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Distortion Results

Module by: Elizabeth Gregory, Jason Buck

Summary: After brainstorming and organizing our gameplan, we attack our problems with our method and create a MATLAB problem that gives us great distortion, according to our taste.

Note: Your browser may not currently support MathML. See our browser support page for additional details. You can always view the correct math in the PDF version.

The Distortion

We start off with our wav file. The very first thing we need to do with this file is convert it into a vector format that matlab using wavread1. After converting the the file to a vector, we play around with the coefficients and powers, making sure each power is less than one. To check out the sound of each try, soundsc is a helpful function. Our group found 10*note.5+10*note.9+1*note y=10x.5+10x.9+x y 10 x .5 10 x .9 x , where y y is the distorted song and x x is the original song, to be our favorite.

Getting Rid of the Noise

To get rid of all the noise, our group created a simple .m file: The first part of the code is the band pass filter, then second utilizes the FFT.

Footnotes

  1. For help in using this function, use MATLAB's help command.

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