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How to plot Sound Pressure Level data from an audio file(*.wav)

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Harindu Kodithuwakku 2018-4-13

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回答： bidyut mandi 2018-4-13

I've got few audio files that I want to plot in frequency domain . Most of the examples shown in the internet plots samples Vs. Frequency. But, I want to plot Sound Power(dB/Hz) Vs. Frequency (Hz). Can somebody pls help me plot this? I dont mind a code or on simulink

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bidyut mandi 2018-4-13

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Please check this link it will help https://in.mathworks.com/help/signal/ug/power-spectral-density-estimates-using-fft.html

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