DocumentCode
284766
Title
Programmable audiogram matching using a frequency sampling filter implemented on the Texas TMS 320C30
Author
Black, N D ; Lydon, M. ; Waterman, N. ; Powderly, M.
Author_Institution
Dept. of Electr. Eng., Ulster Univ., Jordanstown, UK
Volume
2
fYear
1992
fDate
23-26 Mar 1992
Firstpage
225
Abstract
A frequency sampling filter which has been implemented on a master digital hearing aid comprising a Texas TMS 320C30 DSP and associated circuitry is presented. The filter runs in real time and is used to provide a response, determined from the human audiogram, which compensates for loss of gain. The algorithm matches given requirements using a filter structure consisting of a comb filter having 400 zeros in cascade with 167 digital resonators
Keywords
biomedical electronics; digital filters; digital signal processing chips; hearing aids; Texas TMS 320C30; comb filter; digital hearing aid; digital resonators; frequency sampling filter; human audiogram; programmable audiogram matching; Auditory system; Digital filters; Filtering theory; Finite impulse response filter; Frequency; Humans; Matched filters; Resonator filters; Sampling methods; Signal processing algorithms;
fLanguage
English
Publisher
ieee
Conference_Titel
Acoustics, Speech, and Signal Processing, 1992. ICASSP-92., 1992 IEEE International Conference on
Conference_Location
San Francisco, CA
ISSN
1520-6149
Print_ISBN
0-7803-0532-9
Type
conf
DOI
10.1109/ICASSP.1992.226079
Filename
226079
Link To Document