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| Presentation | 2010-08-09 14:45 3D sound space information recording system using 252ch isopycnic and spherical microphone array Shuichi Sakamoto, Jun'ichi Kodama (Tohoku Univ.), Satoshi Hongo (SNCT), Takuma Okamoto, Yukio Iwaya, Yo-iti Suzuki (Tohoku Univ.)  EA2010-46 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We are developing a system to acquire 3D sound-space information that can transmit accurate sound-space information to a distant place and over time using a microphone array on a human-head-sized solid sphere with numerous microphones on its surface. The system comprises an object with numerous microphones called SENZI (Symmetrical object with ENchased ZIllion microphones). The results of the simulation of previous study indicate that SENZI should have following specifications: 1) the microphones should be arranged densely to avoid spatial aliasing, 2) the number of \textit{controlled directions} should be densely set at less than $5^\circ$ intervals, and 3) the radius of the microphone array should be approximately equal to the size of human head. In the present study, we actually designed and equipped a SENZI system with 252~ch microphones according to these specifications and investigated the accuracy of synthesized 3D sound-space information. The results demonstrated that the developed SENZI can synthesize 3D sound-space with satisfactorily high precision. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Sound field recording / head related transfer function (HRTF) / Spherical microphone array / Tele-Existance / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 110, no. 171, EA2010-46, pp. 19-23, Aug. 2010. | |
| Paper # | EA2010-46 | |
| Date of Issue | 2010-08-02 (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 | EA2010-46 |
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| Conference Information | |
| Committee | EA |
| Conference Date | 2010-08-09 - 2010-08-10 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tohoku Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Acoustic Signal Processing, Psychological and Physiological Acoustics, and Related Topics |
| Paper Information | |
| Registration To | EA |
| Conference Code | 2010-08-EA |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | 3D sound space information recording system using 252ch isopycnic and spherical microphone array |
| Sub Title (in English) | |
| Keyword(1) | Sound field recording |
| Keyword(2) | head related transfer function (HRTF) |
| Keyword(3) | Spherical microphone array |
| Keyword(4) | Tele-Existance |
| Keyword(5) | |
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| 1st Author's Name | Shuichi Sakamoto |
| 1st Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 2nd Author's Name | Jun'ichi Kodama |
| 2nd Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 3rd Author's Name | Satoshi Hongo |
| 3rd Author's Affiliation | Sendai National College of Technology (SNCT) |
| 4th Author's Name | Takuma Okamoto |
| 4th Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 5th Author's Name | Yukio Iwaya |
| 5th Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 6th Author's Name | Yo-iti Suzuki |
| 6th Author's Affiliation | Tohoku University (Tohoku Univ.) |
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| Speaker | Author-1 |
| Date Time | 2010-08-09 14:45:00 |
| Presentation Time | 30 minutes |
| Registration for | EA |
| Paper # | EA2010-46 |
| Volume (vol) | vol.110 |
| Number (no) | no.171 |
| Page | pp.19-23 |
| #Pages | 5 |
| Date of Issue | 2010-08-02 (EA) |
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