• Brian West's avatar
    RTP profile for audio and video conferences with minimal control. · b7ded398
    Brian West 提交于
    This memorandum is a revision of RFC 1890 in preparation for advancement
    from Proposed Standard to Draft Standard status. Readers are encouraged to
    use the PostScript form of this draft to see where changes from RFC 1890 are
    marked by change bars.
    
    "G722 is specified in ITU-T Recommendation G.722, "7 kHz audio-coding within
    64 kbit/s". The G.722 encoder produces a stream of octets, each of which
    SHALL be octet-aligned in an RTP packet. The first bit transmitted in the
    G.722 octet, which is the most significant bit of the higher sub-band
    sample, SHALL correspond to the most significant bit of the octet in the RTP
    packet.
    
    Even though the actual sampling rate for G.722 audio is 16000 Hz, the RTP
    clock rate for the G722 payload format is 8000 Hz because that value was
    erroneously assigned in RFC 1890 and must remain unchanged for backward
    compatibility. The octet rate or sample-pair rate is 8000 Hz."
    
    
    
    
    git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@2523 d0543943-73ff-0310-b7d9-9358b9ac24b2
    b7ded398
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