A3D Surround absorbs the essence of A3D technology and surround sound decoding technology (such as Dolby's ProLogic and AC-3). The outstanding feature is that only two ordinary speakers (or a pair of headphones) can be used to accurately locate the sound in the surrounding three-dimensional space. (That means it produces the same effect as the five "virtual speakers"). Of course, these five sets of audio streams do not need to be played back with five actual speakers like the traditional "home theater". It is actually played by two speakers after A3D Surround processing. This technology was awarded "Virtual Dolby" certification by Dolby Laboratories.
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