Patent ID: 6324503
Filing Date: 2001-11-27
Classification: G10L

Abstract:
A speech coding system, comprising:a first speech coder including a first encoder and a first decoder; anda second speech coder including a second encoder and a second decoder,wherein the first encoder is configured to encode packets of speech frames and transmit the packets across a communication channel to the second decoder, the second decoder is configured to receive and decode packets and to send a signal to the second encoder if a transmitted frame is not received by the second decoder, the second encoder is configured to encode and transmit packets and to modify a packet in response to the signal from the second decoder, the first decoder is configured to receive and decode packets and to send a signal to the first encoder upon receiving a modified packet from the second encoder, and the first encoder is further configured to encode a packet using a modified encoding format in response to the signal from the first decoder.