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From: "Richard F. Lyon" <DickLyon@xxxxxxx>
Date: Sat, 8 Dec 2007 11:03:26 -0800
Comments: To: vishal kooknoor <vishalkooknoor85@YAHOO.CO.IN>
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The "second filter" is an obsolete concept that was caused by misunderstanding the relationship between broad filters and sharp iso-response tuning curves in a compressive nonlinear system.

See my paper AUTOMATIC GAIN CONTROL IN COCHLEAR MECHANICS
http://dicklyon.com/tech/Hearing/AGC_MOH1990-Lyon.pdf
or video of my recent cochlea modeling retrospective talk:
http://www.archive.org/details/Helen_Wills_2007_10_01_Richard_Lyon

Dick

At 11:06 PM +0530 12/8/07, vishal kooknoor wrote:

Please can anyone provide me information about the "second filter" which is hypothesized to be in between the "first filter" of basilar membrane and auditory nerve fibers.

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  - From: vishal kooknoor

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