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Erschienen in:
2012 | OriginalPaper | Buchkapitel
Acoustical Analysis of Filled Pause in Malay Spontaneous Speech
verfasst von : Raseeda Hamzah, Nursuriati Jamil, Noraini Seman
Erschienen in: Computer Applications for Communication, Networking, and Digital Contents
Verlag: Springer Berlin Heidelberg
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Filled pause is one of disfluencies types, identified as the often occurred disfluency in spontaneous speech, known to affect Automatic Speech Recognition accuracy. The purpose of this study is to analyze acoustical features of filled pauses in Malay language spontaneous speech as the preliminary step of filled pause detection. The acoustic features that are extracted from the filled pause are formant frequencies and pitch. Two automated segmentation methods which are Zero Crossing Rates and Gaussian Probability Density Function are compared in our study to acquire an exact representation of the filled pause. The results reveal that the pitch and formant frequencies have lower standard deviation when segmented using Gaussian Probability Density Function compared to Zero Crossing Rates. The analysis of Malay filled pause presented in this paper is important as it proved that filled pauses in any language have standard acoustic features such as flat pitch and stable formant frequencies.