Digital coding process for recording sound channels with a...

Details Digital coding process for recording sound channels with a... Digital coding process for recording sound channels with a...

H - Electricity

04

N

352/17, 350/37,

H04N 5/76 (2006.01) G06F 11/18 (2006.01) G11B 20/18 (2006.01) H04N 5/92 (2006.01)

Patent

CA 1148261

A DIGITAL CODING PROCESS FOR RECORDING SOUND CHANNELS WITH A TELEVISION SIGNAL AND APPARATUS REALIZING THIS PROCESS Abstract of the Disclosure In an audiovisual signals diffusion apparatus, a digital coding process for protecting coded digital sound signals alternately recorded with video signals against alterations or deteriorations encountered during the transcription process onto a recording carrier or support, comprising the steps of selec- tively protecting signals representing low analog levels against large erroneous variations, transmit- ting several times the thus protected signals and garbling the different bits of successively transmitted digital signals, said process being compatible with the multiplexed recording of several sound channels.

338433

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