Re: [music-dsp] Implementation of Large/Kolen beat tracking perceptual model

2011-02-02 Thread volker böhm
fwiw, there is a short description of adaptive oscillators (incl. large/kolen) and some code in robert rowe's 'machine musicianship'. cheers, volker. On 01.02.2011, at 17:27, Dan Stowell wrote: Hi - I'm looking for an implementation of Edward Large's beat tracking perceptual model, as

Re: [music-dsp] compensating for LPF phase delay in damped karplus strong/comb filter

2012-07-24 Thread volker böhm
On 23.07.2012, at 10:52, Oli Larkin wrote: Can anyone here advise me how I can precisely compensate for pitch dependant detuning when my damping filter is active in a tuned comb filter? I'm trying to implement a damping control that doesn't alter the fundamental frequency of the comb

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