Apparatus and method for sampling rate conversion

Details Apparatus and method for sampling rate conversion Apparatus and method for sampling rate conversion

1994-01-03

1996-02-27

Envall, Jr., Roy N.

Boots, shoes, and leggings

375122, 375240, 370 70, 370 84, G06F 1714, H04J 102, H04J 322, H04B 166

Patent

active

054954320

ABSTRACT:
The present invention teaches a data processing system capable of performing a sampling frequency conversion. The data processing system includes a data receiving means for receiving a plurality of input data sampled at a first frequency. The data processing system further includes a discrete transforming means for performing a discrete transform on the input data at the first sampled frequency for transforming the input data to a discrete function in a second-variable-domain at the first sampling frequency. The data processing system further includes a convoluted inverse transforming means for inversely transforming the discrete function in a second-variable-domain back to the time domain at a second sampling frequency for converting the input data to a set corresponding data sampled at the second sampling frequency.

REFERENCES:
patent: 4241443 (1980-12-01), Sakaki et al.
patent: 4636972 (1987-01-01), Boland
patent: 4870661 (1989-09-01), Yamada et al.
patent: 5068176 (1991-11-01), Takayama et al.

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