Real-time Spectrum Analysis
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Parth Tarabadkar
le 17 Oct 2018
Commenté : Honglei Chen
le 15 Nov 2018
I want to develop a Real-time Audio Spectrum Analyzer, input to which, needs to be given through a microphone. I know that Spectral Analysis can be done in MATLAB, but can this be done for live (real-time) input? How?
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Honglei Chen
le 17 Oct 2018
You can use Spectrum Analyzer to do this.
https://www.mathworks.com/help/dsp/ref/dsp.spectrumanalyzer-system-object.html
Look at the examples in the above page. The signal are fed into the analyzer in batch mode. You can just replace those signals with the one you get from the microphone.
HTH
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Honglei Chen
le 15 Nov 2018
In that case, I'd suggest you to use pspectrum instead of spectrum analyzer to retrive the number.
HTH
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