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Daftar/Tabel -- codecs

The following is a list of compression formats and related codecs.

Contents

Audio codecs

Main article: Audio codec

Non-compression formats

  • Linear Pulse Code Modulation (LPCM, generally only described as PCM) is the format for uncompressed audio in media files and it is also the standard for CD-DA; note that in computers, LPCM is usually stored in container formats such as WAV, AIFF, or AU, or as RAW audio format
    • FFmpeg
  • Pulse-density modulation (PDM)
    • Direct Stream Digital (DSD) is standard for Super Audio CD
      • foobar2000 Super Audio CD Decoder (based on MPEG-4 DST reference decoder)
  • Pulse-amplitude modulation (PAM)

Lossless data compression

Main article: Lossless data compression
  • Apple Lossless Audio Codec (ALAC)
    • FFmpeg
    • QuickTime
  • ATRAC Advanced Lossless (AAL)
  • Direct Stream Transfer (DST)
    • MPEG-4 DST reference software (ISO/IEC 14496-5:2001/Amd.10:2007)
  • Dolby TrueHD – Optional lossless surround sound format used by HD DVD and Blu-ray, it uses MLP but adds higher sample rates, bit rates, and more channels
    • FFmpeg (decoding only)
  • DTS-HD Master Audio – Optional lossless surround sound format used by HD DVD and Blu-ray, it was previously known as DTS++ and DTS-HD
  • Free Lossless Audio Codec (FLAC)
    • FFmpeg
    • libFLAC
  • Lossless Audio (LA)
  • Lossless Predictive Audio Compression (LPAC)
  • Lossless Transform Audio Compression (LTAC)
  • MPEG-4 Audio Lossless Coding (MPEG-4 ALS)
    • MPEG-4 ALS reference software (ISO/IEC 14496-5:2001/Amd 10:2007/Cor 3:2009)
    • FFmpeg (decoding only)
  • MPEG-4 Scalable Lossless Coding (MPEG-4 SLS, also used in audio profile HD-AAC)
    • MPEG-4 SLS reference software (ISO/IEC 14496-5:2001/Amd 10:2007)
  • Meridian Lossless Packing (MLP), also known as Packed PCM (PPCM), it is as Dolby TrueHD the standard lossless compression method for DVD-Audio content
    • FFmpeg (decoding only)
  • Monkey's Audio (APE)
    • FFmpeg (decoding only)
  • mp3HD
  • OptimFROG (OFR)
  • Original Sound Quality (OSQ)
  • RealAudio Lossless
  • RK Audio (RKAU)
  • Shorten (SHN)
    • FFmpeg (decoder only)
  • TAK
    • FFmpeg (decoder only)
  • True Audio (TTA)
    • FFmpeg (decoder only)
  • WavPack (WV)
    • FFmpeg (decoder only)
  • Windows Media Audio 9 Lossless
    • Flip4Mac WMV (QuickTime)
    • FFmpeg (decoder only)

Lossy data compression

Main article: Lossy data compression

General

  • Adaptive Differential (or Delta) pulse-code modulation (ADPCM, see Pulse-code modulation)
  • Adaptive Rate-Distortion Optimised sound codeR (ARDOR)
  • Adaptive Transform Acoustic Coding (ATRAC, used in MiniDisc devices)
    • FFmpeg (decoder only)
  • apt-X
  • Dolby Digital (A/52, AC3)
    • FFmpeg
    • liba52 (decoder only)
  • DTS Coherent Acoustics (DTS, Digital Theatre System Coherent Acoustics)
    • FFmpeg
  • Impala FORscene audio codec
  • ITU standards:
    • G.719
    • G.722
      • FFmpeg
    • G.722.1 and G.722.1 Annex C
      • libg722_1
      • libsiren (part of libmsn and msn-pecan)
    • G.722.2
      • 3GPP TS 26.173 - AMR-WB speech Codec (C-source code) - reference implementation[1]
      • opencore-amr (decoder)
      • FFmpeg (decoding only)
  • MPEG-1 Audio and MPEG-2 Audio
  • MPEG-4 Audio
    • Advanced Audio Coding (AAC), (MPEG-4 Part 3 subpart 4), HE-AAC
      • FAAC, FAAD2
      • FFmpeg
      • iTunes
      • 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)
  • Musepack
    • FFmpeg (decoding only)
  • Opus
  • Perceptual audio coder
  • QDesign
    • FFmpeg (decoding only)
  • Siren 7
    • libg722_1
    • libsiren (part of libmsn and msn-pecan)
  • Siren 14
    • libg722_1
  • Siren 22
  • TwinVQ
    • FFmpeg (decoder only)
    • NTT TwinVQ Encoder, NTT TwinVQ Player
  • Vorbis
    • aoTuV
    • FFmpeg
    • libvorbis
    • Tremor (decoder only)
  • Windows Media Audio (WMA)

