Paper Abstract and Keywords |
Presentation |
2013-05-16 14:50
Data Adaptive Pre-filtering with Spectral Weighting
-- Application to Single Channel Speech Enhancement -- Md. Khademul Islam Molla, Keikichi Hirose (Univ. of Tokyo) EA2013-8 SIP2013-8 SP2013-8 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
The spectral weighting for speech enhancement works better when the level of speech energy is available in priori. Different treatment is applied for low and high energy segment of the noisy speech signals. In this paper, a data adaptive pre-filtering technique is introduced using noise assisted empirical mode decomposition (nEMD) to classify low and high energy speech segments. Fractional Gaussian noise is used as the reference signal to derive data adaptive threshold for this classification without requiring any training constraint. The higher energy components of speech signal are separated during pre-filtering. The spectral weighting is applied to suppress noise from the lower energy speech components. Then the signals separated by pre-filtering and obtained by spectral weighting are combined together yielding the resultant enhanced speech signal. The experimental results show that the proposed method is significantly effective for a wide range of noise levels (SNRs) with preserving the speech intelligibility. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
Data adaptive filtering / fractional Gaussian noise / spectral weighting / speech enhancement / / / / |
Reference Info. |
IEICE Tech. Rep., vol. 113, no. 29, SP2013-8, pp. 43-48, May 2013. |
Paper # |
SP2013-8 |
Date of Issue |
2013-05-09 (EA, SIP, SP) |
ISSN |
Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 |
Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) |
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EA2013-8 SIP2013-8 SP2013-8 |
Conference Information |
Committee |
SP EA SIP |
Conference Date |
2013-05-16 - 2013-05-17 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
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Topics (in Japanese) |
(See Japanese page) |
Topics (in English) |
Speech and Acoustic Signal Processing, Speech, and Related Topics |
Paper Information |
Registration To |
SP |
Conference Code |
2013-05-SP-EA-SIP |
Language |
English (Japanese title is available) |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Data Adaptive Pre-filtering with Spectral Weighting |
Sub Title (in English) |
Application to Single Channel Speech Enhancement |
Keyword(1) |
Data adaptive filtering |
Keyword(2) |
fractional Gaussian noise |
Keyword(3) |
spectral weighting |
Keyword(4) |
speech enhancement |
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1st Author's Name |
Md. Khademul Islam Molla |
1st Author's Affiliation |
The University of Tokyo (Univ. of Tokyo) |
2nd Author's Name |
Keikichi Hirose |
2nd Author's Affiliation |
The University of Tokyo (Univ. of Tokyo) |
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Speaker |
Author-1 |
Date Time |
2013-05-16 14:50:00 |
Presentation Time |
25 minutes |
Registration for |
SP |
Paper # |
EA2013-8, SIP2013-8, SP2013-8 |
Volume (vol) |
vol.113 |
Number (no) |
no.27(EA), no.28(SIP), no.29(SP) |
Page |
pp.43-48 |
#Pages |
6 |
Date of Issue |
2013-05-09 (EA, SIP, SP) |
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