Multi-channel transcoder rate adapter having low delay and integ

Details Multi-channel transcoder rate adapter having low delay and integ Multi-channel transcoder rate adapter having low delay and integ

1996-07-11

1998-11-10

Olms, Douglas W.

Multiplex communications

Duplex

Transmit/receive interaction control

370292, 370347, 370468, 370914, 370545, 379410, H09B 323

Patent

active

058354867

ABSTRACT:
A multi-channel transcoder with rate adapter converts the data rate of GSM and PSTN network data in a multi-channel network. A transcoder having echo-cancellation features uses the robust voice activity detection functions of the GSM transcoder functions to enhance the accuracy of echo-cancellation of near-end signals. A method for decoding a GSM signal in which the transmission of the audio data over the network is commenced prior to the completing of the decoding process. A transcoder unit having rate adaption and echo-cancellation with improved decoding is implemented in a single DSP and processes multiple traffic channels simultaneously.

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