Matlab 2011 Filter design

This is using Matlab 2011 ubuntu version.


fyi this is a track i made myself lyrics, beat and mixing by me.

What I show is:

I generated a signal of a dial tone from a telephone
which is two since waves at 440 Hz and 350 Hz.

I scrambled this signal by adding white guassian noise at 5 dB.

Then I applied a low pass filter to recover the original signal. And plot the original and recovered on the same graph. When I did a for loop to get the error i usually got a mean square error of less than 0.05 which is acceptable.

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[bields84]

ballin

[WeAreCtrLSnipers]

nice

[xHDGaming1]

dang yo this video contains win

[happadrenna]

wow i can't wait for ur next video