Digital to analog converter

Details Digital to analog converter Digital to analog converter

1982-06-10

1985-02-12

Kemeny, E. S. Matt

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Public address system

340347DA, 381 47, G10L 100

Patent

active

044995946

ABSTRACT:
In this pcm digital-to-analog converter, a probability value (soft decision), rather than the conventional one/zero value (hard decision), is given each sampled input of signal-plus-noise as a function of signal-to-noise ratio, thereby reducing the mean squared error in the output analog signal.

REFERENCES:
patent: 3712959 (1973-01-01), Fariello
patent: 3745463 (1973-07-01), Klein
patent: 3825925 (1974-07-01), Drusch
patent: 4044309 (1977-08-01), Smith
patent: 4331837 (1982-05-01), Soumagne

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