Digital circuit arrangement for quantization-noise reduction

Details Digital circuit arrangement for quantization-noise reduction Digital circuit arrangement for quantization-noise reduction

1987-12-08

1989-08-22

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307553, 307555, 307556, 307558, 307529, 328 14, 328162, 328165, 328167, H03K 500, H03K 508, H03B 1900, H03B 100

Patent

active

048598836

ABSTRACT:
The invention relates to a digital circuit arrangement which comprises an interpolation filter which over samples a digital input signal, a noise shaper (1) following the interpolation filter (1), and a digital-to-analog converter coupled to the output of the noise shaper. The noise shaper includes a quantizer whose output signal is the output signal of the noise shaper. A quantization-error signal is formed which is passed through a limiter, filtered and added to the output signal of the interpolation filter to provide correction.

REFERENCES:
Dick Goedhart, "14 Statt 16 Bit D/A-Umsetzer fur den Audiobereich", Elektronik 14, 15/7/1983, pp. 61-64.

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