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Sample rate conversion

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Sample rate conversion

by Kirty Vedula

 

08 Jul 2013 (Updated 15 Jul 2013)

Convert sample rates at ease using GUI Lite 2.5

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Description

Speech and audio waveforms are generally sampled at a number of standard rates, including 6000, 6667, 8000, 10000, 16000, 20000, 22050 and 44100 Hz. Often speech processing (within a MATLAB m-file) expects speech or audio to be sampled at only one of these standard rates. Hence if the sampling rate for an input signal to a MATLAB algorithm or application is not the required rate, it is often necessary to convert the sampling rate, do the processing at the specified rate, and convert back to the original sampling rate (e.g., for a speech processing algorithm).

This MATLAB exercise provides a simple sampling rate converter between standard sampling rates of 6000, 6667, 8000, 10000, 16000, 20000, 22050 and 44100 Hz, as well as between any pair of sampling rates that have a least common multiple that is an integer.

Required Products MATLAB
MATLAB release MATLAB 8.0 (R2012b)
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Updates
15 Jul 2013

Description about the file updated

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