INF5470 — Fall 2010 Philipp Häfliger Lecture 7: Cochleomorphic Hearing
Content The Ear and the Cochlea Silicon Cochlea Lecture 7: Cochleomorphic Hearing 2
Content The Ear and the Cochlea Silicon Cochlea Lecture 7: Cochleomorphic Hearing 3
Ear and Cochlea Cross Section Lecture 7: Cochleomorphic Hearing 4
Cochlear Duct Cross Section Lecture 7: Cochleomorphic Hearing 5
Hairs of Basilar Membrane Hair Cells Lecture 7: Cochleomorphic Hearing 6
Content The Ear and the Cochlea Silicon Cochlea Lecture 7: Cochleomorphic Hearing 7
Resonant Second Order Low Pass Filter � 1 � 1 τ 1 + 1 τ 2 − 1 ¨ ˙ V out = τ 1 τ 2 (V out − V in ) − V out τ 3 Lecture 7: Cochleomorphic Hearing 8
Second Order Filters in Parallel 1.4 1.2 1 amplification 0.8 0.6 0.4 0.2 0 −2 −1 0 1 2 3 10 10 10 10 10 10 freq ω Lecture 7: Cochleomorphic Hearing 9
Second Order Filters in Cascade 1.8 1.6 1.4 1.2 amplification 1 0.8 0.6 0.4 0.2 0 −2 −1 0 1 2 3 10 10 10 10 10 10 freq ω Lecture 7: Cochleomorphic Hearing 10
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