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The sound bar utilizes analysis of a room's reflective characteristics to enable a single-unit 5.1.4 setup. [47] On May 17, 2021, Apple Music announced the addition of spatial audio with support for Dolby Atmos and lossless audio. [48] The feature was introduced to Apple Music users on Apple devices starting from June 7, 2021. [49]
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.
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).