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Stereo Sound
the best listening area is limited
the acoustic image behind and beside our ears in the horizontal plane of XY axis cannot be localization
lack acoustic localization on Z axis
the plane sound source cannot be reprduced
the position of acoustic image in 3D space cannot be restored
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Surrounded Sound
the best listening area is limited
the acoustic image behind and beside our ears in the horizontal plane of XY axis cannot be localization
lack acoustic localization on Z axis
the plane sound source cannot be reprduced
the position of acoustic image in 3D space cannot be restored
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Simulated 3D Sound
the best listening area is limited
the acoustic image behind and beside our ears in the horizontal plane of XY axis cannot be localization
lack acoustic localization on Z axis
the plane sound source cannot be reprduced
the control of sound route is inaccurate
the position of acoustic image in 3D space cannot be restored
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Hologram Sound
creat a brand new sound space
truly reproduce spherical waves, plane waves and cylinder waves formed in wave propagation
the listening area is maximized to the whole room:there is no so-called sweet spots
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