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Xiph.Org Foundation

We develop free and open media codecs

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  1. rnnoise rnnoise Public

    Recurrent neural network for audio noise reduction

    C 4.5k 934

  2. rav1e rav1e Public

    The fastest and safest AV1 encoder.

    Assembly 3.8k 259

  3. opus opus Public

    Modern audio compression for the internet.

    C 2.5k 657

  4. flac flac Public

    Free Lossless Audio Codec

    C 1.9k 301

  5. LPCNet LPCNet Public

    Efficient neural speech synthesis

    C 1.2k 294

  6. daala daala Public

    Modern video compression for the internet

    C 548 102

Repositories

Showing 10 of 36 repositories
  • opus Public

    Modern audio compression for the internet.

    xiph/opus’s past year of commit activity
    C 2,516 657 123 19 Updated Apr 4, 2025
  • rav1e Public

    The fastest and safest AV1 encoder.

    xiph/rav1e’s past year of commit activity
    Assembly 3,833 BSD-2-Clause 259 205 (3 issues need help) 43 Updated Apr 4, 2025
  • ogg Public

    Reference implementation of the Ogg media container

    xiph/ogg’s past year of commit activity
    C 369 BSD-3-Clause 175 8 10 Updated Apr 3, 2025
  • theora Public

    Reference implementation of the Theora video compression format. Mirror of https://gitlab.xiph.org/xiph/theora

    xiph/theora’s past year of commit activity
    C 107 73 2 1 Updated Apr 3, 2025
  • speex Public

    Speex voice codec mirror - THIS IS A MIRROR, DEVELOPMENT HAPPENS AT https://gitlab.xiph.org/xiph/speex

    xiph/speex’s past year of commit activity
    C 460 165 6 4 Updated Apr 2, 2025
  • opus-tools Public

    A set of tools to encode, inspect, and decode audio in the Opus format.

    xiph/opus-tools’s past year of commit activity
    C 233 82 37 (1 issue needs help) 6 Updated Mar 21, 2025
  • flac Public

    Free Lossless Audio Codec

    xiph/flac’s past year of commit activity
    C 1,881 GFDL-1.3 301 35 11 Updated Mar 16, 2025
  • flac-website Public

    Homepage for the Free Lossless Audio Codec

    xiph/flac-website’s past year of commit activity
    HTML 3 5 0 0 Updated Mar 16, 2025
  • rd_tool Public
    xiph/rd_tool’s past year of commit activity
    Python 20 BSD-2-Clause 29 9 9 Updated Feb 26, 2025
  • rnnoise Public

    Recurrent neural network for audio noise reduction

    xiph/rnnoise’s past year of commit activity
    C 4,480 BSD-3-Clause 934 172 19 Updated Feb 22, 2025
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