In recent years the use of multi-channel surround sound systems has become ever more wide-spread. From standardized home theater systems with 5.1 channels to the much larger scales of custom-built surround sound solutions for planetariums, museums and music venues, this expansion is showing no signs of slowing down. Raising expectations for the development in this exciting field is the 3D sound system, a sonic environment of coming years based on a multitude of speakers.
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