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A soundbar, sound bar or media bar is a type of loudspeaker that projects audio from a wide enclosure. It is much wider than it is tall, partly for acoustic reasons, and partly so it can be mounted above or below a display device (e.g. above a computer monitor or under a home theater or television screen).
A prototype for five-channel surround sound, then dubbed "quintaphonic sound", was used in the 1975 film Tommy. [6]5.1 dates back to 1976, [7] when Dolby Labs modified the track usage of the six analogue magnetic soundtracks on Todd-AO 70 mm film prints.
On February 26, 2008, the iTunes Store surpassed Best Buy to become the second-largest music vendor in the US behind Walmart, and became number one on April 3, 2008. [ 15 ] On October 10, 2012, the iTunes Store was reported to have a 64% share of the online music market, and a 29% share of all music sales worldwide.