RTP payload format for AMR (draft-ietf-avt-rtp-amr-01.txt) - PowerPoint PPT Presentation

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RTP payload format for AMR (draft-ietf-avt-rtp-amr-01.txt)

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draft-sjoberg-avt-rtp-amr-01.txt. One Q bit per speech frame. A more complete motivation for the Q bit. The FT and LEN field shifted places ... – PowerPoint PPT presentation

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Title: RTP payload format for AMR (draft-ietf-avt-rtp-amr-01.txt)


1
RTP payload format for AMR(draft-ietf-avt-rtp-amr
-01.txt)
  • Johan Sjöberg, Ericsson
  • Magnus Westerlund, Ericsson
  • Ari Lakaniemi, Nokia
  • Petri Koskelainen, Nokia
  • Bernhard Wimmer, Siemens
  • Tim Fingscheidt, Siemens

2
Technical changes sincedraft-sjoberg-avt-rtp-amr-
01.txt
  • One Q bit per speech frame
  • A more complete motivation for the Q bit
  • The FT and LEN field shifted places
  • CMR changed from 4 to 3 bit
  • The robust sorting is now optional
  • Only the AMR DTX/CN scheme is allowed
  • Congestion control chapter added
  • Security chapter added
  • Storage mode based on RTP mode
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