NDLI: Transformation of speaker characteristics for voice conversion

Content Provider	IEEE Xplore Digital Library
Author	Rentzos, D. Vaseghi, S. Turajlic, E. Qin Yan Ching-Hsiang Ho
Copyright Year	2003
Description	Author affiliation: Dept. of Electron. & Comput. Eng., Brunel Univ., Uxbridge, UK (Rentzos, D.; Vaseghi, S.; Turajlic, E.; Qin Yan)
Abstract	The paper presents a voice conversion method based on analysis and transformation of the characteristics that define a speaker's voice. Voice characteristic features are grouped into three main categories: (a) the spectral features at formants; (b) the pitch and intonation pattern; (c) the glottal pulse shape. Modelling and transformation methods for each group of voice features are outlined. The spectral features at formants are modelled using a two-dimensional phoneme-dependent HMM. Subband frequency warping is used for spectrum transformation where the subbands are centred on estimates of formant trajectories. The F0 contour, extracted from autocorrelation-based pitchmarks, is used for modelling the pitch and intonation patterns of speech. A PSOLA based method is used for transformation of pitch, intonation patterns and speaking rate. Finally a method based on deconvolution of the vocal tract is used for modelling and mapping of the glottal pulse. The experimental results present illustrations of transformations of the various characteristics and perceptual evaluations.
Starting Page	706
Ending Page	711
File Size	489218
Page Count	6
File Format	PDF
ISBN	0780379802
DOI	10.1109/ASRU.2003.1318526
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-11-30
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Hidden Markov models Shape Feature extraction Pulse shaping methods Frequency estimation Autocorrelation Speech synthesis Bandwidth Speech processing Viterbi algorithm
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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