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RMS amplitude

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Sonia Wiemann
Sonia Wiemann 2012-4-17
评论： dpb 2024-7-19，14:36
How can I divide a sound wave by its rms amplitude?

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Geoff
Geoff 2012-4-17
I gave an answer today that required an RMS calculation.
http://www.mathworks.com.au/matlabcentral/answers/35658-how-can-i-calculate-the-signal-to-noise-ratio-snr-of-a-signal
You can make a throw-away function for RMS:
RMS = @(x) sqrt(mean(x.^2));
And then to answer your question:
signal = signal / RMS(signal);
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dpb
dpb 2024-7-19，14:36
Stumbled on this from suggested links -- beginning with R2012a the Signal Processing TB contains rms which was subsequently moved into MATLAB proper with R2022a.

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