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Sound Card Spectral Analysis

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01 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.

See http://iheartmatlab.blogspot.com for further details.

Acknowledgements

This file inspired Sound Card Spectral Analyser Gui.

MATLAB release MATLAB 7.0.4 (R14SP2)
Other requirements Windows platforms only (constrained by 'audiorecorder')
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Comments and Ratings (1)
22 Jun 2009 Erdal Bizkevelci  

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