Full Dimension was invited to participate in Shanghai International Cultural Device Expo. Smyth SVS monitor-level multi-channel headphone digital audio processing technology was demonstrated to the public. It was the first time to show 9.1.6 speaker layout configuration of REALiser A16 in China. Smyth SVS monitor-level multi-channel headphone digital audio processing technology is a kind of virtual simulation digital audio processing technology based on the principle of human real hearing system. It can reconstruct the human listening process in the natural environment and restore the real 3D sound effects in any space.