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Sound Card Spectral Analyser GUI

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Sound Card Spectral Analyser GUI

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15 Jul 2008 (Updated )

Acquire data from soundcard and plot in time and frequency domains

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Description

Acquires buffers of data from the system default sound card, calculates the power spectrum of the data and plots this along with the raw sampled data to screen.

Useful as a quick and dirty (and completely uncalibrated) audio frequency spectrum analyser.

Extends previous function (http://www.mathworks.com/matlabcentral/fileexchange/loadFile.do?objectId=20541) into a Matlab Class.

The GUI uses an instance of this class.

See http://iheartmatlab.blogspot.com for a detailed run-through of the code and the programming techniques utilised.

Acknowledgements

Sound Card Spectral Analysis inspired this file.

MATLAB release MATLAB 7.0.4 (R14SP2)
Other requirements Windows platforms only (I assume - not tested under *nix platforms)
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