SketchesAndPlots » History » Version 4

Version 3 (Chris Cannam, 2013-10-31 03:51 PM) → Version 4/5 (Chris Cannam, 2013-10-31 03:52 PM)

h1. Sketches and Plots

"Infinitewave sweep":http://code.soundsoftware.ac.uk/projects/decimation/repository/entry/testsignals/infinitewave-sweep.wav plotted by the MATLAB toolbox. That is:

<pre>
x = wavread('infinitewave-sweep.wav');
xcqt = cqt(x,50,48000,24,96000);
contour(abs(xcqt.spCQT));
</pre>

!https://code.soundsoftware.ac.uk/attachments/download/843/Screenshot%20-%20311013%20-%2015_35_47.png!