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| Presentation | 2017-03-01 12:40 [Poster Presentation] Conversion from linear microphone array signal to cylindrical binaural signal Asuka Yamazato, Yoichi Haneda (UEC)  EA2016-89 SIP2016-144 SP2016-84 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | There is currently a commercial need for an audio reproduction system with spatial sound localization for a head-mount display. Generally, it is expected that high realism in a headphone reproduction system can be achieved using a binaural signal acquired with dummy head microphones. However, there are some known problems such as individual differences in the shapes of the heads and difficulties in reflecting the head movement. In this study, we investigated whether or not it was possible to simulate signals at both ear positions for an arbitrary listing position by using line-microphone array signals. We used cylindrical microphone array signals instead of binaural signals. In the proposed method, the signals acquired by the linear microphone array were inversely propagated. Then, the sound pressures were estimated at fine intervals by using reciprocal-space up-sampling. After that, the sound pressures of the target sound space were estimated as observation signals using a open circular microphone array. Finally, the estimated signals were converted to match the signal observed on a rigid cylinder. We confirmed the effectiveness of the proposed method using computer simulation. The results showed that the proposed method could convert line-array signals into the cylindrical signals. When listening to the output generated by this method, it was possible to perceive the location of the sound. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Liner microphone array / Binaural signal / Back propagation / Circular harmonization expansion / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 116, no. 475, EA2016-89, pp. 43-48, March 2017. | |
| Paper # | EA2016-89 | |
| 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 | EA2016-89 SIP2016-144 SP2016-84 |
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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) | Conversion from linear microphone array signal to cylindrical binaural signal |
| Sub Title (in English) | |
| Keyword(1) | Liner microphone array |
| Keyword(2) | Binaural signal |
| Keyword(3) | Back propagation |
| Keyword(4) | Circular harmonization expansion |
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| 1st Author's Name | Asuka Yamazato |
| 1st Author's Affiliation | The University of Electro-Communications (UEC) |
| 2nd Author's Name | Yoichi Haneda |
| 2nd Author's Affiliation | The University of Electro-Communications (UEC) |
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| Speaker | Author-1 |
| Date Time | 2017-03-01 12:40:00 |
| Presentation Time | 90 minutes |
| Registration for | EA |
| Paper # | EA2016-89, SIP2016-144, SP2016-84 |
| Volume (vol) | vol.116 |
| Number (no) | no.475(EA), no.476(SIP), no.477(SP) |
| Page | pp.43-48 |
| #Pages | 6 |
| Date of Issue | 2017-02-22 (EA, SIP, SP) |
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