1-bit signal processing apparatus capable of amplitude modulatio

Coded data generation or conversion – Digital code to digital code converters

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341143, H03M 302

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active

057011249

ABSTRACT:
A digital signal process apparatus adapted to vary a one-bit digital signal in the amplitude direction by performing preset processing operations based upon a multi-bit coefficient generator, a coefficient generated by the coefficient generator and a one-bit digital signal, and a recording/reproducing apparatus containing the digital signal processing circuit.

REFERENCES:
patent: 5248971 (1993-09-01), Mandl
patent: 5375189 (1994-12-01), Tsutsui
D. Jones et al., Design and Analysis of Delta-Sigma Based IIR Filters, IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing, vol. 40, No. 4, pp. 233-240 (1993).
A. Lu et al., A High-Quality Analog Oscillator Using Oversampling D/A Conversion Techniques, IEEE Transactions on Circuits and SystemnsII: Analog and Digital Signal Processing, vol. 41, No. 7, pp. 437-443 (1994).
Finer Audio From CDs, Machine Design, vol. 61, No. 17, pp. 64-66 (Aug. 24, 1989).

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