how to tell how much compression achieved?

if I use the haar wavelet transform how to tell how much compression achieved example: [x,fs] = audioread('brian.wav'); [c l] = wavedec(x,5,'haar'); c(l(1)+1:length(c))=0; a = waverec(c,l,'haar'); a the compressed file x the wav file

Answer 1

[Walter Roberson]

http://www.mathworks.com/matlabcentral/answers/315035-how-to-calculate-mse-and-psnr-of-compressed-images-which-are-compressed-by-singular-value-decompos#answer_245629