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Sound Card Spectral Analyser GUI

version 1.0 (13.3 KB) by

Acquire data from soundcard and plot in time and frequency domains



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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 ( into a Matlab Class.

The GUI uses an instance of this class.

See for a detailed run-through of the code and the programming techniques utilised.

Comments and Ratings (1)


Error while evaluating Figure DeleteFcn
it doesn't work,when you run the code

MATLAB Release
MATLAB 7.0.4 (R14SP2)

Inspired by: Sound Card Spectral Analysis

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