Very nice, Stefan! Thanks for bring it up, I hadn’t seen it before.
Nigel > On Jan 20, 2016, at 2:59 PM, Stefan Stenzel <stefan.sten...@waldorfmusic.de> > wrote: > > Allen, > > Did you consider the recipe for pink noise I published recently? > It performs better in terms of precision and performance than all others. > > https://github.com/Stenzel/newshadeofpink > > Regards, > Stefan > > > >> On 20 Jan 2016, at 21:41 , Allen Downey <dow...@allendowney.com> wrote: >> >> Hi Music-DSP, >> >> Short version: I've got a new blog post about generating pink noise in >> Python: >> >> http://www.dsprelated.com/showarticle/908.php >> >> Longer version: >> >> If you set the WABAC machine for 1978, you might remember Martin Gardner's >> column in Scientific American about pink noise and fractal music. It >> presented material from a paper by Voss and Clarke that included an >> algorithm for generating pink noise. >> >> Then in 1999 there was a discussion on this very mailing list about the Voss >> algorithm, which included a message from James McCartney that suggested an >> improvement to the algorithm. This page explains the details: >> http://www.firstpr.com.au/dsp/pink-noise/ >> >> And in 2006 there was another discussion on this very mailing list, where >> Larry Trammell suggested a stochastic version of the algorithm. This page >> has the details: http://home.earthlink.net/~ltrammell/tech/pinkalg.htm >> >> As an exercise in my book, Think DSP, I challenge the reader to implement >> one of these algorithms in Python, using NumPy for reasonable performance. >> I present my implementation in a new blog post at >> >> http://www.dsprelated.com/showarticle/908.php >> >> From there, there's a link to the IPython notebook with all the details. >> >> Hope you find it interesting! >> >> Allen >> >> _______________________________________________ >> dupswapdrop: music-dsp mailing list >> music-dsp@music.columbia.edu >> https://lists.columbia.edu/mailman/listinfo/music-dsp > > _______________________________________________ > dupswapdrop: music-dsp mailing list > music-dsp@music.columbia.edu > https://lists.columbia.edu/mailman/listinfo/music-dsp > _______________________________________________ dupswapdrop: music-dsp mailing list music-dsp@music.columbia.edu https://lists.columbia.edu/mailman/listinfo/music-dsp
