Method of and arrangement for converting the temporal rate of hi

Details Method of and arrangement for converting the temporal rate of hi Method of and arrangement for converting the temporal rate of hi

1989-10-18

1990-10-16

Britton, Howard W

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358105, H04N 701

Patent

active

049639650

ABSTRACT:
Method of and arrangement for converting the temporal rate of high definition television pictures, in accordance with which, after the division by two of the line period in a line period changing circuit (100) and storing the fields of the picture for a working period corresponding to one period with the aid of field memories (90, 80, 70, 311), these fields are processed in parallel by simple field repetition, by taking a motion compensated half-sum and by filtering and, by the selection of one of the three field sequences thus processed e.g. with the aid of digital assistance signals provided in the HD-MAC high definition television standard. This method and device can be used in high definition television receivers.

REFERENCES:
patent: 4668974 (1987-05-01), Kita
patent: 4908697 (1990-03-01), Tsinberg

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