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. Author manuscript; available in PMC: 2008 Jun 26.
Published in final edited form as: J Acoust Soc Am. 2007 Feb;121(2):978–993. doi: 10.1121/1.2427128

FIG. 1.

FIG. 1

Signal flow diagram in external, middle, and inner ears. On pressure variables and S matrices, a superscript + denotes wave in forward direction, and superscript − denotes wave in reverse direction.