Voice

Main article: Speech encoding

(low bit rate, optimized for speech)

  • Advanced Multi-Band Excitation (AMBE)
  • Algebraic Code Excited Linear Prediction (ACELP)
  • CDMA compression formats and codecs
    • Enhanced Variable Rate Codec (EVRC)
      • FFmpeg (decoder only)
    • Enhanced Variable Rate Codec B (EVRC-B)
    • QCELP (Qualcomm Code Excited Linear Prediction)
      • FFmpeg (decoder only)
    • Selectable Mode Vocoder (SMV)
    • Variable Multi Rate – WideBand (VMR-WB)
  • CELT
    • libcelt
  • Code Excited Linear Prediction (CELP)
  • Continuously variable slope delta modulation (CVSD)
  • Dialogic ADPCM (VOX)
  • Digital Speech Standard (DSS)
  • FS-1015 (LPC-10)
    • HawkVoice (libHVDI)
  • FS-1016 (CELP)
    • HawkVoice (libHVDI)
  • ITU standards:
    • G.711 (a-law and μ-law companding), also known as PCM of voice frequencies
      • FFmpeg (libavcodec)
    • G.711.0 (G.711 LLC)
    • G.711.1
    • G.718
    • G.719
    • G.721 (superseded by G.726)
    • G.722 (SB-ADPCM)
      • FFmpeg
    • G.722.1
    • G.722.2 (AMR-WB)
      • 3GPP TS 26.173 - AMR-WB speech Codec (C-source code) - reference implementation[1]
      • opencore-amr (decoder)
      • FFmpeg (decoder only)
    • G.723 (24 and 40 kbit/s DPCM, extension to G.721, superseded by G.726)
    • G.723.1 (MPC-MLQ or ACELP)
      • FFmpeg
    • G.726 (ADPCM)
      • FFmpeg (libavcodec)
    • G.728 (LD-CELP)
    • G.729 (CS-ACELP)
      • FFmpeg (decoder only)
    • G.729a
    • G.729d
      • FFmpeg (decoder only)
    • G.729.1
  • GSM compression formats and codecs:
    • Full Rate (GSM 06.10)
      • libgsm
      • FFmpeg (decoder only)
    • Half Rate (GSM 06.20)
    • Enhanced Full Rate (GSM 06.60)
    • Adaptive Multi-Rate (AMR)
      • AMR-NB
        • 3GPP TS 26.073 - AMR speech Codec (C-source code) - reference implementation[2]
        • opencore-amr (one may compile ffmpeg with—enable-libopencore-amrnb to incorporate the OpenCORE lib)
        • FFmpeg (by default decoder only, but see above the compiling options to incorporate the OpenCORE lib).
      • AMR-WB
        • 3GPP TS 26.173 - AMR-WB speech Codec (C-source code) - reference implementation[1]
        • opencore-amr (decoder), from OpenCORE (one may compile ffmpeg with—enable-libopencore-amrwb to incorporate the OpenCORE lib)
        • vo-amrwbenc (encoder), from Android VisualOn (one may compile ffmpeg with—enable-libvo-amrwbenc to incorporate the VisualOn lib)
        • FFmpeg (by default decoder only, but see above the compiling options).
      • AMR-WB+
        • 3GPP TS 26.273 - AMR-WB+ speech Codec (C-source code) - reference implementation[3]
  • Harmonic Vector Excitation Coding (HVXC)
  • Internet Low Bit Rate Codec (iLBC)
    • WebRTC
  • Improved Multi-Band Excitation (IMBE)
  • internet Speech Audio Codec (iSAC)
    • WebRTC
  • IP-MR used by SPIRIT DSP and many others
  • Mixed Excitation Linear Prediction (MELP)
  • Nellymoser Asao Codec
    • FFmpeg (libavcodec)
  • PT716, PT716plus
  • PT724
  • RALCWI (Robust Advanced Low Complexity Waveform Interpolation)
  • Relaxed Code Excited Linear Prediction (RCELP)
  • RTAudio - used by Microsoft Live Communication Server
  • SILK - used by Skype
  • Speex, patent free
    • libspeex
  • SVOPC - used by Skype
  • Triple Rate CODER (TRC) - used in some pocket recorders.
  • Vector Sum Excited Linear Prediction (VSELP)
  • OpenLPC
    • HawkVoice (libHVDI)
  • Voxware - used by Microsoft DirectPlay
  • Truespeech
    • FFmpeg (decoder only)
  • PDC-HR (PSI-CELP) used in ARIB RCR STD-27 (PDC)
  • Broadcom BroadVoice16/BroadVoice32

