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Tektronix provides test and measurement instruments, solutions and services for the computer, semiconductor, military/aerospace, consumer electronics and education industries worldwide.
Structure of a video signal wherein the luminance and two band-limited color-difference signals are simultaneously present in the channel. The format may be achieved by frequency-division multiplexing, quadrature modulation, etc. It is common to strive for integrity by suitable separation of the frequencies, or since scanned video signals are highly periodic, by choosing frequencies such that the chrominance information is interleaved within spectral regions of the luminance signal wherein a minimum of luminance information resides.
Industry:Entertainment
A code number sent out to activate a particular device on a shared serial or parallel bus interface. Also, the identification number of a device.
Industry:Entertainment
General purpose computing system incorporating a CPU, memory, I/O facilities, and power supply.
Industry:Entertainment
A signal consisting of combined luminance and chrominance information using frequency-domain multiplexing. For example, NTSC and PAL video signals.
Industry:Entertainment
Conflict that occurs when two or more device outputs of opposite logic states are placed on a three-state bus at the same time.
Industry:Entertainment
Name of a Time Inc. pay-TV company that predated HBO; also an unrealized concept created by Paul Klein, the company’s founder, that would allow viewers access to a vast selection of television programming with no temporal restrictions, in the same way that telephone subscribers can call any number at any time. B-ISDN might offer the key to the transmission problem of computer television; the random-access library-storage problems remain.
Industry:Entertainment
Brouters are bridge/router hybrid devices that offer the best capabilities of both devices in one unit. Brouters are actually bridges capable of intelligent routing and therefore are used as generic components to integrate workgroup networks . The bridge function philtres information that remains internal to the network and is capable of supporting multiple higher-level protocols at once. The router component maps out the optimal paths for the movement of data from one point on the network to another.
Since the brouter can handle the functions of both bridges and routers, as well as bypass the need for the translation across application protocols with gateways, the device offers significant cost reductions in network development and integration.
Industry:Entertainment
A digitally encoded video signal, such as NTSC or PAL video, that includes horizontal and vertical synchronising information.
Industry:Entertainment
Linking together (of systems). Although the effect on quality resulting from a signal passing through many systems has always been a concern, the use of a series of compressed digital video systems is, as yet, not well known. The matter is complicated by virtually all digital compression systems differing in some way from each other, hence the need to be aware of concatenation. For broadcast, the current NTSC and PAL analogue compression systems will, more and more, operate alongside digital MPEG compression systems used for transmission and, possibly, in the studio. Even the same brand and model of encoder may encode the same signal in a different manner. See also Mole Technology.
Industry:Entertainment
A non-magnetic substance that forms on that area of a magnetic head’s surface over which tape passes. Its origin is not well understood but it is known to occur primarily in the presence of low humidity.
Industry:Entertainment
