| 摘要 |
A method for operating a vocoder system comprising receiving a first negative acknowledgement from a receiving communication device 120 indicative of a corrupted first speech packet transmission (S702) and retrieving a first speech packet associated with the first negative acknowledgement (S706), compressing the first speech packet to form a replacement speech packet (S714 - S720), encoding a current segment of speech responsive to the first negative acknowledgement to form a current speech packet (S704, S808), combining the current speech packet with the replacement speech packet to form a combined speech packet (S720) and transmitting the combined speech packet (S814).
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