DocumentCode
2867961
Title
A Fully Integrated Digital Hearing-Aid Chip with Human-Factors Considerations
Author
Kim, Sunyoung ; Lee, Seung Jin ; Cho, Namjun ; Song, Seong-Jun ; Yoo, Hoi-Jun
Author_Institution
KAIST, Daejeon
fYear
2007
fDate
11-15 Feb. 2007
Firstpage
154
Lastpage
593
Abstract
A digital hearing-aid chip integrates a pre-fitting verification algorithm to obtain gain fitting in two steps: coarse and fine. The internal ear canal modeling filter circuit enables the coarse fitting based on the shape of the external ear. Fine fitting verification is performed with external inputs. The 3.74mm2 chip draws less than 120muA from a single 0.9V supply in a 0.18mum CMOS technology.
Keywords
CMOS digital integrated circuits; filters; hearing aids; human factors; 0.18 micron; 0.9 V; CMOS technology; coarse fitting; filter circuit; fine fitting; gain fitting; human-factors considerations; integrated digital hearing-aid chip; internal ear canal modeling; pre-fitting verification algorithm; Auditory system; DH-HEMTs; Deafness; Ear; Electromagnetic compatibility; Filters; Human factors; Irrigation; Resonance; Shape;
fLanguage
English
Publisher
ieee
Conference_Titel
Solid-State Circuits Conference, 2007. ISSCC 2007. Digest of Technical Papers. IEEE International
Conference_Location
San Francisco, CA
ISSN
0193-6530
Print_ISBN
1-4244-0853-9
Electronic_ISBN
0193-6530
Type
conf
DOI
10.1109/ISSCC.2007.373634
Filename
4242311
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