Audio::Analyzer

Audio::Analyzer is a set of classes that makes doing the Fourier Transform on PCM audio files extremely easy. Also includes an option to automatically iterate at boundries that gurantee an audio/visual sync at an arbitrary rate.

EXAMPLE MEDIA

The following pieces of media were done using Audio::Analyzer:

• http://youtube.com/watch?v=C8EOtbaMT84
• http://youtube.com/watch?v=QfhRVnv0bw4 Templatized PovRay scenes written out one file per frame then rendered into images individually with a make file.
• http://youtube.com/watch?v=dNGi-SZ9kGw Imager::Graph graphs of the output of Audio::Analyzer and the internal state of a software beat detector assembled with mencoder.

INSTALLATION

To install this module, run the following commands:

perl Makefile.PL
make
make test
make install

LIMITATIONS

Only accepts headerless 16 bit signed PCM but at any number of channels and at any samplerate. WAV support coming soon.

COPYRIGHT & LICENSE

Copyright 2007 Tyler Riddle, all rights reserved.

       This program is free software; you can redistribute it and/or modify it
       under the same terms as Perl itself.