Electronic simulator of non-linear and active cochlear spectrum analysis
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United States of America Patent
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Mar 28, 1995
Grant Date -
N/A
app pub date -
Nov 2, 1992
filing date -
Nov 2, 1992
priority date (Note) -
Expired
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Abstract
A model simulating cochlear spectrum analysis is disclosed which includes a pair of matched all pole lattices interconnected by a plurality of tip couplers providing non-linear distributed bilateral signal processing. One of the lattices along with the tip couplers corresponds to the organ of Corti found in the cochlea and the second lattice corresponds to the basilar membrane also found in the cochlea such that the model provides a striking resemblance in structure to the physical properties of the cochlea itself. With the cochlea model disclosed, distortion products and otoacoustic emissions are simulated. An intermediate model is also disclosed which provides bilateral signal processing but lacks distributed amplification.
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