VSync 924 Specifiche Pagina 94

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94 Appendix A: Glossary
•Grab
To acquire an image from a video source.
Horizontal blanking period
The portion of a video signal after the end of a line and before the beginning of
a new line. During this period, the video signal is "blank".
See also vertical blanking period.
Horizontal synchronization signal
The part of a video signal that indicates the end of a line and the start of a new one.
See also vertical synchronization signal.
Interlaced scanning
Describes a transfer of data in which the odd-numbered lines of the source are
written to the destination buffer first, and then the even-numbered lines (or
vice-versa).
See also progressive scanning.
•Latency
The time from when an operation is started to when the final result is produced.
•LUT mapping
Lookup table mapping. A point-to-point operation that uses a table to define a
replacement value for each possible pixel value in an image.
•LVDS
Low-voltage differential signalling. LVDS offers a general-purpose, high bandwidth
interface standard for serial and parallel data interfaces that require increased
bandwidth at high speed, with low noise and power consumption.
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