Spiral buffer for non-linear editing

Details Spiral buffer for non-linear editing Spiral buffer for non-linear editing

1994-02-07

1995-11-07

Groody, James J.

Television

Image signal processing circuitry specific to television

With details of static storage device

348714, 360 141, H04N 514

Patent

active

054651204

ABSTRACT:
A spiral buffer for a non-linear editing system digitizes and stores an input video signal as it is simultaneously being cataloged by an operator. The digitized video signal is stored in a circular buffer of a random access non-linear storage device, such as a disk recorder, with the oldest video being overwritten by the newest video when the buffer is full so long as the oldest video has not been marked by the cataloging process to be kept. The marked video is edited, further pruning the video in the buffer. The pruning of the video in the circular buffer results in a spiral shrinking of the buffer.

REFERENCES:
patent: 4375083 (1983-02-01), Maxemchuk
patent: 5153726 (1992-10-01), Billing
patent: 5267351 (1993-11-01), Reber et al.
patent: 5339393 (1994-08-01), Duffy et al.
International Broadcasting Convention, Metropole Conference and Exhibition Centre, Brighton, UK, 23-27 Sep. 1988; Solid State Video Recorder, J. R. Crook and R. Billing.

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