Question #681693 on rohc changed:
https://answers.launchpad.net/rohc/+question/681693
Status: Needs information => Open
Mohammad Abyan Abdullah gave more information on the question:
Hi!!
No its not an ROHC standard. Its a voice codec feature. Which we can find on
G711 ,SPEEX etc codec. As stated at this site
http://what-when-how.com/voip/decoder-only-based-plc-techniques-voip/
Insertion-based scheme repairs packet losses by inserting fill-in packets
[Goodman et al. (1986) , Wasem et al. (1988)]. The fill–n is usually of simple
silence, noise, or repetition of the previous packet. These techniques are easy
to implement.
Since ROHC can detect packet losses can we cache the old good packets of
the last rtp sequence and dispatch that packet as replacement for the
expected next sequence packet ?
Like
Listener is getting RTP packets as sequence
50--51--52--53--LOST--LOST--56--57
Can we put the 53 Seq no Packets in place of LOST 54 and 55 ? That way
some times for frequent RTP Lost scenario that RTP session doesnt break down
so soon.
Regards
Abyan
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