Sampling rate converter

Details Sampling rate converter Sampling rate converter

1994-01-03

1996-01-02

Williams, Howard L.

Coded data generation or conversion

Digital code to digital code converters

Data rate conversion

3647241, H03M 700

Patent

active

054812674

ABSTRACT:
A sampling rate converter for converting a first signal having a first sampling rate to a second signal having a second sampling rate, includes a circuit for generating first data corresponding to the ratio of the second sampling rate to the first sampling rate. A second circuit generates second data by correcting the first data with corrective data. A third circuit generates third data corresponding to an estimated output timing of the second signal based upon the second data. A comparator compares the third data with a fourth data corresponding to the actual output timing of the second signal to generate comparative data. A corrective circuit is responsive to the comparative data to generate the corrective data. A further circuit is responsive to the first and third data for generating the second signal.

REFERENCES:
patent: 4748578 (1988-05-01), Lagadec et al.
patent: 4825398 (1989-04-01), Koch et al.
patent: 4896334 (1990-01-01), Sayar
patent: 4953117 (1990-08-01), Lagadec
patent: 5159338 (1992-10-01), Takahashi
patent: 5159339 (1992-10-01), Fujita
patent: 5398029 (1995-03-01), Toyama et al.

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