Matrox Multi Spécifications télécharger pdf (Page 62)

62 Appendix D: Glossary

• Reference levels

The zero and full-scale levels of an analog-to-digital converter. Voltages below a

black reference level are converted to a zero pixel value; voltages above a white

reference level are converted to the maximum pixel value. Together with the analog

gain factor, the reference levels affect the brightness and contrast of the resulting

image.

•RGB

A color space that represents color using the primary colors (red, green and blue)

as components.

• Synchronous function

A function that does not return control to the caller until it has finished executing.

See also horizontal sync.

•VIA

Video Interface ASIC. A custom ASIC that connects all the data buses on the board

(grab and PCI bus) to one another, and directs and monitors data flow "traffic".

It is a video interface that provides various ways of inputting and outputting data.

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Matrox Multi Spécifications Page 62