NDLI: Switching acausal filters for speech modeling

Content Provider	IEEE Xplore Digital Library
Author	Minami, Y. Kameoka, H.
Copyright Year	2009
Description	Author affiliation: NTT Communication Science Laboratories, NTT Corporation, 2-4, Hikaridai, Seika-cho, Soraku-gun, Kyoto, Japan (Minami, Y.; Kameoka, H.)
Abstract	This paper shows a unified model of dynamical systems in speech processing that includes speech recognition and pitch modeling. For this purpose, we propose the use of switching acausal filters (SAFs), which exchange multiple acausal filters. These filters are defined by identical linear dynamical systems that exchange the roles of observation value and system input. This paper describes the formulation of recognition, training, and feature generation methods for SAFs, which can be applied to several previously proposed speech models. As an example, we show that an HMM with dynamic features and our F0 control method can be modeled by the proposed formulation. An HMM synthesis method can also be modeled using the formulations. From these results, we demonstrate the unification capability of SAFs.
Starting Page	1
Ending Page	6
File Size	1091996
Page Count	6
File Format	PDF
ISBN	9781424449477
ISSN	15512541
DOI	10.1109/MLSP.2009.5306185
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-09-01
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Hidden Markov models Speech recognition Speech processing Nonlinear filters Speech synthesis Equations Signal processing algorithms Communication switching Switches Laboratories Kalman filter Acausal filter HMM delta features delta-delta features
Content Type	Text
Resource Type	Article

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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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