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December 22nd, 2014

Sound transformation, piano to "swinging piano". Assignment 8 of Coursera's ASPMA course, session 2014 (UPF Barcelona, CCRMA Stanford).

Tool: sms-tools (https://github.com/MTG/sms-tools),
Python functions: sms-tools/software/transformations_interface/transformation_GUI.py
Method: HPS harmonic plus stochastic transformation.
Original sound: http://www.freesound.org/people/xserra/sounds/196765/

Applying square wave to frequency stretching, to produce a swinging transformation.
Square wave is sampled with 100 periods at 5 Hz generated by using scipy.signal.square, over duration of the sound.

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Type
Wave (.wav)
Duration
00:03:842
Filesize
331.0 KB
Samplerate
44100.0 Hz
Bitdepth
16 bit
Channels
Mono
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