On 11/05/2015, Peter S <peter.schoffhau...@gmail.com> wrote: > By the way, > the 'decay time' is also well defined in case of one-pole filters, and > is called 'time constant'
dspguide.com gives the following time constant formula for one pole filters: x = exp ( -1 / d ) where d is the desired decay time (to ~36.8%) in samples, and x is the feedback coefficient. See equation 19-4 at: http://www.dspguide.com/ch19/2.htm - Peter -- 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
