RMS amplitude

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Sonia Wiemann
Sonia Wiemann il 17 Apr 2012
Commentato: dpb il 19 Lug 2024
How can I divide a sound wave by its rms amplitude?

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Geoff
Geoff il 17 Apr 2012
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 il 19 Lug 2024
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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