Introduction to the crab private cinema project crab cinema, with 22 movie bars and a kroom. Clients are demanding a very high level of cinema effectiveness, focusing on the level of the sound field, the sense of truth and the sense of encirclement, and sound engineers customize the mix to their needs, using the company's relatively new pure-film bar system, m4, which achieves perfect cinema-level results and significantly reduces the expected costs for clients. The videokroom is accompanied by the sound t series k system, together with the sound-making a7-k multi-channel operation, which forms a very tightly surrounded 7. 1 channel, where watching a movie is like singing at a concert. The owners of acoustics, optical processes and specially designed crab cinemas attach great importance to the sound effect of cinemas, and space layouts such as the usual style of crab cinemas and the placement of couches are reasonable. In acoustic design, acoustics, sound insulation and anti-earthic...