg
** [[DTS Coherent Acoustics]] (DTS, Digital Theatre System Coherent Acoustics, ETSI TS 102 114) 
*** FFmpeg
*** libdca (decoder only)
** [[Dolby AC-4]] (ETSI TS 103 190)
* [[Blackbird (software)#Impala|Impala]] Blackbird audio codec
* [[ITU]] standards:
** [[G.719]]
** [[G.722]]
*** FFmpeg
** [[G.722.1]] (subset of Siren7) and G.722.1 Annex C (subset of Siren14)
*** libg722_1
*** libsiren (part of libmsn and msn-pecan)
** [[G.722.2]]
*** 3GPP TS 26.173{{snd}} AMR-WB speech Codec (C-source code){{snd}} reference implementation<ref name="3gpp-amr-wb">3GPP (2008-12-11) [http://www.3gpp.org/ftp/Specs/archive/26_series/26.173/26173-800.zip 3GPP TS 26.173 - AMR-WB speech Codec; version 8.0.0 Release 8], retrieved 2009-09-09</ref>
*** opencore-amr (decoder)
*** VisualOn AMR-WB encoder
*** FFmpeg (decoding only)
** [[Enhanced Voice Services|EVS]]
* MPEG-1 Audio and MPEG-2 Audio
** layer I ([[MP1]]) ([[MPEG-1]], [[MPEG-2]] and non-ISO MPEG-2.5)
*** FFmpeg (decoder only)
** layer II ([[MP2 (format)|MP2]]) ([[MPEG-1]], [[MPEG-2]] and non-ISO MPEG-2.5)
*** FFmpeg
*** [[tooLame]] (encoding only)
*** twoLame (encoding only)
** layer III ([[MP3]]) ([[MPEG-1]], [[MPEG-2]] and non-ISO MPEG-2.5)
*** FFmpeg (decoding only)
*** [[LAME]] (encoding only)
** [[Advanced Audio Coding]] (AAC) ([[MPEG-2 Part 7]])
*** [[FAAC]] (encoder) and [[FAAC|FAAD]] (decoder)
*** [[FFmpeg]]
*** [[iTunes]]
*** [[Nero AAC Codec]]
*** [[VisualOn#VisualOn AAC Encoder|VisualOn AAC Encoder]] (a.k.a. libvo_aacenc)
*** [[Fraunhofer FDK AAC]]
*** libaacplus
* [[MPEG-4 Audio]]
** [[Advanced Audio Coding]] (AAC, [[MPEG-4 Part 3]] subpart 4), [[HE-AAC]] and [[AAC-LD]]
*** [[FAAC]], [[FAAD2]]
*** [[FFmpeg]]
*** [[iTunes]]
*** [[Nero Digital|Nero AAC Codec]]
*** MPEG-4 AAC reference software (ISO/IEC 14496-5:2001)
** [[Harmonic and Individual Lines and Noise]] (HILN, [[MPEG-4]] Parametric Audio Coding)
*** MPEG-4 reference software (ISO/IEC 14496-5:2001)
** [[TwinVQ]]
*** MPEG-4 reference software (ISO/IEC 14496-5:2001)
*** FFmpeg (decoding only)
** BSAC (Bit-Sliced Arithmetic Coding)
*** MPEG-4 reference software (ISO/IEC 14496-5:2001)
* [[MPEG-H]]
** [[MPEG-H 3D Audio]]
* [[Musepack]] (a.k.a. MPEGplus)
** Musepack SV8 Tools
** FFmpeg (decoding only)
*[[NICAM]]
* AT&T [[Perceptual Audio Coder]]
* [[MPEG-1 Audio Layer I|Precision Adaptive Subband Coding]] (PASC; a variant of MP1; used in [[Digital Compact Cassette]])
* [[QDesign]] (purchased by [[DTS (sound system)|DTS]])
** QDesign Music Codec{{snd}} used in Apple QuickTime
*** FFmpeg (decoding only)
* PictureTel (purchased by [[Polycom]])
** [[Siren Codec|Siren]] 7
*** libg722_1
*** libsiren (part of libmsn and msn-pecan)
*** FFmpeg (decoder only)
** Siren 14
*** libg722_1
*** vgmstream (decoder only)
** Siren 22
* NTT [[TwinVQ]]
** FFmpeg (decoder only)
** NTT TwinVQ Encoder, NTT TwinVQ Player
* Voxware MetaSound (a variant of NTT TwinVQ)
** Windows Media Player (voxmsdec.ax)
** FFmpeg (decoder only)
* [[Vorbis]]
** [[aoTuV]]
** [[FFmpeg]]
** [[libvorbis]]
** [[Tremor (software)|Tremor]] (decoder only)
* [[Windows Media Audio]] (WMA)
** [[Windows Media Encoder]]
** FFmpeg
** [[ADC codec ]] (Adaptive Differential Coding)

