Method and apparatus for combining video streams

Details Method and apparatus for combining video streams Method and apparatus for combining video streams

1998-06-01

2000-10-31

Hsia, Sherrie

Television

Image signal processing circuitry specific to television

Special effects

348598, 348565, H04N 974, H04N 545

Patent

active

061410624

ABSTRACT:
A method and apparatus that combines video streams to reduce interconnection between video processors and rendering devices is presented. Multiple video streams are multiplexed at particular phases of a clock signal so that, at the rendering device, the desired video stream is selected by selecting the appropriate phased clock signal. In a preferred embodiment, the combined signal is compatible with conventional single-port rendering devices, such as displays, video recorders, and video encoders. Also presented is a means for selecting among multiple video streams that minimizes the number of interconnections that are switched.

REFERENCES:
patent: 5559562 (1996-09-01), Ferster
patent: 5675393 (1997-10-01), Chida

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