Musab T S AL-KALTAKCHI, Raıd Rafı Omar AL-NIMA, Mohammed A M ABDULLAH

Comparisons of extreme learning machine and backpropagation-based i-vector approach for speaker identification

The extreme learning machine ELM is one of the machine learning applications used for regression and classification systems. In this paper, an extended comparison between an ELM and the backpropagation neural network BPNN -based i-vector is given in terms of a closed-set speaker identification task using 120 speakers from the TIMIT database. The system is composed of the mel frequency cepstal coefficient MFCC and power normalized cepstal coefficient PNCC approaches to form the feature extraction stage, while the cepstral mean variance normalization CMVN and feature warping are applied in order to mitigate the linear channel effect. The system is utilized with equal numbers of speakers of both genders with 120 speakers with eight dialects from the TIMIT database. The results demonstrate that the combination of the i-vector with the ELM for different features has the highest speaker identification accuracy SIA compared with the combination of the BPNN with the i-vector. The results also show that the i-vector with ELM approach is faster than the BPNN-based i-vector and it has the highest SIA.

Keywords:

Speaker recognition extreme learning machine, TIMIT database, i-vector,

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Turkish Journal of Electrical Engineering and Computer Science-Cover

ISSN: 1300-0632
Yayın Aralığı: Yılda 6 Sayı
Yayıncı: TÜBİTAK

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