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Surround sound. 16.2 channel surround sound. Surround sound is a technique for enriching the fidelity and depth of sound reproduction by using multiple audio channels from speakers that surround the listener ( surround channels ). Its first application was in movie theaters.
Quadraphonic sound. Quadraphonic (or quadrophonic and sometimes quadrasonic) 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. The system allows for the reproduction of sound signals that are (wholly or in part) independent of one ...
AEW Dark: Elevation. AEW Dark: Elevation, also known as Dark: Elevation or simply Elevation, is an American professional wrestling streaming television program that was produced by the American promotion All Elite Wrestling (AEW), running from March 15, 2021, to April 24, 2023, on AEW's YouTube channel. The program was a spinoff of Dark that ...
Constant-voltage speaker systems are also commonly referred to as 25-, 70-, 70.7-, 100 or 210-volt speaker systems; distributed speaker systems; or high-impedance speaker systems. In Canada and the US, they are most commonly referred to as 70-volt speakers. In Europe, the 100 V system is the most widespread, with amplifier and speaker products ...
Zolotarev's lemma. In number theory, Zolotarev's lemma states that the Legendre symbol. for an integer a modulo an odd prime number p, where p does not divide a, can be computed as the sign of a permutation: where ε denotes the signature of a permutation and π a is the permutation of the nonzero residue classes mod p induced by multiplication ...
The Elevation Tour was a worldwide concert tour by Irish rock band U2. Staged in support of the group's 2000 album All That You Can't Leave Behind, the tour visited arenas across North America and Europe in 2001. Contrasting with the extravagant, outdoor productions of the band's previous two live ventures, the Zoo TV Tour (1992–1993) and the ...
The fraction 13/5 = 2.6 and the floor function have that effect; the denominator of 5 sets a period of 5 months. The overall function, mod 7 {\displaystyle \operatorname {mod} \,7} , normalizes the result to reside in the range of 0 to 6, which yields the index of the correct day of the week for the date being analyzed.
Kirkby eventually moved to Sydney in 1907 where he set up business manufacturing X-ray apparatus and consulting with the medical profession [52] He was first recorded practically demonstrating wireless telegraphy along with X-ray in 1899 [53] He was demonstrating experiments in X-ray and wireless at the Federal Exhibition and Palace of ...