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A Stereo 16-Bit Delta-Sigma A/D Converter for Digital Audio

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A two-channel 16-bit analog-to-digital (A/D) converter employing oversampling techniques has been developed. The device contains two fourth-order delta-sigma modulators with 1-bit outputs, each followed by a digital finite impulse response filter/decimator. The analog inputs are samples at 3.072 MHz and the digital words are output at 48 kHz.

JAES Volume 37 Issue 6 pp. 476-486; June 1989
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AES - Audio Engineering Society