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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.
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 ]
Center channel in a 5.1 speaker setup shown in red Center channel refers to an audio channel common to many surround sound formats. It is the channel that is mostly, or fully, dedicated to the reproduction of the dialogue of an audiovisual program.
The left and right surround speakers in the bottom line create the surround sound effect. 5.1 surround sound ("five-point one") is the common name for surround sound audio systems. 5.1 is the most commonly used layout in home theatres. [1] It uses five full-bandwidth channels and one low-frequency effects channel (the "point one"). [2]
7.1 channel surround is another setup, most commonly used in large cinemas, that is compatible with 5.1 surround, though it is not stated in the ITU-standards. 7.1 channel surround adds two additional channels, center-left (CL) and center-right (CR) to the 5.1 surround setup, with the speakers situated 15 degrees off centre from the listener. [24]
Unlike a speaker used with a sound card, the PC speaker is only meant to produce square waves to produce sounds such as beeping. Modern computers utilize a piezoelectric buzzer or a small speaker as the PC speaker. PC speakers are used during Power-on self-test to identify errors during the computer's boot process, without needing a video ...
The Philadelphia 76ers have been off to a rough start this season, falling to 2-11 after a loss to the Miami Heat on Monday.And things in the locker room are reportedly a bit shaky as well, with ...
A speaker from Labtec. Labtec Enterprises Inc. was founded in 1980 by Charles Dunn and based in Vancouver, Washington, for most of its independent existence.The company was initially focused on providing audio gear (primarily headsets) for the airline industry before branching out to providing peripherals for personal computers in 1990.
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