Ad
related to: what is screen overlay
Search results
Results from the WOW.Com Content Network
Video overlay is any technique used to display a video window on a computer display while bypassing the chain of CPU to graphics card to computer monitor. This is done in order to speed up the video display, and it is commonly used, for example, by TV tuner cards and early 3D graphics accelerator cards.
Overlay combines Multiply and Screen blend modes. [4] Where the base layer is light, the top layer becomes lighter; where the base layer is dark, the top becomes darker; where the base layer is mid grey, the top is unaffected. An overlay with the same picture looks like an S-curve.
In computing, hardware overlay, a type of video overlay, provides a method of rendering an image to a display screen with a dedicated memory buffer inside computer video hardware. The technique aims to improve the display of a fast-moving video image — such as a computer game , a DVD , or the signal from a TV card .
A lower third at the bottom of the screen identifies him and explains the context of the broadcast. In the television industry, a lower third is a graphic overlay placed in the title-safe lower area of the screen, though not necessarily the entire lower third of it, as the name suggests. [1]
This technique is also referred to as color keying, color separation overlay (CSO; primarily by the BBC [3]), or by various terms for specific colour-related variants such as green screen or blue screen; chroma keying can be done with backgrounds of any color that are uniform and distinct, but green and blue backgrounds are more commonly used ...
Overlay control, in semiconductor manufacturing, for monitoring layer-to-layer alignment on multi-layer device structures Overlay plan , a method of introducing new area codes in telephony Historic overlay district , a zoning district that applies special rules to a portion of other districts, usually for historic or conservation reasons
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Overlay A itself consists of two overlay segments, AA, and AB. At execution time overlays A and B will both utilize the same memory locations; AA and AB will both utilize the same locations following the end of MOD3. All the segments between the root and a given overlay segment are called a path.
Ad
related to: what is screen overlay