Lecture 8

Neuromorphic Hearing

1

Outline

• The ear and the cochlea• Artificial Vs biological vision systems• Fundamentals of photo receptors • Read-out strategies• Examples of neuromorphic vision systems• Further processing

2

Ear and Cochlea Cross Section

3

Retina Cells

4

Hair Cells

5

Outline

• The ear and the cochlea• Silicon Cochlea

6

Resonant low pass filter with transconductance amplifiers (I)

7

• Second order transfer function:

• Generic second order transfer function:

8

Resonant low pass filter with transconductance amplifiers (II)

Second order filters in parallel

9

Second order filters in cascade

10