Multi-stage sample rate converter

Details Multi-stage sample rate converter Multi-stage sample rate converter

2007-06-19

2007-06-19

JeanPierre, Peguy (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

Data rate conversion

C341S143000

Reexamination Certificate

active

11422071

ABSTRACT:
Architectures of multi-stage sample rate converters are disclosed. According to one aspect of the present invention, a received signal with a higher sampling rate is converted to a lower sampling rate. To prevent aliasing in the resultant signal, an anti-aliasing filter is introduced. The passband of the anti-aliasing filter is so adjusted according to the conversation rate of a sample rate converter. To keep the implementation relatively simple, the coefficients of the filter are kept constant. Therefore, the conversation rate of a sample rate converter is constrained in a limited range, thus requiring only a constant anti-aliasing filter. A series of halfband filters are then used to convert the signal to a desired sampling rate.

REFERENCES:
patent: 5727074 (1998-03-01), Hildebrand
patent: 5987145 (1999-11-01), Lawton
patent: 6208671 (2001-03-01), Paulos et al.
patent: 6413217 (2002-07-01), Mo
patent: 6531970 (2003-03-01), McLaughlin et al.
patent: 6747858 (2004-06-01), Sculley et al.
patent: 7057627 (2006-06-01), MacInnis et al.
patent: 7183949 (2007-02-01), Park
patent: 2005/0117069 (2005-06-01), McNeely

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