Homogeneity Test based Voice Activity Detection | ASJP

AL-Lisaniyyat
Volume 20, Numéro 1, Pages 77-85
2014-06-28

Homogeneity Test Based Voice Activity Detection

Authors : Rekik Ouahbi . Djeddou Mustapha .

Abstract

In this paper a new approach for voice activity detection (VAD) is proposed. This technique is based on homogeneity test of two autoregressive (AR) processes; each one models a speech window and involves the measure of a defined distance. The homogeneity test is formulated as a hypothesis test with a threshold derived analytically according to a userdefined false-alarm probability. Results using Aurora database shows the effectiveness of the proposed technique compared to other methods and standards

Keywords

voice activity detection, homogeneity test, autoregressive process.

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