Method and system for the arrangement of vocoder data for the ma

Details Method and system for the arrangement of vocoder data for the ma Method and system for the arrangement of vocoder data for the ma

1994-02-14

1997-02-04

MacDonald, Allen R.

395 233, G01L 900

Patent

active

056007540

ABSTRACT:
A method and system by which parameter data representative of vocoded speech are organized into a data packet for transmission so as to reduce the impact of transmission channel induced errors on the data packet. A data packet is constructed with certain most perceptually significant bits of parameter data at the beginning of the data packet. Following in the data packet are lesser perceptually significant bits of the same parameter data. Other parameter data then follows in the data packet. Interleaved in the data packet following the most perceptually significant bits at the beginning of the data packet are most perceptually significant bits of other parameter data. A parity check code is computed from the most perceptually significant bits in the data packet and also interleaved in the data packet following the most perceptually significant bits at the beginning of the data packet.

REFERENCES:
patent: 4617676 (1986-10-01), Jayant et al.
patent: 4726037 (1988-02-01), Jayant
patent: 4903301 (1990-02-01), Kondo et al.
patent: 4922537 (1990-05-01), Frederiksen
patent: 5414796 (1996-05-01), Jacobs et al.

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