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| Presentation | 2010-06-11 11:00 Mathematical metric of amount of musical noise in recursive spectral subtraction Takayuki Inoue, Hiroshi Saruwatari, Yu Takahashi, Kiyohiro Shikano (NAIST), Kazunobu Kondo (Yamaha Corporate Research and Development Center)  EA2010-30 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this paper, we provide a new theoretical analysis of the amount of musical noise generated via iterative spectral subtraction based on higher-order statistics. To achieve high-quality noise reduction with low musical noise, the iterative spectral subtraction method, i.e., recursively applied weak nonlinear signal processing, has been proposed. Although the effectiveness of the method has been reported experimentally, there have been no theoretical studies. Therefore, in this paper, we formulate the generation process of musical noise by tracing the change in kurtosis, and conduct a comparison of the amount of musical noise for different parameter settings under the same noise reduction performance. It is clarified from mathematical analysis and evaluation experiments that iterative spectral subtraction with very weak processing can result in the generation of less musical noise. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | / / / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 110, no. 71, EA2010-30, pp. 47-52, June 2010. | |
| Paper # | EA2010-30 | |
| Date of Issue | 2010-06-03 (EA) | |
| 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) | |
| Download PDF | EA2010-30 |
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| Conference Information | |
| Committee | EA |
| Conference Date | 2010-06-10 - 2010-06-11 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Health Sci. Univ. of Hokkaido |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Engineering/Electro Acoustics, Musical Acoustics, Psychological and Physiological Acoustics, and Related Topics |
| Paper Information | |
| Registration To | EA |
| Conference Code | 2010-06-EA |
| Language | English (Japanese title is available) |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Mathematical metric of amount of musical noise in recursive spectral subtraction |
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| 1st Author's Name | Takayuki Inoue |
| 1st Author's Affiliation | Nara Institute of Science and Technology (NAIST) |
| 2nd Author's Name | Hiroshi Saruwatari |
| 2nd Author's Affiliation | Nara Institute of Science and Technology (NAIST) |
| 3rd Author's Name | Yu Takahashi |
| 3rd Author's Affiliation | Nara Institute of Science and Technology (NAIST) |
| 4th Author's Name | Kiyohiro Shikano |
| 4th Author's Affiliation | Nara Institute of Science and Technology (NAIST) |
| 5th Author's Name | Kazunobu Kondo |
| 5th Author's Affiliation | Yamaha Corporate Research and Development Center (Yamaha Corporate Research and Development Center) |
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| Speaker | Author-1 |
| Date Time | 2010-06-11 11:00:00 |
| Presentation Time | 30 minutes |
| Registration for | EA |
| Paper # | EA2010-30 |
| Volume (vol) | vol.110 |
| Number (no) | no.71 |
| Page | pp.47-52 |
| #Pages | 6 |
| Date of Issue | 2010-06-03 (EA) |
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