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| Presentation | 2022-03-02 13:25 [Poster Presentation] Verification of the Effectiveness of ANC System Using FPGA in Hearable Devices Aoi Yoshikawa, Yoshinobu Kajikawa (Kansai Univ.)  EA2021-89 SIP2021-116 SP2021-74 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In recent years, smart devices with integrated microphones, which are similar to earphones called hearable devices, have become widespread. It can be connected to a smartphone via Bluetooth, and in the future it is possible to connect to a vehicle and drive while wearing it. Therefore, we verify the possibility of reducing road noise by introducing an Active Noise Control (ANC) system into the hearable device. Since road noise is unsteady noise, a feedforward type control method is suitable, but due to its shape, it is necessary to reduce the distance between the reference microphone and the error microphone. However, noise reduction may be degraded due to the effects of causality constraints. As a method for improving this problem, a feedforward ANC system using FPGA capable of high-speed calculation has been proposed. Therefore, in this paper, we construct a head-mounted ANC system using this system and examine its effectiveness using an actual environment. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | ANC system / FPGA / feedforward control / causality constraint / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 384, SIP2021-116, pp. 158-162, March 2022. | |
| Paper # | SIP2021-116 | |
| Date of Issue | 2022-02-22 (EA, SIP, SP) | |
| ISSN | 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 | EA2021-89 SIP2021-116 SP2021-74 |
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| Conference Information | |
| Committee | EA SIP SP IPSJ-SLP |
| Conference Date | 2022-03-01 - 2022-03-02 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | SIP |
| Conference Code | 2022-03-EA-SIP-SP-SLP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Verification of the Effectiveness of ANC System Using FPGA in Hearable Devices |
| Sub Title (in English) | |
| Keyword(1) | ANC system |
| Keyword(2) | FPGA |
| Keyword(3) | feedforward control |
| Keyword(4) | causality constraint |
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| 1st Author's Name | Aoi Yoshikawa |
| 1st Author's Affiliation | Kansai University (Kansai Univ.) |
| 2nd Author's Name | Yoshinobu Kajikawa |
| 2nd Author's Affiliation | Kansai University (Kansai Univ.) |
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| Speaker | Author-1 |
| Date Time | 2022-03-02 13:25:00 |
| Presentation Time | 120 minutes |
| Registration for | SIP |
| Paper # | EA2021-89, SIP2021-116, SP2021-74 |
| Volume (vol) | vol.121 |
| Number (no) | no.383(EA), no.384(SIP), no.385(SP) |
| Page | pp.158-162 |
| #Pages | 5 |
| Date of Issue | 2022-02-22 (EA, SIP, SP) |
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