This paper describes a method for direct conversion of digitally encoded audio signals into analog power to drive a loudspeaker without any intermediate conversion to an analog voltage representation - this is digital pulse width modulation. The technique is described in general terms and a selection of simulation results presented. Finally, some insight into a possible physical implementation is given.
Author:
Sandler, Mark
Affiliation:
King's College (University of London), London, England
AES Convention:
76 (October 1984)
Paper Number:
2135
Publication Date:
October 1, 1984
Subject:
Digital and Analog Signal Processing
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