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A High-Quality, Energy Optimized, Real-Time Sampling Rate Conversion Library for the StrongARM Microprocessor

Mar, Chung-Tse; Hans, Mat C.; Smith, Mark T.; Simunic, Tajana; Schafer, Ronald W.


Keyword(s): digital signal processing; sample rate conversion; audio; StrongARM

Abstract: This paper presents a digital audio sampling rate conversion library that converts between arbitrary sampling frequencies. The library is implemented as a time-varying fractional delay filter with coefficients stored in a lookup table. It is designed for use by real-time applications and optimized for execution on Intel's StrongARM microprocessor.

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