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Empirical Mode Decomposition

4.7 | 19 ratings Rate this file 180 Downloads (last 30 days) File Size: 4.86 KB File ID: #21409 Version: 1.0

Empirical Mode Decomposition



11 Sep 2008 (Updated )

It decomposes a given signal into a set of intrinsic mode functions that are essentially AM/FM modul

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The Empirical Mode Decomposition is a technique to decompose a given signal into a set of elemental signals called Intrinsic Mode Functions. The Empirical Mode Decomposition is the base of the so-called “Hilbert-Huang Transform” that comprises also a Hilbert Spectral Analysis and an instantaneous frequency computation. A modified improved algorithm for the Empirical Mode Decomposition is implemented. The output is a set of AM/FM modulated signal.
To use it, it is enough to input the signal, two resolutions in dB (~50) and a step value <=1 (normally =1).

Required Products Signal Processing Toolbox
Spline Toolbox
MATLAB release MATLAB 6.5 (R13)
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Comments and Ratings (31)
12 Dec 2016 HenryRain

05 Nov 2016 Oguzhan Ayhan

06 Jul 2016 Justin Igwe

Hi I got the error

"Debug: Max-Min sequence mismatch.
Debug: Max-Min reverse sequence mismatch."
How can i solve this please?

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13 Jun 2016 Hz

Hz (view profile)

It really works!

11 Jun 2016 easy adin

hi i'm stil at the basics of matlab but i need to implement this algorithm in a project.
based on my knowledge 3 inputs are required from the user which are the input signal, 2 resolution in dB(~50) and a step value <=1(normally =1). my question is what code should be entered based on speech processing to get the modulation frequency and modulation level.

i'll appreciate any help

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26 Feb 2016 kavindu zoysa


can i know what does it mean by qResol, qResid, qAlfa ?

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20 Sep 2015 Suja Alex

Error using rParabEmd__L (line 34) rParabEmd__L: Use with 4 inputs.

I'm getting this error.How can I correct this?Pls help me

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13 Aug 2015 Tim

Tim (view profile)

I assume that the Spline Toolbox is no longer required, as it no longer exists. Presumably 'spline()' in base Matlab is sufficient ?
Some example data would be a nice addition to this submission (eg from the original paper).

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06 Mar 2015 Daemian


How do i run this files? if im not wrong X value is able to get from audioread wav file. But how do i get the other 4 value ?

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23 Feb 2015 sarika

sarika (view profile)

Hello Syahrul Fithry
I think you get that error because ,the file 'rParabEmd_L' is not in the current direcctory. To avoid that error you copy this function in your current directory and run.

14 Feb 2015 Syahrul Fithry

Dear all.

I had used this function on a row input signal, v, i.e v= [ 1 2 3 4 5]'

so i call the function by typing rParabEmd_L(v,50,50,1)

However, this error message appears

??? Undefined function or method 'rParabEmd_L' for input arguments of type

I am pleased if anyone of the experts here could advice me on this problem.


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13 Oct 2014 Predrag

02 Oct 2014 Javad Pourhosein

11 Jun 2014 francesco

05 Jan 2014 amrit

amrit (view profile)

08 Dec 2013 Fan D.Chen

This program is very helpful to me, so I have to say, thank you

30 Oct 2013 Matt

Matt (view profile)

Thanks a lot !

30 Oct 2013 Matt

Matt (view profile)

15 Aug 2013 giusep

giusep (view profile)

I also have this error:
"Debug: Max-Min sequence mismatch.
Debug: Max-Min reverse sequence mismatch."

what does it mean?

24 Jul 2013 savan

savan (view profile)

hi sir i get error when doing emd on a signal
please send me code of emd

24 Jun 2013 Ashley

Ashley (view profile)

Hi I get the error

"Debug: Max-Min sequence mismatch.
Debug: Max-Min reverse sequence mismatch."

What does this mean?

I am putting in the arguments:

rParabEmd__L(v, 50, 50, 1)

where v = [1,6,2,7,3,8,5,9,5,9,1,3,2,4,3,5,4,6,5,7,6,8,7,9,2,3]

Do you know what I am doing wrong? thanks

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06 Dec 2012 Charles Nelatury

Beautiful! Thanks

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05 Dec 2012 Charles Nelatury

14 Sep 2012 King Maple


08 Jun 2012 Di Geng

21 Nov 2011 Saurabh Singh

Was looking for it. Thanks Manuel. :)

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03 Mar 2011 fireburning ?

Thanks for sharing.

03 Mar 2011 G.B. Yang


03 Aug 2010 Raymond Chan

Its based on the paper "On the HHT, its problems, and some solutions".

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28 May 2010 Jose Ercolino

It was tagged as "companion software" by the author, but no link to a book or other package was provided. What is the book or other package to which this is the companion?

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