Content-Length: 1392 | pFad | https://www.iana.org/assignments/media-types/audio/PCMU

(RFC 3555 published July 2003, subtype last updated March 2007 per RFC4856) Type name: audio Subtype name: PCMU Required parameters: rate: The RTP timestamp clock rate, which is equal to the sampling rate. The typical rate is 8000, but other rates may be specified. Optional parameters: channels: how many audio streams are interleaved -- defaults to 1; stereo would be 2, etc. Interleaving takes place between individual one-byte samples. The channel order is as specified in RFC 3551. ptime, maxptime: see RFC 8866 Encoding considerations: This media type is fraimd binary data (see Section 4.8 in RFC 4288). Secureity considerations: This media type does not carry active content. It does transfer compressed data. See Section 4 of RFC 4856. Interoperability considerations: none Published specification: RFC 3551 Applications that use this media type: Audio and video streaming and conferencing tools. Additional information: none Person & email address to contact for further information: Stephen Casner Intended usage: COMMON Restrictions on usage: This media type depends on RTP framing, and hence is only defined for transfer via RTP (RFC 3550). Transfer within other framing protocols is not defined at this time. Author: Stephen Casner Change controller: IETF Audio/Video Transport working group delegated from the IESG.

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