A new principle for digital audio power amplifiers is described which could be called a one-bit power D/A converter. It involves the amplification of the one-bit highly oversampled and noise shaped digital signal to a level equal to that of an audio power amplifier using high frequency power electronics in a switch mode resonant converter followed by an analog low-pass filter.

Author: Andersen, Michael A. E.
Affiliation: Laboratory of Industrial Electronics, Technical University of Denmark, Lyngby, Denmark
AES Convention: 92 (March 1992) Paper Number: 3226
Publication Date: March 1, 1992
Subject: Digital Signal Processing

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