Ayoub Bouziane

10 Questions 13 Answers 0 Followers

Questions related from Ayoub Bouziane

Is it logical to use the SVM decision values as scores in biometric systems ?

Is it logical to use the SVM decision values as scores in biometric systems ?!

22 January 2017 1,553 6 View

Influence of the mismatch between language used for training the system hyperparameters and the users' language on the performance of the ASR system ?

Is there any influence of the mismatch between the language used for training the system hyperparameters (TVS, LDA, and PLDA hyperparameters ) and the system users' language on the performance of...

22 May 2016 6,629 1 View

Are there any suggestions for free databases for speaker recognition?

Hi, I am looking for free speech databases for speaker recognition (at least more than 50 speakers) Do you have any suggestions?

06 January 2016 504 7 View

Can anyone help me find code sources of VoIP speech coders ?

Hi everybody ,I am a research scientist .. actually, i am working on speaker recognition over VoIP networks .. i am looking for code sources of VoIP speech coders (G.729, G.711, G.723.1 .... ) to...

26 December 2015 8,839 6 View

Is there any effect of speech signals volume on the performance of speaker recognition systems ?

HiIs there any effect of speech signals volume on the performance of speaker recognition systems? For example, if the audio files used in the learning stage have a larger volume than those used at...

26 January 2015 5,764 5 View

What is the relation between speech bandwidth and sampling frequency?

03 May 2014 854 3 View

What method should be used for classification of big data with an unknown number of clusters?

I'm looking for a method for unsupervised classification of big data with an unknown number of clusters. Can you suggest a robust method? Is there any Matlab toolbox dedicated to this purpose?

13 March 2014 8,006 8 View

Any explanation for a negative value of the determinant of the covariance matrix of a multivariate Gaussian in a GMM classifier?

I'm working on a speaker recognition system with MFCC and GMM-EM. The problem is when I want to calculate the probability density function (PDF) of a Multivariate Gaussian in some cases, I found...

04 December 2013 2,569 11 View

How did Mr. Skowronski find the formula to calculate the value of c ^ when calculating their parameters HFCC?

In the article entitled "Skowronski MD, Harris JG (2004) "Exploiting independent filter bandwidth of human factor cepstral coefficients in automatic speech recognition." Journal of the Acoustical...

21 November 2013 7,302 0 View

What do wavelet and scaling filters mean?

How can I implement these in matlab to calculate the discrete wavelet packet transform of a speech signal?

04 November 2013 4,875 6 View