Sample rate conversion between asynchronous digital systems

Details Sample rate conversion between asynchronous digital systems Sample rate conversion between asynchronous digital systems

1997-05-01

1999-04-06

Malzahn, David H.

Boots, shoes, and leggings

G06F 1710

Patent

active

058926941

ABSTRACT:
A method and implementing system includes transmitting a sampled and digitized source analog signal which is sampled for transmission at a rate of FT, to a receiving device and converting the received signal by a first sample rate converter circuit which is effective to multiply the sample rate FT by a first factor "N". The converted signal is then processed by a receiver sampler circuit and applied to a second sample rate converter circuit operating at a rate of a receiver frequency FR. The second sample rate converter circuit is effective to divide the processed signal by a second factor "M". The signal is then processed by a digital to analog converter and filtered to filter out the spurious components and provide a reproduction of the source analog signal.

REFERENCES:
patent: 4020332 (1977-04-01), Crochiere et al.
patent: 4472785 (1984-09-01), Kasuga
patent: 5355328 (1994-10-01), Arbeiter et al.
patent: 5383144 (1995-01-01), Kato
patent: 5461604 (1995-10-01), Hasegawa

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