Sampling frequency converting system and a method thereof

Details Sampling frequency converting system and a method thereof Sampling frequency converting system and a method thereof

1997-11-04

1999-05-11

Mai, Tan V.

Boots, shoes, and leggings

341 61, G06F17/17

Patent

active

059034823

ABSTRACT:
An over-sampling device is provided for double over-sampling the input signal and for outputting as a sampling signal. The sampling signal is filtered at one of conversion rates of 147/160, 160/147, and 1/1 by using a prototype filter, based on the first sampling frequency and the second sampling frequency, and a filtering signal is produced. The filtering signal is filtered by a low pass filter having a predetermined cutoff frequency band, and a low frequency signal is produced. A down-sampling device is provided for down-sampling the low frequency signal by one half.

REFERENCES:
patent: 5432551 (1995-07-01), Sadjadian et al.
patent: 5481568 (1996-01-01), Yada
patent: 5497152 (1996-03-01), Wilson et al.
patent: 5621404 (1997-04-01), Heiss et al.

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