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| Presentation | 2017-03-02 14:15 Reproduction method of 22.2 multichannel sound in noisy environment considering inter-channel correlation Shu Kitajima, Takehiro Sugimoto, Kazuho Ono (NHK)  EA2016-142 SIP2016-197 SP2016-137 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | To improve the reproduction quality of 22.2 multichannel sound in noisy environment, we propose a method to compensate the 22.2 ch audio signal considering the relationship between the audio signal and noise. The proposed method relieves the effect of auditory masking due to the noise based on the calculation of the amount of auditory masking in every frequency band. The effect of superposition of reproduced sounds from plural loudspeakers was also examined and we proposed a method to adjust the amount of compensation in accordance with the inter-channel correlation to keep the balance of sound sources. We carried out the subjective evaluation focusing on the audibility of the dialogue, and the obtained results proved that the proposed method effectively improves the audibility of dialogue in the noisy enviornment. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | 22.2 multichannel sound / MAEQ method / inter-channel correlation / frequency characteristic compensation / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 116, no. 475, EA2016-142, pp. 333-338, March 2017. | |
| Paper # | EA2016-142 | |
| Date of Issue | 2017-02-22 (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) | |
| Download PDF | EA2016-142 SIP2016-197 SP2016-137 |
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| Conference Information | |
| Committee | SP SIP EA |
| Conference Date | 2017-03-01 - 2017-03-02 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Okinawa Industry Support Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Speech, Engineering/Electro Acoustics, Signal Processing, and Related Topics |
| Paper Information | |
| Registration To | EA |
| Conference Code | 2017-03-SP-SIP-EA |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Reproduction method of 22.2 multichannel sound in noisy environment considering inter-channel correlation |
| Sub Title (in English) | |
| Keyword(1) | 22.2 multichannel sound |
| Keyword(2) | MAEQ method |
| Keyword(3) | inter-channel correlation |
| Keyword(4) | frequency characteristic compensation |
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| Keyword(8) | |
| 1st Author's Name | Shu Kitajima |
| 1st Author's Affiliation | Japan Broadcasting Corporation (NHK) |
| 2nd Author's Name | Takehiro Sugimoto |
| 2nd Author's Affiliation | Japan Broadcasting Corporation (NHK) |
| 3rd Author's Name | Kazuho Ono |
| 3rd Author's Affiliation | Japan Broadcasting Corporation (NHK) |
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| Speaker | Author-1 |
| Date Time | 2017-03-02 14:15:00 |
| Presentation Time | 25 minutes |
| Registration for | EA |
| Paper # | EA2016-142, SIP2016-197, SP2016-137 |
| Volume (vol) | vol.116 |
| Number (no) | no.475(EA), no.476(SIP), no.477(SP) |
| Page | pp.333-338 |
| #Pages | 6 |
| Date of Issue | 2017-02-22 (EA, SIP, SP) |
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