EQUALIZER Audio equalizer GUI
EQUALIZER starts an equalizer for audio input on a PC. This is created as a demonstration of ANALOGINPUT and GUI. It performs real-time power spectral density estimation on acquired audio data and displays them in frequency bins. This may not be how a real equalizer works, so it should be used simply as a demo.
The top panels show the raw audio signals (time series), and the bottom two panels show the spectral densities. Clicking on the panels changes the colors of the signals.
Pressing the space bar (when the window is in focus) shrinks or grows the window to show all 4 panels or the bottom 2 panels. Pressing the escape key closes the equalizer.
It requires the Data Acquisition Toolbox. Also, it may only work on PCs since it uses the winsound adaptor. Because of the high sampling and refresh rate, it may consume significant processing power.
This will only work in MATLAB R14 or later (because it uses nested functions).
Jiro Doke (2023). EQUALIZER (https://www.mathworks.com/matlabcentral/fileexchange/10569-equalizer), MATLAB Central File Exchange. 검색됨 .
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