22.2 multichannel sound system has been developed for a sound system of Super Hi-Vision (SHV) by Japan Broadcasting Corporation (NHK). SHV comprises 7680 x 4320 pixels (16 times the total number of pixels of a HDTV) and 60 Hz frame rate with progressive scanning. SHV also employs the 22.2 multichannel sound system consists of vertical three-layers-layout channels including 9 channels at top layer, 10 channels at middle layer and 3 channels at bottom layers with 2 Low Frequency Effects (LFE) channels. 22.2 multichannel sound system provides three-dimensional sound which enables viewers or listeners feel as they were in a realistic world of three-dimensional sound. SHV has been currently developed to be aimed for a next-generation TV for home and personal viewing environment. This paper reviews the 22.2 multichannel sound system and proposes various sound reproduction systems for home and personal hearing environment..
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