On 07.03.2013, at 16:27, Thomas Young wrote:

> Your mean square error procedure is slightly incorrect. You should take the 
> final signals from both processes, say A[1..n] and B[1..n], subtract them to 
> get your error signal E[1..n], then the mean square error is the sum of the 
> squared error over n.
> 
> Sum( E[1..n]^2 ) / n

that's what i'm doing, no?


> 
> This (MSE) is a statistical approach though and isn't necessarily a great way 
> of measuring perceived acoustical differences.

yes, this is what i'm suspecting.
> 
> It depends on the nature of your signal but you may want to check the error 
> in the frequency domain (weighted to specific frequency band if appropriate) 
> rather than the time domain.

thanks.
will have to think a little bit about it.
volker



--
dupswapdrop -- the music-dsp mailing list and website:
subscription info, FAQ, source code archive, list archive, book reviews, dsp 
links
http://music.columbia.edu/cmc/music-dsp
http://music.columbia.edu/mailman/listinfo/music-dsp

Reply via email to