linuxaudio.org

On Tue, Jun 1, 2010 at 9:50 PM, Robert Jonsson  wrote:

quoted text
> I saw the recent thread about beat detection and recalled having seen

> this link but didn't check it out.

> Don't know how it is done, perhaps I'm wrong about it using beat

> detection, the result is really quite amazing though :-)

> Apparently all done in python:

> http://musicmachinery.com/2010/05/21/the-swinger/

Agreed, this is a lovely example.  It uses the Echonest API, which is

a web service API so unfortunately all the really interesting stuff is

hidden behind the web service.
Here is a quick shell script that does the same thing using only free

(i.e. GPL or BSD) software:
  http://all-day-breakfast.com/m/swing.sh
You'll need vamp-simple-host, the Vamp aubio plugins (or the QM plugin

set, but that doesn't meet the licensing requirement) and Rubber Band

v1.5.0.
Chris

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