Communications device with asynchronous sample rate converter

Details Communications device with asynchronous sample rate converter Communications device with asynchronous sample rate converter

2006-09-29

2008-03-04

Mai, Lam T. (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

Data rate conversion

C341S060000, C375S346000, C455S230000

Reexamination Certificate

active

07339504

ABSTRACT:
An asynchronous sample rate converter including a feedback loop configured to generate a control signal corresponding to an output sample rate that is synchronous with an output clock signal and a normalized time distance value corresponding to a plurality of input samples and an interpolator configured to generate an output sample in response to receiving the control signal using the normalized time distance value and outputs of at least two polyphase filter components that are generated from at least the plurality of input samples is provided.

REFERENCES:
patent: 6426983 (2002-07-01), Rakib et al.
patent: 6590510 (2003-07-01), Woog
patent: 7062241 (2006-06-01), Kruger et al.
patent: 7167112 (2007-01-01), Andersen et al.

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