Digital limiting circuit

Details Digital limiting circuit Digital limiting circuit

1987-12-01

1989-10-17

Shoop, Jr., William M.

Coded data generation or conversion

Digital code to digital code converters

Unnecessary data suppression

341 95, H03M 730

Patent

active

048750441

ABSTRACT:
A digital limiter limits the amplitude of a digital video signal by replacing input data that lies outside the range defined by lower and upper limit levels. Such data are replaced respectively with (1) an average value of (a) the data preceding the first data lying outside the range and (b) the upper or lower limit level data and (2) an average value of (a) the data following the last data lying outside the range and (b) the upper or lower limit level data. This enables a good soft-limit operation without compromising the linearity of the video signal.

REFERENCES:
patent: 4305063 (1981-12-01), Hanson
patent: 4335372 (1982-06-01), Aufderheide et al.

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