Digital signal transcoder and method of transcoding a digital si

Details Digital signal transcoder and method of transcoding a digital si Digital signal transcoder and method of transcoding a digital si

1995-03-07

1997-03-11

Chin, Stephen

Pulse or digital communications

Pulse code modulation

341 61, 348443, 36471503, 3647241, H04N 701, H03M 700

Patent

active

056109423

ABSTRACT:
A method and device for transcoding a digital signal first oversamples the input signal, converts the sampling rate to an oversampled output signal, filters the signal to reduce unwanted bands and decimates the oversampled output signal to produce a transcoded signal having the target sampling rate. This allows the conversion to be implemented in the composite domain, requiring a single sampling rate converter, and significantly reduces the complexity of the filter required to filter the output signal.

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patent: 5444495 (1995-08-01), Takahama et al.

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