Text codecs

  • BiM
  • Continuous Media Markup Language (CMML)
  • MPEG-4 Part 17 (e.g. 3GPP Timed Text)
  • Ogg Kate
  • Ogg Writ
  • ttyrec

Video codecs

Main article: Video codec

Lossless compression[4]

  • Alpary
  • Animation (qtrle)
    • QuickTime
    • FFmpeg
  • ArithYuv
  • AVIzlib
    • LCL (VfW codec) MSZH and ZLIB [5]
    • FFmpeg
  • CamStudio GZIP/LZO
    • FFmpeg (decoder only)
  • Dirac lossless
    • libdirac
    • FFmpeg (decoder only)
  • FastCodec
  • FFV1 FFv1's compression factor is comparable to Motion JPEG 2000, but based on quicker algorithms (allows real-time capture). Written by Michael Niedermayer and published as part of FFmpeg under to GNU LGPL.
    • FFmpeg
  • H264 lossless
    • x264 (encoder only)
    • FFmpeg (decoder only, uses x264 for encoding)
  • Huffyuv Huffyuv (or HuffYUV) was written by Ben Rudiak-Gould and published under the terms of the GNU GPL as free software, meant to replace uncompressed YCbCr as a video capture format. It uses very little cpu but takes a lot of disk space.
    • FFmpeg
  • JPEG 2000 lossless
    • libopenjpeg
  • Lagarith A more up-to-date fork of Huffyuv is available as Lagarith.
    • Lagarith Codec (VfW codec)
    • FFmpeg (decoder only)
  • LOCO
    • FFmpeg (decoder only)
  • LZO
  • MSU Lossless Video Codec
  • PNG
    • CorePNG
    • FFmpeg
  • SheerVideo
  • Snow lossless
    • FFmpeg
  • TechSmith Screen Capture Codec (TSCC)[6]
    • FFmpeg (decoder only)
  • Ut Video [7][8]
    • FFmpeg
  • VMNC[9]
  • YULS
  • ZMBV (Zip Motion Block Video) Codec
    • FFmpeg
  • ZRLE used by VNC
  • Blackmagic codec

Lossy compression

General

Intra-only Codecs

  • MJPEG
    • FFmpeg
    • Morgan Multimedia M-JPEG
    • Pegasus PICVideo M-JPEG
    • MainConcept M-JPEG
  • JPEG 2000 intra frame video codec
    • libopenjpeg
    • FFmpeg (experimental)
  • Apple ProRes 422/4444
    • FFmpeg
  • AVC-Intra
    • FFmpeg
  • DV
    • FFmpeg
  • VC-2 SMPTE standard (a.k.a. Dirac Pro)
    • Schrödinger
    • dirac-research
  • VC-3 SMPTE standard
  • GoPro CineForm
  • REDCODE RAW - used by Red cameras
  • Grass Valley Codec


See also

Portal iconFree software portal

References

  1. ^ a b c 3GPP (2008-12-11) 3GPP TS 26.173 - AMR-WB speech Codec; version 8.0.0 Release 8, Retrieved 2009-09-09
  2. ^ 3GPP (2008-12-11) 3GPP TS 26.073 - AMR speech Codec; version 8.0.0 Release 8, Retrieved 2009-09-08
  3. ^ 3GPP (2008-12-18) 3GPP TS 26.273 - AMR-WB+ speech Codec; version 8.0.0 Release 8, Retrieved 2009-09-09
  4. ^ http://compression.ru/video/codec_com parison/lossless_codecs_2007_en.html
  5. ^ http://wiki.multimedia.cx/index.php?t itle=ZLIB
  6. ^ TechSmith Codecs
  7. ^ http://www.ffmpeg.org/trac/ffmpeg/tic ket/534
  8. ^ http://forum.doom9.org/archive/index. php/t-143624.html
  9. ^ http://wiki.multimedia.cx/index.php?t itle=VMNC
  10. ^ http://www.forbidden.co.uk/demos/live /

External links

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