Method, system and apparatus for providing signal based...

Details Method, system and apparatus for providing signal based... Method, system and apparatus for providing signal based...

2011-04-19

2011-04-19

Moe, Aung S (Department: 2474)

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

C370S516000, C704S213000, C704S215000, C704S248000, C455S063100, C455S067130

Reexamination Certificate

active

07929520

ABSTRACT:
In a method, apparatus and system for transmitting packet loss concealment (PLC) information, a subscriber device divides a voice sample into a plurality of packets, each including a plurality of successive frames having portions of the voice sample. The subscriber device determines if a predetermined look ahead time duration from the final frame of the plurality of successive frames in a current packet of the plurality of packets includes a noise to voice transition. When the predetermined look ahead time duration is determined to include the noise to voice transition, the subscriber device packs packing information regarding the predetermined look ahead time duration into the current packet. Finally, the subscriber device encodes the plurality of successive frames into the current packet for transmission.

REFERENCES:
patent: 2003/0198195 (2003-10-01), Li
patent: 2004/0204935 (2004-10-01), Anandakumar et al.
patent: 2005/0091048 (2005-04-01), Thyssen et al.
patent: 2006/0106598 (2006-05-01), Trombetta et al.
patent: 2006/0182086 (2006-08-01), Dowdal et al.
patent: 2007/0121586 (2007-05-01), Lee et al.
Sollaud, RFC 4749—RTP Payload Format for the G.729.1 Audio Codec, Oct. 2006, IETF.

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