On Wed, 20 Jul 2011 14:33:53 +0200, Dragan Noveski <perodog@xxxxxxx> wrote: > BTW. what is used for analysis here? i mean it is analysing my files > pretty fast. Grainmap uses the aubio library [1] for onset detection, libsamplerate [2] and a simple envelope follower to resample the audio to screen size, the Jigsaw Map algorithm detailed in [3] with Doug Moore's Hilbert curve implementation [4], and the linear-time five-coloring algorithm described at the beginning of [5] for choosing region colors. [1] http://aubio.org/ [2] http://www.mega-nerd.com/SRC/ [3] Martin Wattenberg. 2005. A Note on Space-Filling Visualizations and Space-Filling Curves. http://www.research.ibm.com/visual/papers/158-wattenberg-final3.pdf [4] http://www.tiac.net/~sw/2008/10/Hilbert/moore/ [5] Neil Robertson, Daniel P. Sanders, Paul Seymour, and Robin Thomas. 1996. Efficiently four-coloring planar graphs. http://people.math.gatech.edu/~thomas/OLDFTP/fcdir/fcstoc.ps Cheers, Caleb _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user
