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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.
A specific software-based protocol or language for linking several devices together. Communication protocols are used between computers and VCRs or edit controllers to allow bidirectional “conversation” between the units. See RS-232/RS-422.
Industry:Entertainment
Acronym for cable TV, derived from the older term, community antenna television. Also can stand for Community Access TV.
Industry:Entertainment
A feature exclusive to AVC series switchers, allowing key borders to be extended to the right and bottom up to 14 lines deep.
Several special key effects can be accomplished with this including delayed and decayed keys.
Industry:Entertainment
A small (4 x 2-1/2 x 1/2") tape cartridge developed by Philips, containing tape about 1/7" wide, running at 1-7/8 ips.
Recordings are bidirectional, with both stereo tracks adjacent for compatibility with monophonic cassette recorders; whose heads scan both stereo tracks at once.
Industry:Entertainment
An enhancement to the basic key border function allowing up to 14 lines of dropshadow or reinserted insert video in a decaying mode. This uses a patented circuit which increases the creative possibilities.
Industry:Entertainment
A 4.75" disc used to store optical, machinereadable, digital data that can be accessed with a laser-based reader such as a CD player.
Industry:Entertainment
One of two fields that comprise a frame of interlaced video. Each line of a bottom field is spatially located immediately below the corresponding line of the top field.
Industry:Entertainment
CD-I means Compact Disc Interactive. It is meant to provide a standard platform for mass consumer interactive multimedia applications. So it is more akin to CD-DA, in that it is a full specification for both the data/code and standalone playback hardware: a CD-I player has a CPU, RAM, ROM, OS, and audio/video/(MPEG) decoders built into it. Portable players add an LCD screen and speakers/phone jacks. It has limited motion video and still image compression capabilities. It was announced in 1986, and was in beta test by spring 1989. This is a consumer electronics format that uses the optical disc in combination with a computer to provide a home entertainment system that delivers music, graphics, text, animation, and video in the living room. Unlike a CD-ROM drive, a CD-I player is a standalone system that requires no external computer.
It plugs directly into a TV and stereo system and comes with a remote control to allow the user to interact with software programs sold on discs. It looks and feels much like a CD player except that you get images as well as music out of it and you can actively control what happens. In fact, it is a CD-DA player and all of your standard music CDs will play on a CD-I player; there is just no video in that case. For a CD-I disk, there may be as few as 1 or as many as 99 data tracks. The sector size in the data tracks of a CD-I disk is approximately 2 kbytes. Sectors are randomly accessible, and, in the case of CD-I, sectors can be multiplexed in up to 16 channels for audio and 32 channels for all other data types. For audio, these channels are equivalent to having 16 parallel audio data channels instantly accessible during the playing of a disk. Some useful references about CD-I are: “Discovering CD-I” available for $45 from Microware Systems Corp.; “Introducing CD-I” ISBN 0-201-62748-5; “The CD-I Production Handbook” ISBN 0-201-62750-7; “The CD-I Design Handbook” ISBN 0-201-62749-3.
Industry:Entertainment
a) An unnatural sudden variation in the brightness of the picture.
b) Oscillations and noise generated when a mechanical switch is opened or closed. See Debounce.
Industry:Entertainment
