Vowel Onset Point Detection from Coded and Noisy Speech

K Sreenivasa Rao,Anil Kumar Vuppala

doi:10.1007/978-3-319-03116-3_3

Vowel Onset Point Detection from Coded and Noisy Speech

K Sreenivasa Rao, Anil Kumar Vuppala

https://doi.org/10.1007/978-3-319-03116-3_3

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Publication Date: Dec 20, 2013

Affiliation: Indian Institute of Technology Kharagpur, International Institute of Information Technology, Hyderabad

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Abstract

Most of the existing vowel onset point (VOP) detection methods are developed for clean speech. In this chapter, we propose methods for detection of VOPs in the presence of speech coding and background noise conditions. VOP detection method for coded speech is based on the spectral energy between 500 and 2,500 Hz frequency band of the speech segments present in glottal closure region. In case of noisy speech, the proposed VOP detection method exploits the spectral energy at the formant locations of the speech segments present in glottal closure region. The proposed VOP detection methods are evaluated using objective measures and consonant vowel (CV) unit recognition experiments.

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