AN APPROACH TO PITCH PERIOD DETECTION OF SPEECH SIGNAL BASED ON ADAPTED WAVELETS - Problems of Information Technology

AN APPROACH TO PITCH PERIOD DETECTION OF SPEECH SIGNAL BASED ON ADAPTED WAVELETS - Problems of Information Technology

AN APPROACH TO PITCH PERIOD DETECTION OF SPEECH SIGNAL BASED ON ADAPTED WAVELETS - Problems of Information Technology

AN APPROACH TO PITCH PERIOD DETECTION OF SPEECH SIGNAL BASED ON ADAPTED WAVELETS - Problems of Information Technology

AN APPROACH TO PITCH PERIOD DETECTION OF SPEECH SIGNAL BASED ON ADAPTED WAVELETS - Problems of Information Technology
AN APPROACH TO PITCH PERIOD DETECTION OF SPEECH SIGNAL BASED ON ADAPTED WAVELETS - Problems of Information Technology
AZERBAIJAN NATIONAL ACADEMY OF SCIENCES

№1, 2015

AN APPROACH TO PITCH PERIOD DETECTION OF SPEECH SIGNAL BASED ON ADAPTED WAVELETS

Lyudmila V. Sukhostat

Among the existing methods used for speaker recognition, only a few can work in the case of non-linear and non-stationary speech signals. Pitch period is one of the most important features for speaker characterization. This paper presents a method for pitch period detection of nonlinear and non-stationary speech signals based on empirical wavelet transform. Experiments show high relative efficiency of the proposed approach for different noise levels. (pp. 33-41)

Keywords: pitch period, empirical wavelet transform, Teager-Kaiser energy operator, intrinsic mode function, instantaneous frequency
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