Analog VLSI model of binaural hearing

The stereausis model of biological auditory processing is proposed as a representation that encodes both binaural and spectral information in a unified framework. A working analog VLSI chip that implements this model of early auditory processing in the brain is described. The chip is a 100000-transi...

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Bibliographic Details
Published in:IEEE transactions on neural networks 1991-03, Vol.2 (2), p.230-236
Main Authors: Mead, C.A., Arreguit, X., Lazzaro, J.
Format: Article
Language:English
Subjects:
Analog computers
Analog integrated circuits
Auditory system
Biological and medical sciences
Biological information theory
Biological system modeling
Biology computing
Brain modeling
Computer displays
Ear
Ear and associated structures. Auditory pathways and centers. Hearing. Vocal organ. Phonation. Sound production. Echolocation
Fundamental and applied biological sciences. Psychology
Vertebrates: nervous system and sense organs
Very large scale integration
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Summary:The stereausis model of biological auditory processing is proposed as a representation that encodes both binaural and spectral information in a unified framework. A working analog VLSI chip that implements this model of early auditory processing in the brain is described. The chip is a 100000-transistor integrated circuit that computes the stereausis representation in real time, using continuous-time analog processing. The chip receives two audio inputs, representing sound entering the two ears, computes the stereausis representation, and generates output signals that can directly drive a color CRT display. Outputs from the chips for a variety of artificial and speech stimuli are shown.< >
ISSN:1045-9227
1941-0093
DOI:10.1109/72.80333