Title :
A switched-current silicon cochlea
Author :
Abel, Christopher ; Park, Joshua ; Ismail, Mohammed ; Lohiser, Brian ; Justice, Scott ; Bibyk, Steven ; Fiez, Terri
Author_Institution :
Dept. of Electr. Eng., Ohio State Univ., Columbus, OH, USA
fDate :
27 Jun-2 Jul 1994
Abstract :
A novel implementation of a silicon cochlea based on second-order discrete-time switched-current filters is proposed. The system makes use of discrete-time downsampling to allow a repeated set of filters, which have a small range of time constants, to cover a much larger frequency range
Keywords :
acoustic signal processing; analogue processing circuits; discrete time filters; ear; integrating circuits; low-pass filters; switched current circuits; discrete-time downsampling; second-order discrete-time switched-current filters; switched-current silicon cochlea; Capacitors; Circuit topology; Cutoff frequency; Dynamic range; Ear; Filters; Humans; Sampling methods; Silicon; Switching circuits;
Conference_Titel :
Neural Networks, 1994. IEEE World Congress on Computational Intelligence., 1994 IEEE International Conference on
Conference_Location :
Orlando, FL
Print_ISBN :
0-7803-1901-X
DOI :
10.1109/ICNN.1994.374438
