Opus Interactive Audio Codec

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    What is Opus Interactive Audio Codec?

    Opus is a totally open, royalty-free, highly versatile audio codec. Opus is unmatched for interactive speech and music transmission over the Internet, but also intended for storage and streaming applications. It is standardized by the Internet Engineering Task Force (IETF) as RFC 6716 which incorporated technology from Skype's SILK codec and Xiph.Org's CELT codec.

    Technology

    Opus can handle a wide range of audio applications, including Voice over IP, videoconferencing, in-game chat, and even remote live music performances. It can scale from low bit-rate narrowband speech to very high quality stereo music. Supported features are:

    Bit-rates from 6 kb/s to 510 kb/s
    Sampling rates from 8 kHz (narrowband) to 48 kHz (fullband)
    Frame sizes from 2.5 ms to 60 ms
    Support for both constant bit-rate (CBR) and variable bit-rate (VBR)
    Audio bandwidth from narrowband to full-band
    Support for speech and music
    Support for mono and stereo
    Support for up to 255 channels (multistream frames)
    Dynamically adjustable bitrate, audio bandwidth, and frame size
    Good loss robustness and packet loss concealment (PLC)
    Floating point and fixed-point implementation

    You can read the full specification, including the reference implementation, in RFC 6716.
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    Comments and Reviews Post a comment / review
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    Azazel
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    • Top positive comment  11 months ago • 0 replies
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    The best codec for podcasts or any other talking-heavy content.

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    Apaosha
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    • Top positive comment  about 9 years ago • 0 replies
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    Seems to be very promising. First tests were really good. Nice compression, and excellent quality. Looking forward to it.

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    Tags

    • Audio Codec
    • ietf

    List containing Opus Interactive Audio Codec

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    Opus Interactive Audio Codec

    Links and Download

     Official Website
    Opus Interactive Audio Codec

    Summary

    Our users have written 2 comments and reviews about Opus Interactive Audio Codec, and it has gotten 35 likes

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    Opus Interactive Audio Codec was added to AlternativeTo by Apaosha on Sep 17, 2012 and this page was last updated Dec 7, 2021. Opus Interactive Audio Codec is sometimes referred to as Opus.

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