1 research outputs found
Wavelet Packet based Mel Frequency Cepstral Features for Text Independent Speaker Identification
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<p>Abstract.
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<p>The present research proposes a paradigm which combines the Wavelet Packet
Transform (WPT) with the distinguished Mel Frequency Cepstral Coefficients
(MFCC) for extraction of speech feature vectors in the task of text independent
speaker identification. The proposed technique overcomes the single resolution
limitation of MFCC by incorporating the multi resolution analysis offered by
WPT. To check the accuracy of the proposed paradigm in the real life scenario, it
is tested on the speaker database by using Hidden Markov Model (HMM) and
Gaussian Mixture Model (GMM) as classifiers and their relative performance for
identification purpose is compared. The identification results of the MFCC fea-
tures and the Wavelet Packet based Mel Frequency Cepstral (WP-MFC) Features
are compared to validate the efficiency of the proposed paradigm. The results are
promising. </p>
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