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RTC-Web Codec & Media Processing. IETF 82 Cary Bran - Plantronics. 01 - Submission Info. draft-cbran-rtcweb-codec- 01 Removed OPTIONAL video and audio codecs Updated video codec section Small change to WebRTC client requirements. Media Processing.

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Rtc web codec media processing

RTC-Web Codec & Media Processing

IETF 82

Cary Bran - Plantronics


01 submission info
01 - Submission Info

draft-cbran-rtcweb-codec-01

  • Removed OPTIONAL video and audio codecs

  • Updated video codec section

  • Small change to WebRTC client requirements


Media processing
Media Processing

Proposed media processing functionality that SHOULD available in the WebRTCendpoint.

  • Automatic gain control

  • Echo cancellation, including acoustic echo cancellation

  • Headset detection

  • Call control event notification to connected devices such as headsets

  • Auto-adjustments to gain control and echo cancellation algorithms based on if headset or internal speakers/microphone is being used


Audio codec
Audio Codec

REQUIRED audio codecs.

  • PCMA/PCMU - 1 channel with a rate of 8000 Hz and a ptime of 20 - 4.5.14 of [RFC3551]

  • DTMF Events as per RFC4733

  • Opus [draft-ietf-codec-opus]

    Removed OPTIONAL audio codecs


Video codec
Video Codec

REQUIRED video codec

H.264 baseline profile is REQUIRED…. IF

The MPEG-LA issues an intent to offer H.264 baseline profile on a royalty free basis for use in browsers* before March 15, 2012.

OTHERWISE

The REQUIRED video codec will be VP8

*Browser means devices implementing User Agent behavior for W3C HTML5 or WebRTC


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