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Study on the consistency analysis between the prosody and the spectrum for Mandarin speech

Volume 7 (2013) : Issue 1, Feb

IET Wireless Sensor Systems

Micro & Nano Letters

The Journal of Engineering

Study on the consistency analysis between the prosody and the spectrum for Mandarin speech

Content Provider	IET Digital Library
Author	Yeh, Cheng Yu Chen, Kuan Lin Hwang, Shaw Hwa Yan, Long Jhe
Abstract	In this work, a consistency analysis between the prosody and the spectrum for Mandarin speech is presented. Found by an inspection on the pronunciation process of human beings, the consistency can be interpreted as a close correlated relation of a warping curve between the spectrum and the prosody intra a syllable. Through three steps in the procedure of the consistency analysis, the hidden Markov model (HMM) algorithm is used firstly to decode HMM-state sequences within a syllable at the same time as to divide them into three segments. Secondly, based on a designated syllable, the vector quantisation (VQ) with the Linde–Buzo–Gray algorithm is used to train the VQ codebooks of each segment. Thirdly, the prosodic vector of each segment is encoded as an index by VQ codebooks, and then the probability of each possible path is evaluated as a prerequisite to analyse the consistency. It is demonstrated experimentally that a consistency is definitely acquired in case the syllable is located exactly in the same word. These results offer a research direction that the warping process between the spectrum and the prosody intra a syllable must be considered in a text-to-speech system to improve the speech quality.
Starting Page	158
Ending Page	165
Page Count	8
ISSN	17519675
Volume Number	7
e-ISSN	17519683
Issue Number	Issue 2, Apr (2013)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-spr/7/2
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-spr.2012.0099
Journal	IET Signal Processing
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Code Consistency Analysis Hidden Markov Model Hidden Markov Model Algorithm HMM State Sequence Linde Buzo Gray Algorithm Mandarin Speech Quality Markov Processes Pronunciation Process Prosodic Vector Prosody Speech Processing Speech Processing Technique Speech Recognition Speech Recognition And Synthesis Text to Speech System Vector Quantisation VQ Codebooks Warping Curve Warping Process
Content Type	Text
Resource Type	Article
Subject	Signal Processing Electrical and Electronic Engineering

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