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Echo Signal

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5.0 | 1 rating Rate this file 9 Downloads (last 30 days) File Size: 2.02 MB File ID: #45523 Version: 1.4
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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 8.5 (R2015a)
MATLAB Search Path
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Other requirements Requires speech processing folder
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Comments and Ratings (1)
02 Jun 2015 Altin Guberi  
Updates
28 Mar 2014 1.1

inserted appropriate length pause between files to be played out

18 Apr 2014 1.2

code updates; Read_Me.txt setup file; pathnew_matlab_central example

31 May 2015 1.4

Updated to work with post-R2014b graphics

26 Jun 2015 1.4

Updated to work with post-R2014b graphics

14 Jul 2015 1.4

Minor update to callback spectrum code

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