System and method for improved quality signal re-sampling...

Details System and method for improved quality signal re-sampling... System and method for improved quality signal re-sampling...

2005-11-15

2005-11-15

Nguyen, John B (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

With error detection or correction

C375S240270, C714S746000

Reexamination Certificate

active

06965330

ABSTRACT:
A system and method to improve signal quality by including a weighted signal average in computations that calculate a regenerated signal's sampling values is presented. Secondary signal lobe values are removed from an original signal during signal re-sampling computations in order to minimize signal re-sampling memory requirements. A weighed signal average is included in signal re-sampling computations in order improve signal quality that was degraded due to the removal of the secondary signal lobe values. Weighted signal averages are calculated using error function values that are included in an error function. Each error function value corresponds to the distance between sample points of an original signal and the regenerated signal. The error function value is combined with the original signal's average signal value to produce a weighed signal average.

REFERENCES:
patent: 5742740 (1998-04-01), McCormack et al.
patent: 6654596 (2003-11-01), Jakobsson et al.
patent: 2002/0095273 (2002-07-01), Tanizawa
patent: 2003/0226098 (2003-12-01), Weng

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