contrast video signal

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• Video capture — is the process of converting an analog video signal such as that produced by a video camera or DVD player to digital form. The resulting digital data are referred to as a digital video stream , or more often, simply video stream . This is in… …   Wikipedia

• Video scaler — A video scaler is a device for converting video signals from one size or resolution to another: usually upscaling or upconverting a video signal from a low resolution (e.g. standard definition) to one of higher resolution (e.g. high definition… …   Wikipedia

• Video assist — Actor Gunner Wright appears on a video assist monitor during the filming of the 2011 movie Love. Video assist is a system used in filmmaking which allows filmmakers to view a video version of a take immediately after it is filmed. Originally a… …   Wikipedia

• Video monitor — A video monitor also called a broadcast monitor, is a device similar to a television, used to monitor the output of a video generating device, such as a media playout server, IRD, video camera, VCR, or DVD player. It may or may not have audio… …   Wikipedia

• Video gain (white level, white bar, reference white) — A&V The range of light to dark values of the image which are proportional to the voltage difference between the black and white voltage levels of the video signal. Expressed on the waveform monitor by the voltage level of the whitest whites in… …   Audio and video glossary

• Video projector — Projected image from a video projector in a home cinema. A video projector is an image projector that receives a video signal and projects the corresponding image on a projection screen using a lens system. All video projectors use a very bright… …   Wikipedia

• Signal-to-noise ratio — For signal to noise ratio in statistics, see Cohen s d. Signal to noise ratio (often abbreviated SNR or S/N) is a measure used in science and engineering that compares the level of a desired signal to the level of background noise. It is defined… …   Wikipedia

• Video camera tube — In older video cameras, before the mid to late 1980s, a video camera tube or pickup tube was used instead of a charge coupled device (CCD) for converting an optical image into an electrical signal. Several types were in use from the 1930s to the… …   Wikipedia

• Contrast-to-noise ratio — Haze over Kuala Lumpur. Contrast to noise ratio (CNR) is a measure used to determine image quality. CNR is similar to the metric, signal to noise ratio (SNR), but subtracts off a term before taking the ratio. This is important when there is a… …   Wikipedia

• Laser video projector — A laser video projector takes a video signal and modulates a laser beam in order to project a raster based image. The systems work either by scanning the entire picture a dot at a time and modulating the laser directly at high frequency, much… …   Wikipedia

• Composite video — Not to be confused with Component video. Composite video On consumer products a yellow RCA connector is typically used for composite video. Type Analog video connector …   Wikipedia