Correlogram Chip


This is a video capture of the output from Richard Lyon's correlogram chip.

Lyon, R.F.; , "CCD correlators for auditory models," Signals, Systems and Computers, 1991. 1991 Conference Record of the Twenty-Fifth Asilomar Conference on , vol., no., pp.785-789 vol.2, 4-6 Nov 1991, doi: 10.1109/ACSSC.1991.186554. URL:

This is the best copy of this video that we have. We apologize for the low frame rate.

Time Delay


This video demonstrates the new correlogram chip, which includes both an analog silicon cochlea as well as an array of auto-correlators based on charge-coupled devices.