Lip Synchronization

Lip Synchronization

Example adapted from section 6.1 of RFC 3388.

A session description of a conference that is being multicast. First and the second media streams MUST be synchronized.

<prev=0 o=Laura 289083124 289083124 IN IP4 one.example.com t=0 0 c=IN IP4 224.2.17.12/127 a=group:LS 1 2 m=audio 30000 RTP/AVP 0 i=voice of the speaker who speaks in English a=mid:1 m=video 30002 RTP/AVP 31 i=video component a=mid:2 m=audio 30004 RTP/AVP 0 i=This media stream contains the Spanish translation a=mid:3

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Slide Notes

Camarillo, G. Eriksson, J. Holler, and H. Schulzrinne, Grouping of Media Lines in the Session Description Protocol (SDP), IETF RFC 3388, December 2002, http://www.ietf.org/rfc/rfc3388.txt Links to an external site.

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Transcript

[slide201] So here's how we can manage to have a voice component and a video component, and then we can have a separate media component.