Ayoub Bouziane

9 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 1,496 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 6,582 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 467 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 8,800 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 5,726 5 View

What is the relation between speech bandwidth and sampling frequency?

03 May 2014 801 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 7,956 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 2,519 11 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 4,829 6 View