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Paper Abstract and Keywords
Presentation 2016-06-16 11:40
A method of reducing amount of operations on the bit serial multiply-accumulator and its application
Daichi Okamoto (Okayama Prefectural Univ.), Masafumi Kondo (Kawasaki Univ. of Medical Welfare), Yoshihiro Sejima, Tomoyuki Yokogawa, Kazutami Arimoto, Yoichiro Sato (Okayama Prefectural Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) Although the digital hearing aids with the high functionality of digital signal processor (DSP) becomes widely used, its battery life is limited to only a few days.
In order to solve this problem, we have proposed the low power bit serial multiply-accumulator (BS-MAC) by using a ring oscillator.
In BS-MAC which calculates sequentially per bit, however, it was difficult to satisfy the performance for necessary of a digital filter.
Therefore, we focus on unnecessary operations by zero multiplication, and improve the
calculation time and power consumption by curtailing these operations in BS-MAC.
In additon, we design FIR filter as an application of the BS-MAC, and confirm its operation through implementation on FPGA.
Keyword (in Japanese) (See Japanese page) 
(in English) digital hearing aid / bit serial / ring oscillator / low power consumption / FIR filter / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 93, CAS2016-7, pp. 35-40, June 2016.
Paper # CAS2016-7 
Date of Issue 2016-06-09 (CAS, VLD, SIP, MSS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee VLD CAS MSS SIP  
Conference Date 2016-06-16 - 2016-06-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Hirosaki Shiritsu Kanko-kan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) System, signal processing and related topics 
Paper Information
Registration To CAS 
Conference Code 2016-06-VLD-CAS-MSS-SIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A method of reducing amount of operations on the bit serial multiply-accumulator and its application 
Sub Title (in English)  
Keyword(1) digital hearing aid  
Keyword(2) bit serial  
Keyword(3) ring oscillator  
Keyword(4) low power consumption  
Keyword(5) FIR filter  
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Keyword(7)  
Keyword(8)  
1st Author's Name Daichi Okamoto  
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 Yoshihiro Sejima  
3rd Author's Affiliation Okayama Prefectural University (Okayama Prefectural Univ.)
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
Date Time 2016-06-16 11:40:00 
Presentation Time 20 
Registration for CAS 
Paper # IEICE-CAS2016-7,IEICE-VLD2016-13,IEICE-SIP2016-41,IEICE-MSS2016-7 
Volume (vol) IEICE-116 
Number (no) no.93(CAS), no.94(VLD), no.95(SIP), no.96(MSS) 
Page pp.35-40 
#Pages IEICE-6 
Date of Issue IEICE-CAS-2016-06-09,IEICE-VLD-2016-06-09,IEICE-SIP-2016-06-09,IEICE-MSS-2016-06-09 


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