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| Presentation | 2018-10-11 15:20 Generation of Wavefront by High Density Electro-dynamic Multiplication Output Loudspeaker Array Using Multiple Inputs Delta-sigma Modulator Takeru Sonobe, Shigeto Takeoka (SIST)  EA2018-56 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | It is known that in order to exactly reproduce the three-dimensional sound field, it is necessary to set a speaker for each half wavelength of the target frequency band. For the problem of enormous wiring with this, we have been studying MIDS, the individual driving method of multichannel speakers having common wiring lines. For decorrelation between outputs, MIDS is premised on speakers that output proportional to the product of inputs, and it is desirable to have a structure capable of high density placement. In this paper, as a constitution of a multiplication output speaker, we report about the methods of two different speaker methods such as electrostatic type and electrodynamic type, and regarding the electrostatic type, we report trial production of a 400ch speaker array with control point spacing of 1cm. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Loudspeaker Arrays / Delta-sigma Modulation / Super-multichannel Processing / 1bit Signal Processing / MIDS / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 118, no. 234, EA2018-56, pp. 13-19, Oct. 2018. | |
| Paper # | EA2018-56 | |
| Date of Issue | 2018-10-04 (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 | EA2018-56 |
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| Conference Information | |
| Committee | EA |
| Conference Date | 2018-10-11 - 2018-10-12 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Iwaki business Innovation Center (Iwaki) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Engineering/Electro Acoustics, and Related Topics |
| Paper Information | |
| Registration To | EA |
| Conference Code | 2018-10-EA |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Generation of Wavefront by High Density Electro-dynamic Multiplication Output Loudspeaker Array Using Multiple Inputs Delta-sigma Modulator |
| Sub Title (in English) | |
| Keyword(1) | Loudspeaker Arrays |
| Keyword(2) | Delta-sigma Modulation |
| Keyword(3) | Super-multichannel Processing |
| Keyword(4) | 1bit Signal Processing |
| Keyword(5) | MIDS |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Takeru Sonobe |
| 1st Author's Affiliation | Sizuoka Institute of Science and Technology (SIST) |
| 2nd Author's Name | Shigeto Takeoka |
| 2nd Author's Affiliation | Sizuoka Institute of Science and Technology (SIST) |
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| Speaker | Author-1 |
| Date Time | 2018-10-11 15:20:00 |
| Presentation Time | 25 minutes |
| Registration for | EA |
| Paper # | EA2018-56 |
| Volume (vol) | vol.118 |
| Number (no) | no.234 |
| Page | pp.13-19 |
| #Pages | 7 |
| Date of Issue | 2018-10-04 (EA) |
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