diff --git a/doc/ietf/draft-valin-celt-rtp-profile.xml b/doc/ietf/draft-valin-celt-rtp-profile.xml index b037050d..ab754698 100644 --- a/doc/ietf/draft-valin-celt-rtp-profile.xml +++ b/doc/ietf/draft-valin-celt-rtp-profile.xml @@ -84,7 +84,7 @@ CELT stands for "Constrained Energy Lapped Transform". It applies some of the CE Support for both voice and music Stereo support Packet loss concealment -Constant bitrates from 32 kbps to 128 kbps and above +Constant bitrates from under 32 kbps to 128 kbps and above Free software/open-source @@ -665,6 +665,10 @@ range of 96-127. CELT allows for bitrate adjustment in one byte per frame increments without any signaling requirement or overhead. Applications SHOULD utilize congestion control to regulate the transmitted bitrate. +In some applications it may make sense to increase the packetization +interval rather than decreasing the codec bitrate. Congestion control +implementations should consider the users differential tolerance for high +latency and low quality.