Control mechanism for adaptive play-out with state recovery

Details Control mechanism for adaptive play-out with state recovery Control mechanism for adaptive play-out with state recovery

2011-01-04

2011-01-04

Tran, Phuc (Department: 2471)

Multiplex communications

Communication techniques for information carried in plural...

Combining or distributing information via time channels

C375S232000

Reexamination Certificate

active

07864814

ABSTRACT:
A control logic means preferably for a receiver comprising a jitter buffer means adapted to receive and buffer incoming frames or packets and to extract data frames from the received packets, a decoder connected to the jitter buffer means adapted to decode the extracted data frames, and a time scaling means connected to the decoder adapted to play out decoded speech frames adaptively. The control logic means comprises knowledge of whether a state recovery function is available and is adapted to retrieve at least one parameter from at least one of the jitter buffer means, the time scaling means, and the decoder, to adaptively control at least one of an initial buffering time of said jitter buffer means, the knowledge of the availability of the state recovery function, and a time scaling amount of said time scaling means from the time scaling means or the decoder.

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Serizawa, M, et al. “A packet loss recovery method using packet arrived behind the playout time for CELP decoding” 2002 IEEE Int'l Conf on Acoustics, Speech and Signal Processing Proceedings, (ICASSP). Orlando, FL. May 13-17, 2002 vol. 4 of 4 pp. I-169/I-172 ISBN:0-7803-7402-9.

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