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New Principle for Digital Audio Power Amplifiers

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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.

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Permalink: http://www.aes.org/e-lib/browse.cfm?elib=6907

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AES - Audio Engineering Society