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Web audio codec guide - Web media technologies | MDN
https://developer.mozilla.org/en-US/docs/Web/Media/Formats/Audio_codecs
Downloads – Opus Codec
https://opus-codec.org/downloads/
opus-tools 0.2 Sep 18, 2018. In this release the Opus decoder opusdec has been converted to use the opusfile library, and the Opus encoder opusenc has been converted to use the libopusenc library. These libraries make it easy to robustly read and write Ogg Opus audio files, and enable some new features. Both libraries are available on the ...
Codecs used by WebRTC - Web media technologies | MDN
https://developer.mozilla.org/en-US/docs/Web/Media/Formats/WebRTC_codecs
The Opus format, defined by RFC 6716 is the primary format for audio in WebRTC. The RTP payload format for Opus is found in RFC 7587. You can find more general information about Opus and its capabilities, and how other APIs can support Opus, in the corresponding section of our guide to audio codecs used on the web.
Opus audio codec version 1.2 released : firefox
https://www.reddit.com/r/firefox/comments/6jlnhl/opus_audio_codec_version_12_released/
Opus audio codec version 1.2 released. Close. 59. Posted by. Firefox Beta for Android. 5 years ago. Archived. Opus audio codec version 1.2 released. ... Firefox has supported Opus playback since 15 (August 2012). 1.2 is in the nightlies. Or are you referring to playback in a desktop music program or encoding Opus files? 4.
Opus Codec - Opus Interactive Audio Codec
Opus is a totally open, royalty-free, highly versatile audio codec. speech and music transmission over the Internet, but is also intended for storage and streaming It is standardized by the Internet Engineering Task Force (IETF) as RFC 6716which incorporated technology from Skype’s SILK codec and Xiph.Org’s CELT codec. Technology
Audio FEC Experimentation - Advancing WebRTC
https://blog.mozilla.org/webrtc/audio-fec-experiments/
We recently enabled Forward Error Correction (FEC) for audio streams in Firefox’s WebRTC implementation using the built in support provided by the Opus codec. FEC creates a redundant, low bitrate encoding of audio that can be used to recreate lost packets.
Opus (audio format) - Wikipedia
https://en.wikipedia.org/wiki/Opus_(audio_format)
Opus was originally specified for encapsulation in Ogg containers, specified as audio/ogg; codecs=opus, and for Ogg Opus files the .opus filename extension is recommended. Opus streams are also supported in Matroska, WebM, MPEG-TS, and MP4. Alternatively, each Opus packet may be wrapped in a network packet which supplies the packet length.
Supported Audio Constraints in getUserMedia()
https://blog.addpipe.com/audio-constraints-getusermedia/
Opus is now the default codec for encoding sound in Chrome, Firefox and Safari 11. Opus is a great audio codec. It’s open, royalty free and so flexible it can encode (fullband) music better than the AAC encoder in iTunes but also encode narrowband voice with a latency that’s lower than any other codec’s. Tsahi Levent Levi has a great blog post on why Opus is so …
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