HP 2530p - EliteBook - Core 2 Duo 2.13 GHz Manuel de l'utilisateur - Page 28

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Adjusting webcam properties

You can adjust the following webcam properties:

●

Brightness—Controls the amount of light that is incorporated into the image. A higher brightness

setting creates a brighter image; a lower brightness setting creates a darker image.

●

Contrast—Controls the difference between lighter and darker areas on the image. A higher

contrast setting intensifies the image; a lower contrast setting maintains more of the original

information's dynamic range but leads to a flatter image.

●

Hue—Controls the aspect of color that distinguishes it from another color (what makes a color red,

green, or blue). Hue is distinct from saturation, which measures the intensity of the hue.

●

Saturation—Controls the strength of color in the final image. A higher saturation setting creates a

bolder image; a lower saturation setting creates a more subtle image.

●

Sharpness—Controls the definition of edges in an image. A higher sharpness setting creates a

more defined image; a lower sharpness setting creates a softer image.

●

Gamma—Controls the contrast affecting the mid-level grays or midtones of an image. Adjusting

the gamma of an image allows you to change the brightness values of the middle range of gray

tones without dramatically altering the shadows and highlights. A lower gamma setting makes

grays look black, and makes dark colors even darker.

●

Backlight Compensation—Compensates in cases where a subject with a large amount of

background light would otherwise be obscured by blooming or silhouetting.

●

NightMode—Compensates for low-light conditions.

●

Zoom (select models only)—Adjusts the zoom percentage for taking photos or recording videos.

●

Horizontal or vertical—Rotates the image horizontally or vertically.

●

50Hz or 60Hz—Adjusts the shutter speed to achieve a video recording that does not flicker.

Customizable preset profiles for multiple lighting conditions compensate for the following lighting

conditions: incandescent, fluorescent, halogen, sunny, cloudy, night.

Chapter 6 Webcam (select models only)