MATLAB: How can find decibal sampl for audio loudness deciabl Iam read audio file and ineed to comput loudness sample in audio Best Answer See if the Signal Processing Toolbox mag2db function will do what you want. Note that it is necessary to use the absolute value of the argument: xdB = mag2db(abs(x));. Related SolutionsMATLAB: Frequency and Sampling Frequency This is more a philosophical question than a mathematical one. The frequency of the original signal remains ‘fs’ regardless, The frequency of the generated tone is whatever is passed to the sound function, here either ‘fs’ or ‘2*fs’. At least that is the way I interpret it. MATLAB: Changing intensities (dB) of a sound file at certain frequencies See my Answer to your duplicate Question on this topic: http://www.mathworks.com/matlabcentral/answers/290073-amplify-and-dampen-certain-frequencies Related QuestionMATLAB to calculate .wav file intensityFiltering out high frequency noise of an audio fileHighpass Filter Sound Help
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