i want to show that the audios are not same. how will i compare both the audio?

engine=audioread('engine.mp3')

defect=audioread('defect.mp3')

Answer 1

[Mridul G]

I think Fast Fourier Transform (FFT) can be used for comparison. FFT is an algorithm for converting a time-domain signal into a frequency-domain representation of the relative amplitude of different frequency regions in the signal.

Steps you need to follow

Step 1: Load audio files – Read in two audio files into the workspace.

Step2: Truncate both signals so that their durations are equivalent.

Step 3: Perform FFT – Compute normalized energy spectral density (ESD) from DFT's two signals

Step 4: Compute mean-square-error (MSE)

– Compute mean-square-error (MSE) between normalized ESD's of two signals

– Two perfectly identical signals will obviously have MSE of zero.