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Dipole speakers are said to be better for rear speakers in surround-sound systems, [4] although this is disputed [5] (or at least success depends on factors such as room acoustics, type of music, and so on). The THX standard specifies dipoles for the surround speakers in home theater, but that part of the spec is often ignored in practice.
Generally speaking, a large-panel dipole radiator is more demanding of a proper physical placement within a room when compared to a conventional box speaker, but, once there, it is less likely to excite bad-sounding room resonances, and its direct-to-reflected sound ratio is higher by some 4–5 decibels.
Often dipole (sometimes even quadrupole) speakers are used to do this, especially in small or home theater applications where an array of surround speakers as in a movie theater is not practical or possible. [1] A common misconception is that surround channels are "rear channels."
7.1.2 and 7.1.4 immersive sound along with 5.1.2 and 5.1.4 format adds either 2 or 4 overhead speakers to enable sound objects and special effect sounds to be panned overhead for the listener. Introduced for theatrical film releases in 2012 by Dolby Laboratories under the trademark name Dolby Atmos .
The only addition with 12.2 from 10.2 are the "point surround" or "diffuse surround" channels. These would be placed at the same angles as the standard surround speakers at +/-120 degrees, but would be diffuse radiators using dipole speakers. They would emit sound to reflect off the walls before arriving at the listening area. [3]
Late version Quad "ESL-57" loudspeaker with black grilles and rosewood end caps. The Quad Electrostatic Loudspeaker (ESL) is the world's first production full-range electrostatic loudspeaker, launched in 1957 by Quad Electroacoustics, then known as the Acoustical Manufacturing Co. Ltd. [1] The speaker is shaped somewhat like a home electric radiator curved slightly on the vertical axis.
Depression is primarily a human condition described by the World Health Organization as a low mood or loss of pleasure or interest in activities for long periods of time. In people, it results ...
A stereo dipole is a sound source in an Ambiophonic system, made by two closely spaced loudspeakers that ideally span 10 to 30 degrees. Thanks to the cross-talk cancellation method, a stereo dipole can render an acoustic stereo image nearly 180 degrees wide (single stereo dipole) or 360 degrees (dual or double stereo dipole).
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