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| Presentation | 2019-07-31 16:45 Speedup of the Asynchronous Serial Multiplier by Concealing the Idle Phase for Digital Hearing Aids Masahiro Nagata (Okayama Prefectural Univ.), Masafumi Kondo, Isao Kayono (Kawasaki Univ. of Medical Welfare), Tomoyuki Yokogawa, Kazutami Arimoto, Yoichiro Sato (Okayama Prefectural Univ.)  CAS2019-22 VLD2019-28 SIP2019-38 MSS2019-22 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Recently, digital hearing aids with DSP have spread through, but their battery life has remained for only a few days. For this problem, we applied an asynchronous circuit-based control method to a serial multiplier using only a single full adder (FA) and realized low power consumption and small area Multiply and ACcumulator (MAC). However, the calculation time increases due to the idle phase required for controlling asynchronous circuits, and it is difficult to obtain sufficient frequency characteristics when applied to filter circuits. Therefore, in this study, we propose a method of concealing the idle phase and reduce the calculation time by arranging an additional FA in parallel and complementarity controlling the two FAs. Then, we design the MAC based on the proposed method, confirm its operation by simulation and its effectiveness about power consumption. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Digital Hearing Aid / Dual-rail / Asynchronous Circuit / Serial Multiplier / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 153, CAS2019-22, pp. 99-104, July 2019. | |
| Paper # | CAS2019-22 | |
| Date of Issue | 2019-07-23 (CAS, VLD, SIP, MSS) | |
| 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 | CAS2019-22 VLD2019-28 SIP2019-38 MSS2019-22 |
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| Conference Information | |
| Committee | MSS CAS SIP VLD |
| Conference Date | 2019-07-30 - 2019-07-31 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Iwate Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | CAS |
| Conference Code | 2019-07-MSS-CAS-SIP-VLD |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Speedup of the Asynchronous Serial Multiplier by Concealing the Idle Phase for Digital Hearing Aids |
| Sub Title (in English) | |
| Keyword(1) | Digital Hearing Aid |
| Keyword(2) | Dual-rail |
| Keyword(3) | Asynchronous Circuit |
| Keyword(4) | Serial Multiplier |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Masahiro Nagata |
| 1st Author's Affiliation | Okayama Prefectural University (Okayama Prefectural Univ.) |
| 2nd Author's Name | Masafumi Kondo |
| 2nd Author's Affiliation | Kawasaki University of Medical Welfare (Kawasaki Univ. of Medical Welfare) |
| 3rd Author's Name | Isao Kayono |
| 3rd Author's Affiliation | Kawasaki University of Medical Welfare (Kawasaki Univ. of Medical Welfare) |
| 4th Author's Name | Tomoyuki Yokogawa |
| 4th Author's Affiliation | Okayama Prefectural University (Okayama Prefectural Univ.) |
| 5th Author's Name | Kazutami Arimoto |
| 5th Author's Affiliation | Okayama Prefectural University (Okayama Prefectural Univ.) |
| 6th Author's Name | Yoichiro Sato |
| 6th Author's Affiliation | Okayama Prefectural University (Okayama Prefectural Univ.) |
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| Speaker | Author-1 |
| Date Time | 2019-07-31 16:45:00 |
| Presentation Time | 25 minutes |
| Registration for | CAS |
| Paper # | CAS2019-22, VLD2019-28, SIP2019-38, MSS2019-22 |
| Volume (vol) | vol.119 |
| Number (no) | no.153(CAS), no.154(VLD), no.155(SIP), no.156(MSS) |
| Page | pp.99-104 |
| #Pages | 6 |
| Date of Issue | 2019-07-23 (CAS, VLD, SIP, MSS) |
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