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Short-time Energy and Zero Crossing Rate

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Short-time Energy and Zero Crossing Rate

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06 Apr 2009 (Updated )

Compute the short time energy (STE) and short-time zero crossing rate (STZCR) of a signal.

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Description

Python version: https://github.com/nssh/dsp

This folder contains two simple functions (zerocross and energy) to compute STE and STZCR.

The script zcr_ste_so.m uses these two and other functions (included) to compute the STE and STZCR
of the word 'so'.

See the respective function help for more details.

Required Products Signal Processing Toolbox
Signal Processing Toolbox
MATLAB release MATLAB 7.7 (R2008b)
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Comments and Ratings (7)
25 Mar 2015 Elizabeth Rocha

thanks! :D

Comment only
04 Mar 2015 Catarina Martins

Very nice funcion
Thank you!
I think that the output of the energy vector should be cut to the length of the original signal, at least that make sense in my work.

24 Feb 2012 Nabin S Sharma

thanks all.

@John, its not a simple multiply. Please get some reference on zero-cross rate.

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15 Dec 2011 zuo

zuo (view profile)

thanks

Comment only
12 Jan 2010 John Gar

A good work!! But, why you use convolution to multiplicate the window in the ZCR? It's not a simple multiply?

17 Jun 2009 Adam Hartz  
11 May 2009 Diego

Diego (view profile)

Good work, man! It helped me a lot!

Thanks and good luck!

Updates
14 Jan 2014

github link

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