Sampling frequency converter

Details Sampling frequency converter Sampling frequency converter

1989-04-04

1991-02-05

Shoop, Jr., William M.

Coded data generation or conversion

Sample and hold

Having variable sampling rate

341 54, 328 15, 328 55, H03M 186

Patent

active

049909118

ABSTRACT:
A relatively simplified sampling frequency converter for use in a format conversion apparatus is operative to convert sampled input data of an input sampling frequency into sampled output data of an output sampling frequency. The converter has an over-sampling circuit for increasing the sampling frequency of the sampled input data by a predetermined factor or coefficient to provide over-sampled data; an output data extractor for periodically extracting data from the over-sampled data in response to a timing pulse having the output sampling frequency; and a controller for controlling the phase of the timing pulse which controls the phase of the sampled output data.

REFERENCES:
patent: 4301446 (1981-01-01), Petit
patent: 4528551 (1985-07-01), Agrawal
patent: 4684925 (1987-08-01), Maruta

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