how to calculate mse and psnr of compressed audio?

I want to calculate the mse and psnr of the 2 audio

Answer 1

[Lipi]

Assuming that you have a reference signal and another compressed one, you can use the inbuilt MATLAB functions to calculate both MSE and PSNR of the two audio signals. It might help to refer to the MATLAB documentation for the same:

https://www.mathworks.com/help/images/ref/immse.html

https://www.mathworks.com/help/images/ref/psnr.html

Answer 2

[Alvaro Montesinos]

And how can u convert the audio file to an image for this?