video overlay
The placement of a full-motion video window on the display screen. There are various techniques used to display video on a computer’s screen, depending on whether the video source has been digitized or is still in analog NTSC format.
Since computer monitors are generally analog, NTSC video can be merged with signals coming from the video adapter. Increasingly, faster computer buses (PCI, VL-bus, etc.) and faster video busses (Advanced Feature Connector, VM Channel, etc.), allow for analog video to be digitized and stored with other binary data for output. Then the video adapter turns it into analog scan lines for the monitor.
Read Also:
- video standards
There are a variety of video standards that define the resolution and colors for displays. Support for a graphics standard is determined both by the monitor and by the video adapter. The monitor must be able to show the resolution and colors defined by the standard, and the video adapter must be capable of transmitting […]
- video switcher
Also called a vision mixer, a video switcher is a hardware device used in video and film production to switch between different video or audio sources. This allows the producer to mix video and also add in special effects or footage captured on a secondary source.
- video transition
In video editing a transition is what the author shows between two shots or clips. The joining of those clips is the transition from one to the other. Transitions can be an instant scene or image change, a fade, fade to black, dissolve, pan from one person to another, or any digital effect.
- Videoconferencing
Videoconferencing (or video conference) means to conduct a conference between two or more participants at different sites by using computer networks to transmit audio and video data. For example, a point-to-point (two-person) video conferencing system works much like a video telephone. Each participant has a video camera, microphone, and speakers mounted on his or her […]
- videophile
Slang term used to describe a video enthusiast – that is, a person who has an extremely high interest in watching or making videos. A videophile may be overly concerned with near perfect audio quality and picture quality.