===== AES3 =====
* SMPTE 302M
** FFmpeg (decoder only)
* [[Dolby E]]
** FFmpeg (decoder only)

=====Bluetooth=====
* [[Bluetooth Special Interest Group]]
** [[SBC (codec)|Low Complexity Subband Coding]] (SBC)
*** [[Bluetooth stack#BlueZ|BlueZ]]'s SBC library (libsbc)
*** Fluoride Bluetooth stack (successor of [[Bluetooth stack#BlueDroid|BlueDroid]])
*** FFmpeg
** CVSD 8&nbsp;kHz - used in [[List of Bluetooth profiles#Hands-Free Profile (HFP)|Hands-Free Profile (HFP)]]
** modified SBC (mSBC) - used in Hands-Free Profile (HFP)
*** BlueZ's SBC library (libsbc)<ref>[http://www.bluez.org/sbc-11/ Release of sbc-1.1], BlueZ Project, April 30, 2013</ref>
*** Fluoride Bluetooth stack
*** FFmpeg
** [[SBC (codec)#Higher quality variants|SBC XQ]]
*** [[PulseAudio]]'s bluetooth stack<ref>[https://www.phoronix.com/news/PulseAudio-15.0 PulseAudio 15 Released With Bluetooth Improvements, Better Hardware Support]. Phoronix. July 28, 2021</ref> (encoder only)
*** [[PipeWire]]'s bluetooth stack<ref>[https://www.collabora.com/news-and-blog/news-and-events/pipewire-bluetooth-support-status-update.html PipeWire: Bluetooth support status update]. Collabora. April 29, 2022</ref> (encoder only)
** [[LC3 (codec)|LC3]] (Low Complexity Communication Codec)
*** Google's liblc3 (open source) - used in [[Android 13]] and later
* [[ETSI]]
** LC3plus (ETSI TS 103 634)
*** Google's liblc3 (open source)
* Qualcomm Technologies International (formerly [[CSR (company)|CSR]])
** [[aptX]] (a.k.a. apt-X)
*** Qualcomm libaptX<ref name="aosp-aptx">[https://android.googlesource.com/platform/system/bt/+/3a3ec66a1bb7f5c99b17239021d6d184a3abd4ee%5E%21/ Integration of the aptX and aptX-HD codecs for A2DP source], [[Android Open Source Project]], January 4, 2017</ref>
*** FFmpeg
** [[aptX#aptX HD|aptX HD]]
*** Qualcomm libaptXHD<ref name="aosp-aptx"/>
*** FFmpeg
** [[aptX#aptX LL|aptX Low Latency]]
** [[aptX Adaptive]]
** [[FastStream]] - a variant of SBC codec for bi-directional audio transmission
* [[Sony]]
** [[LDAC (codec)|LDAC]]
*** libldac (encoder only)<ref>[https://android.googlesource.com/platform/external/libldac/+/94704431a4da8fbf32cb7c2f964d7aeb140300b9 The contribution of LDAC encoder], [[Android Open Source Project]], January 10, 2017</ref> - used in [[Android Oreo]]
*** libldacdec (decoder only)
* HWA Alliance/Savitech
** [[LHDC (codec)|LHDC]]<ref>{{Cite web|url=https://www.hwa-lhdc.org/how-it-works|title=What is LHDC|website=hwa-audio|language=en|access-date=2019-04-30}}</ref>
*** HWA encoder/decoder
** [[LHDC (codec)#LLAC|LLAC]]<ref>{{Cite web|url=https://www.lhdc-audio.org/copy-of-what-is-lhdc|title=What is LLAC™?|website=LHDC org}}{{dead link|date=May 2020|bot=medic}}{{cbignore|bot=medic}}</ref>
***HWA encoder/decoder
* HiBy
** Ultra Audio Transmission (UAT)
* Samsung
** Samsung HD/UHQ-BT codec
** Samsung Scalable codec
** Samsung Seamless codec
* [[Master Quality Authenticated|MQA]]
** MQair

=====Digital radio=====
* [[High-Definition Coding|Hybrid Digital Coding]] - used in [[HD Radio]] (a.k.a. NRSC-5)
** NRSC-5 receiver for rtl-sdr (decoder only)