NDLI: Speech Enhancement Based on Hilbert-Huang Transform Theory

Content Provider	IEEE Xplore Digital Library
Author	Xiaojie Zou Xueyao Li Rubo Zhang
Copyright Year	2006
Description	Author affiliation: Comput. Sci. & Technol. Inst., Harbin Eng. Univ. (Xiaojie Zou; Xueyao Li; Rubo Zhang)
Abstract	Speech enhancement is effective in solving the problem of noisy speech. Hilbert-Huang transform (HHT) is efficient for describing the local features of dynamic signals and is a new and powerful theory for the time-frequency analysis. According to the theory of HHT, this text introduced a new method of speech enhancement to improve the speech quantity and the signal noise ratio (SNR) of processed data. By the method of empirical mode composition (EMD), the speech signal is decomposed into several IMFs. Then remove the background noise from each IMF according to its own characters and rebuild the signal. While the SNR of the speech is low, the experiment results show that this algorithm is valid on tested noise conditions for most of speech signals and is capable to improve the SNR of the speech. Comparing with some other methods for speech enhancement such as methods based on spectrum subtraction as well as the wavelet transform, we can find that the HHT-based method is better to a certain extent
Sponsorship	STEMES/IMSCCS Conference, USA The University of Iowa, USA Zhejing Univ., China Harbin Eng. Univ., China
Starting Page	208
Ending Page	213
File Size	172076
Page Count	6
File Format	PDF
ISBN	0769525814
DOI	10.1109/IMSCCS.2006.127
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-06-20
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Computer science Fourier transforms Signal processing algorithms Speech enhancement Signal processing Frequency Data processing Speech processing Spectral analysis Signal to noise ratio
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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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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