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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.
One of a hierarchy of North American data transmission rates associated with ISDN and B-ISDN, 44.736 Mbps. The terrestrial and satellite format for transmitting information digitally. DS3 has a capacity of 672 voice circuits at a transmission speed of 44.736 Mbps (commonly referred to as 45 Mbps). DS3 is used for digital television distribution using mezzanine level compression – typically MPEG-2 in nature, decompressed at the local station to full bandwidth signals (such as HDTV) and then re-compressed to the ATSC’s 19.39 Mbps transmission standard.
Industry:Entertainment
An effect available in some special effects generators and video mixers in which one video signal is keyed on top of another video signal. The lightest portions of the DSK signal replace the source video leaving the dark areas showing the original video image.
Optionally, the DSK signal can be inverted so the dark portions are keyed rather than the lightest portions allowing a solid colour to be added to the keyed portions. The DSK input is most commonly a video camera or character generator. The DSK signal must be genlocked to the other signals.
Industry:Entertainment
An alternative to cable and analogue satellite reception initially using a fixed 18-inch dish focused on one or more geostationary satellites. DSS units are able to receive multiple channels of multiplexed video and audio signals as well as programming information, email, and related data. DSS typically used MPEG-2 encoding.
Industry:Entertainment
A modulation technique that might be applied to two of the components of ACTV.
Industry:Entertainment
A device that converts digital signals to analogue signals.
Industry:Entertainment
A) A term used for all types of digital television including High Definition Television and Standard Definition Television.
b) Another acronym for the new digital television standards. See HDTV.
Industry:Entertainment
Originally Compaq, Microsoft, and Intel, later joined by Lucent Technology. The DTV Team promotes the computer industry’s views on digital television, namely, that DTV should not have interlace scanning formats but progressive scanning formats only. (Intel, however, now supports all the ATSC Table 3 formats, including those that are interlace, such as 1080i.)
Industry:Entertainment
Refers to a transport system in which a capstan and pinchroller are used on both sides of the recording and playback head system.
Industry:Entertainment
Usually expressed as a number of passes that can be made before a significant degradation of output occurs; divided by the corresponding number that can be made using a reference tape.
Industry:Entertainment
