Sample rate converter and method to perform sample rate...

Details Sample rate converter and method to perform sample rate... Sample rate converter and method to perform sample rate...

2007-08-01

2009-02-10

Barnie, Rexford (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

Data rate conversion

C711S118000, C713S169000, C714S776000

Reexamination Certificate

active

07489259

ABSTRACT:
Embodiments of a sample rate converter and method for sample rate conversion are generally described herein. In some embodiments, an interpolation module calculates new digital samples for insertion into a digital sample ring, a cache module provides input digital samples of a digital sample stream to the interpolation module, and a control module maintains and provides state information to the interpolation module and the cache module. Based on pitch parameters, the control module provides the interpolation module a fractional portion of an address for use in calculating the new digital samples and provides the cache module with an integer portion of the address and an address increment.

REFERENCES:
patent: 6858790 (2005-02-01), Rossum

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