NDLI: Very fast adaptation with a compact context-dependent eigenvoice model

Content Provider	IEEE Xplore Digital Library
Author	Kuhn, R. Perronnin, F. Nguyen, P. Junqua, J.-C. Rigazio, L.
Copyright Year	2001
Description	Author affiliation: Panasonic Speech Technol. Lab., Panasonic Technol. Inc, Santa Barbara, CA, USA (Kuhn, R.)
Abstract	The "eigenvoice" technique achieves rapid speaker adaptation by employing prior knowledge of speaker space obtained from reference speakers to place strong constraints on the initial model for each new speaker. It has previously been shown to yield very fast adaptation for a large-vocabulary system. In this paper, we describe a new way of applying the eigenvoice technique to context-dependent acoustic modeling, called the "eigencentroid plus delta trees" (EDT) model. Here, the context-dependent model is defined so that it consists of a speaker-dependent component with a small number of parameters linked to a speaker-independent component with far more parameters. The eigenvoice technique can then be applied to the speaker-dependent component alone to attain very fast adaptation of the entire context-dependent model (e.g., 10% relative reduction in error rate after 3 sentences). EDT requires only a small number of parameters to represent speaker space and works even if only a small amount of data is available per reference speaker.
Sponsorship	IEEE Signal Process. Soc
Starting Page	373
Ending Page	376
File Size	409283
Page Count	4
File Format	PDF
ISBN	0780370414
ISSN	15206149
DOI	10.1109/ICASSP.2001.940845
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-05-07
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Context modeling Loudspeakers Space technology Principal component analysis Error analysis Testing Maximum likelihood estimation Laboratories Speech recognition Hidden Markov models
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
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