Method of converting the clock rate of a digitized signal

Details Method of converting the clock rate of a digitized signal Method of converting the clock rate of a digitized signal

1991-11-21

1993-11-16

Kostak, Victor R.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358133, 3647241, H04N 713, H04N 701

Patent

active

052628582

ABSTRACT:
One-dimensional or multi-dimensional digitized signals are transformed into one-dimensional or multi-dimensional output signals by clock-rate conversion of subband signals. To synthesize the output signal at least one continuous subset of primary subband signals is used. The subset includes the subband signal with the lowest frequency range. During reproduction of images which are horizontally and vertically scanned and digitized, absolute and relative format changes can be implemented by the clock-rate conversion.

REFERENCES:
patent: 4612573 (1986-09-01), Grallert et al.
patent: 4829378 (1989-05-01), LeGall
patent: 4918524 (1990-04-01), Ansari et al.
patent: 5097331 (1992-03-01), Chen et al.
patent: 5128760 (1992-07-01), Chauvell

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