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Surround replay systems may make use of bass management, the fundamental principle of which is that bass content in the incoming signal, irrespective of channel, should be directed only to loudspeakers capable of handling it, whether the latter are the main system loudspeakers or one or more special low-frequency speakers called subwoofers.
Tri-amping is the practice of connecting three channels of amplification to a loudspeaker unit: one to power the bass driver , one to power the mid-range and the third to power the treble driver . The terms derive from the prefix bi-meaning 'two', tri-meaning 'three', and amp the abbreviation for amplifier.
The signal is then reproduced over multiple loudspeakers to recreate, as closely as possible, the live sound. Secondly artificial or pan stereo, in which a single-channel sound is reproduced over multiple loudspeakers. By varying the relative amplitude of the signal sent to each speaker, an artificial direction (relative to the listener) can be ...
A four channel quadraphonic diagram showing the usual placement of speakers around the listener. Quadraphonic (or quadrophonic, also called quadrasonic or by the neologism quadio [1] [formed by analogy with "stereo"]) sound – equivalent to what is now called 4.0 surround sound – uses four audio channels in which speakers are positioned at the four corners of a listening space.
By the early 1960s, stereo had become the new standard, offering listeners an immersive experience with left and right channels, as well as a phantom "center" channel. This two-channel system introduced concepts like imaging, left-right panning, three-dimensionality, and depth, creating a lifelike soundstage that mono systems couldn't replicate.
The three front speakers are so close together (-30°, 0°, +30°) that they will exhibit significant crosstalk in first-order, which causes irritating phasing artefacts without any benefit. Therefore, it is advisable to omit the center speaker and decode only for L, R, Ls and Rs, as has been done in all pre-decoded G-format releases for 5.1.
The Chinese balloon that sparked panic when it flew over the US two years ago was, as long suspected, set up to spy on Americans — but surprisingly with US-made technology, according to a new ...
The midwoofer-tweeter-midwoofer loudspeaker configuration (called MTM, for short) was a design arrangement from the late 1960s that suffered from serious lobing issues that prevented its popularity until it was perfected by Joseph D'Appolito as a way of correcting the inherent lobe tilting of a typical mid-tweeter (MT) configuration, at the crossover frequency, unless time-aligned. [1]