VIDEO SIGNAL SWITCHING
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United States of America Patent
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N/A
Issued Date -
Sep 24, 2015
app pub date -
Jun 4, 2015
filing date -
Jul 15, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and system are provided in which a processor may perform fast source switching and/or automatic source switching by keeping active the signals from multiple sources. The processor may determine which received video signals are locked-in within a front-end portion of the processor. A video signal may be locked-in when a demodulator is locked to a carrier in the video signal or when a decoder is programmed to decode the video signal. During operation, the processor may switch from processing a current video signal to processing a video signal selected from those determined to be locked-in. The processor may maintain active a portion of a back-end portion of the processor to handle the switch from the current video signal to the selected video signal. The processor may switch to process between video signals when a predetermined content and/or metadata is detected within one of the video signals.
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