| Presentation | 2019-07-31 Speedup of the Asynchronous Serial Multiplier by Concealing the Idle Phase for Digital Hearing Aids Masahiro Nagata, Masafumi Kondo, Isao Kayono, Tomoyuki Yokogawa, Kazutami Arimoto, Yoichiro Sato, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(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) |
| Keyword(in English) | Digital Hearing Aid / Dual-rail / Asynchronous Circuit / Serial Multiplier |
| Paper # | CAS2019-22,VLD2019-28,SIP2019-38,MSS2019-22 |
| Date of Issue | 2019-07-23 (CAS, VLD, SIP, MSS) |
| Conference Information | |
| Committee | MSS / CAS / SIP / VLD |
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| Conference Date | 2019/7/30(2days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Iwate Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Chair | Shigemasa Takai(Osaka Univ.) / Taizo Yamawaki(Hitachi) / Naoyuki Aikawa(TUS) / Nozomu Togawa(Waseda Univ.) |
| Vice Chair | Atsuo Ozaki(Osaka Inst. of Tech.) / Yasuhiro Takashima(Univ. of Kitakyushu) / Kazunori Hayashi(Osaka City Univ) / Yukihiro Bandou(NTT) / Daisuke Fukuda(Fujitsu Labs.) |
| Secretary | Atsuo Ozaki(Osaka Univ.) / Yasuhiro Takashima(Hokkaido Univ.) / Kazunori Hayashi(Hitachi) / Yukihiro Bandou(Yamanashi Univ.) / Daisuke Fukuda(Hiroshima Univ.) |
| Assistant | Naoki Hayashi(Osaka Univ.) / Hiroki Sato(Sony LSI Design) / Motoi Yamaguchi(Renesas Electronics) / / Kazuki Ikeda(Hitachi) |
| Paper Information | |
| Registration To | Technical Committee on Mathematical Systems Science and its applications / Technical Committee on Circuits and Systems / Technical Committee on Signal Processing / Technical Committee on VLSI Design Technologies |
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| Language | JPN |
| 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 |
| 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.) |
| Date | 2019-07-31 |
| Paper # | CAS2019-22,VLD2019-28,SIP2019-38,MSS2019-22 |
| Volume (vol) | vol.119 |
| Number (no) | CAS-153,VLD-154,SIP-155,MSS-156 |
| Page | pp.pp.99-104(CAS), pp.99-104(VLD), pp.99-104(SIP), pp.99-104(MSS), |
| #Pages | 6 |
| Date of Issue | 2019-07-23 (CAS, VLD, SIP, MSS) |