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Md Sahidullah


University of Eastern Finland, Finland

49 total contributions since 2010

I am a post-doc at University of Eastern Finland, Finland. My primary interest is on signal processing and machine learning techniques for acoustic pattern recognition.

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Submitted


Local spectral variability features for speaker verification
This is an implementation of local spectral variability features.

11 months ago | 4 downloads |

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Linked


Joint Factor Analysis Demo for Speaker Recognition
This set of Matlab functions by Ondrej Glembek (glembek@fit.vutbr.cz) is a simple tutorial of JFA.

3 years ago | 675 clicks |

Responded


Re: matlab code for MFCC
Dear Sharmy Roy, You may use melcepst function of voicebox toolbox http://www.ee.ic.ac.uk/hp/staff/dmb/voicebox/voicebox.html ...

4 years ago | 18042 views

Responded


Re: extract 50 Hz
You can use Goertzel algorithm to detect a specific frequency component from an audio file. WithBestRegards, Sahidullah

4 years ago | 1860 views

Responded


Re: MFCC
Dear Ruqayya, You may find "VOICEBOX: Speech Processing Toolbox for MATLAB" useful for your problem. http://www.ee.ic.ac.uk/hp/...

4 years ago | 4239 views

Responded


Re: training and testing of speech signals
Dear Krishna, You may use MATLAB toolbox called voicebox for speech processing for this purpose. http://www.ee.ic.ac.uk/hp/staf...

4 years ago | 2221 views

Responded


Re: Import 1.4GB txt file to matlab
Hi Taufan, Try reading the file using fscanf command. If you are using 64-bit machine, you can store all the data in a single ...

4 years ago | 1008 views

Responded


Re: Speech recognition
Yes, it is frame number.

5 years ago | 2026 views

Responded


Re: Speech processing
Hi Khalid, Can you please elaborate your query? What do you mean by alpha? Thanks & Regards, Sahidullah

5 years ago | 1215 views

Responded


Re: Framing of speech signal
Dear Hassan, You may use the popular voicebox toolbox for MATLAB. It has lots of built-in functions for speech feature extracti...

5 years ago | 8429 views

Responded


Re: Saving matrix content to .txt
Hi Ulrik, for i=1:TotalIterations ... filename=strcat('Filename','_',num2str(i)); then use dlmwrite function. ... end Thanks &...

5 years ago | 2151 views

Responded


Re: largest contiguous memory block on Windows XP SP3 32 bit
Hi Amber, Check this http://www.mathworks.com/help/techdoc/matlab_prog/brh72ex-49.html Thanks & Regards Sahid

5 years ago | 4727 views

Submitted


Useful Matlab Functions for Speaker Recognition Using Adapted Gaussian Mixture Model
This submission includes useful MATLAB functions for speaker recognition using adapted GMM.

5 years ago | 32 downloads |

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Responded


Re: Speech processing toolbox?
Hi, You may also use voicebox toolbox http://www.ee.ic.ac.uk/hp/staff/dmb/voicebox/voicebox.html this is one of the most popula...

5 years ago | 3560 views

Responded


Re: Speech Recognition Coding required
Abhishek, Please avoid this kind of request in this community. If you want some MATLAB toolbox for speech recognition I will su...

5 years ago | 6716 views

Responded


Re: Speaker Recognition using Neural Network
Hi Dinesh, Just for the sake of curiosity, may I ask you one question? Why you are using ANN for speaker recognition? As far ...

5 years ago | 6477 views

Linked


Image Reconstruction Toolbox
The image reconstruction toolbox is a collection of open source algorithms for image reconstruction.

5 years ago | 275 clicks |

Submitted


Shifted Delta Coefficients (SDC) Computation from Mel Frequency Cepstral Coefficients (MFCC)
This code converts the MFCC coefficients into SDC coefficients.

5 years ago | 16 downloads |

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Responded


Re: Slow function
Hi, You may find this useful http://www.mathworks.com/matlabcentral/fileexchange/31464-shifted-delta-coefficient-sdc-computati...

5 years ago | 2287 views

Responded


Re: Trying to create a large matrix
Hi Mitch, Install 64-bit MATLAB. Your problem will be solved. for reference, http://www.mathworks.com/help/techdoc/matlab_prog...

5 years ago | 1720 views

Responded


Re: matrix manipulation?
Hi, probably you want it like this:) clc; clear; x=rand(1,109760); %replace it with your signal f=enframe(x,320); %framing for...

5 years ago | 1509 views

Responded


Re: help for using HMM
Hi, You may have incorrectly installed the toolbox. Add all the folders in path in MATLAB (Start->Desktoptools->Path->Add folde...

5 years ago | 3693 views

Responded


Re: how to choose rows with the same x between files with different legth
Hi, You need to write simple MATLAB scripts for this purpose. f1=importdata('file1'); f2=importdata('file2'); We assume (for th...

6 years ago | 1062 views

Posted


read text file
Hi, You can use importdata function in MATLAB. Each line of the ouput will be stored in cell array. Then you can process the str...

6 years ago | 1823 views

Responded


Re: What is MATLAB Toolboxes
Hi, You may use voicebox toolbox for feature extraction http://www.ee.ic.ac.uk/hp/staff/dmb/voicebox/voicebox.html for patter...

6 years ago | 7715 views

Responded


Re: LPC coefficients
Hi, You may use 'lpc' command in MATLAB. write "help lpc" in MATLAB command window. Otherwise you may use voicebox toolbox whi...

6 years ago | 3724 views

Responded


Re: VOICE ACTIVITY DETECTION BASED ON ZERO CROSIING RATE
Hi, Usually first few samples (say 10000) are considered as noise of speech signal. The threshold is set accordingly. You can in...

6 years ago | 17540 views

Responded


Re: distribution fitting:how to load data in dfittool?
you may use fitdist function MATLAB.

6 years ago | 2763 views

Responded


Re: tap a matrix not to exceed a certain value
Hi, You may replace those values using NaN (nor a number) For example, a = 1:1000; b = 501:1500; a(a>750)=NaN; plot(a,b); Th...

6 years ago | 1984 views

Responded


Re: Pre-emphasis voice signal
Hi, Please allow me to add few more points. We do pre-emphasis to boost up the high frequency components. It is required due to...

6 years ago | 11241 views

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