Re: [LAU] [LAA] Grainmap 0.1 Released

On Wed, 20 Jul 2011 14:33:53 +0200, Dragan Noveski <perodog@email-addr-hidden> 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
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Received on Thu Jul 21 08:15:01 2011