Re: [music-dsp] meassuring the difference

2013-03-07 Thread Thomas Young
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 This (MSE) is a

Re: [music-dsp] meassuring the difference

2013-03-07 Thread robert bristow-johnson
On 3/7/13 10:10 AM, volker böhm wrote: dear all, i'm trying to meassure the difference between two equivalent but not identical processes. i sorta know know what you mean by this, maybe... but it would be interesting to see an articulated definition of what makes processes equivalent

Re: [music-dsp] meassuring the difference

2013-03-07 Thread volker böhm
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

Re: [music-dsp] meassuring the difference

2013-03-07 Thread volker böhm
On 07.03.2013, at 16:32, robert bristow-johnson wrote: now i'm looking for something to quantify the error signal. from statistics i know there is something like the mean squared error. so i'm squaring the error signal and take the (running) average. mostly i'm getting some numbers very

Re: [music-dsp] meassuring the difference

2013-03-07 Thread robert bristow-johnson
On 3/7/13 1:41 PM, volker böhm wrote: On 07.03.2013, at 16:32, robert bristow-johnson wrote: now i'm looking for something to quantify the error signal. from statistics i know there is something like the mean squared error. so i'm squaring the error signal and take the (running) average.