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Echo Signal

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Echo Signal

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13 Feb 2014 (Updated )

This exercise demonstrates how and echo can be introduced into a signal.

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Description

This MATLAB exercise enables the user to introduce a reverberation or a simple echo into a speech or audio file in order to investigate the effects of echo delay and echo amplitude on the perception of the resulting echoed signal. If the original signal is designated as x[n], the echoed signal is of the form y_e [n]=x[n]+∝x[n-N], where the relevant echo parameters are ∝, the echo gain, and N, the echo delay (in msec), as specified in the exercise user interface.

Required Products MATLAB
MATLAB release MATLAB 8.0 (R2012b)
Other requirements Requires speech processing folder
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Updates
28 Mar 2014

inserted appropriate length pause between files to be played out

18 Apr 2014

code updates; Read_Me.txt setup file; pathnew_matlab_central example

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