1977 11th Asilomar Conference on Circuits, Systems and Computers, 1977. Conference Record. (1977)
Pacific Grove, CA, USA
Nov. 7, 1977 to Nov. 9, 1977
TABLE OF CONTENTS
G.H. Hostetter , A single data line zero-crossing detector input to a microprocessor or other computer is evaluated for use in lieu of analog/digital conversion in the processing of complex continuous-time waveforms. Times between successive zero-crossing samples may be stored using a simple count/reset program loop, and a slight biasing of the input conveniently establishes a noise threshold. Applications to speech processing are discussed, and experimental results are presented.