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The tapped speaker must then return to the outer circles, being replaced by the new speaker, who carries on the conversation in their place. In a closed fishbowl, the initial participants speak for some time. When time runs out, they leave the fishbowl and a new group from the audience enters the fishbowl.
MediaMate speakers (either side of a CD player) The computer speakers from Bose was the "MediaMate" system, which was released in 1987. The MediaMate included magnetic shielding so that they could be placed near a CRT computer monitor without causing the monitor's image to distort. They had dual inputs and two sources (such as a CD player and a ...
A PC speaker is a loudspeaker built into some IBM PC compatible computers. The first IBM Personal Computer, model 5150, employed a standard 2.25 inch magnetic driven (dynamic) speaker. [1] More recent computers use a tiny moving-iron or piezo speaker instead. [2]
The stroboscopic effect also plays a role in audio playback. Compact discs rely on strobing reflections of the laser from the surface of the disc in order to be processed (it is also used for computer data). DVDs and Blu-ray Discs have similar functions. The stroboscopic effect also plays a role for laser microphones.
Computer speakers, or multimedia speakers, are speakers sold for use with computers, although usually capable of other audio uses, e.g. for an MP3 player. Most such speakers have an internal amplifier and consequently require a power source, which may be by a mains power supply often via an AC adapter , batteries, or a USB port.
In 1996, for the first time, speakers at the Democratic National Convention, held at the United Center in Chicago, Illinois, used a four-teleprompter system: as can be seen at another convention in image (A), the first three prompters are placed to the left, right and in front of the speaker, the latter embedded within the speaker's lectern ...
The output pattern of an industrial loudspeaker shown using spherical polar plots taken at six frequencies. Loudspeaker measurement is the practice of determining the behaviour of loudspeakers by measuring various aspects of performance.
It was the subject of the world's first webcam, created by Quentin Stafford-Fraser and Paul Jardetzky in 1991. To save people working in the building the disappointment of finding the coffee machine empty after making the trip to the room, a camera was set up providing a live picture of the coffee pot to all desktop computers on the office network.