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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.
We think of a normal key as, for example, letters superimposed over a background. When this key is inverted, the background appears inside the key; it appears we are looking through the cut-out key and seeing the background. The key insert video appears outside the key.
Industry:Software
a) The opposition of a device to current flow. A combination of resistance, inductive reactance, and capacitive reactance. When no capacitance or inductance is present, impedance is the same as resistance.
b) A resistance to signal flow. Microphones and audio mixers are rated for impedance.
Industry:Software
A database of information about each user that, at the minimum, consists of login name, user ID, and a home directory.
Industry:Software
Defined by MPEG-2 as the combined rate of all video and audio elementary stream packets common to one program. This rate also includes the VBI and sub-picture private stream data, which MPEG treats as a private stream type. Mux rate is always specified as 10.08 mb/s because this is the rate at which user data arrives into the track buffer.
Industry:Software
A video signal occupies a wide spectrum of frequencies, from nearly DC (0 Hz) to 6 MHz. If the output impedance of either the video source, cable, or input impedance of the receiving equipment are not properly matched, a series of problems may arise. Loss of high-frequency detail and color information as well as image instability, oscillations, snow, ghost images, and component heat-up may result.
Proper connections and cable types provide correct impedances. See Load Resistance.
Industry:Software
A registered trademark of E.I. duPont de Nemours & Co., designating their polyester film.
Industry:Software
