Video signal processing apparatus with pre-emphasis and de-empha

Details Video signal processing apparatus with pre-emphasis and de-empha Video signal processing apparatus with pre-emphasis and de-empha

1983-09-22

1986-05-06

Richardson, Robert L.

Dynamic magnetic information storage or retrieval

Monitoring or testing the progress of recording

358160, 358166, 358335, 358340, H04N 5782

Patent

active

045875766

ABSTRACT:
Video signal processing apparatus for processing video signals in which pre-emphasis of high frequency components of signals to be recorded is effected, and de-emphasis of high frequency components of reproduced signals is carried out. The pre-emphasis circuitry and de-emphasis circuitry is of the so called forward and backward type for weighting video signals inputted at past and future time frames.

REFERENCES:
patent: 4015076 (1977-03-01), Ishiodori

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