"adpcm transcoder"

Details "adpcm transcoder" "adpcm transcoder"

H - Electricity

03

M

H03M 7/00 (2006.01) H03M 7/38 (2006.01) H04Q 7/30 (2006.01)

Patent

CA 2216011

Known ADPCM transcoders use processors for coding and decoding, which are time and power consuming. Such a known ADPCM transcoder comprising one processor for coding and decoding can handle four channels, while according to DECT twelve channels need to be available, which requires three known ADPCM transcoders. By delaying signals in an ADPCM transcoder, it is no longer necessary to use processors, but, instead of said processors, logic elements can be used, which is very advantageous, because of such an ADPCM transcoder being able to handle sixteen channels.

Les transcodeurs ADPCM connus utilisent, pour le codage et le décodage, des processeurs lents et à forte consommation d'énergie. Ainsi, un de ces transcodeurs, doté d'un processeur pour le codage et le décodage, peut traiter quatre canaux, alors que, pour le DECT, douze canaux doivent être disponibles, ce qui exige trois transcodeurs ADPCM connus. En différant les signaux dans un transcodeur ADPCM, on peut remplacer les processeurs par des éléments logiques, ce qui est très avantageux, car un seul transcodeur ADPCM peut alors traiter seize canaux.

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