Acoustic Design And Research Of Dome Cinema

With the continuous development of film technology and the overall improvement of national quality,high-tech movies are increasingly popular with the public.As one of the forms of high-tech movies,curtain theaters are widely used in exhibition venues,aquariums,and planetariums to display the universe,ocean,sky and other scenes because of their audiovisual features such as curtains and stereo surround sound.Curtain theater has become one of the must-have exhibition halls of the modern science and technology museum,and its auditorium performance has received more and more attention.The sound quality performance is the basic condition for playing the film in the theater,which determines the audience's audio-visual experience.Therefore,the sound quality design and research of the curtain theater has very positive significance.This paper firstly reviews the current research status of sound quality performance of curtain theaters at home and abroad,and then conducts research on the sound quality of curtain theaters in Hunan and Jiangsu,including: curtain theater architectural form,volume,scale,curtain theater acoustic design,acoustics Relevant material usage and the most important sound quality parameter-reverberation time.The study analyzes the relationship between the sound quality of the curtain theater and these parameters,and evaluates the acoustic environment inside the theater.After that,the simulation analysis of the research curtain theater was carried out,and the professional acoustic software was used to analyze the reverberation time T60 inside the curtain theater,direct sound field,clarity C50,consonant clarity loss and fast language transmission index.The domestic objective standard judges the sound quality of the curtain theater.The comprehensive analysis of the measured data and the simulated data leads to the general idea of ??the sound quality design of the curtain theater,and the conclusions are applied to the actual project to guide the actual project to carry out professional acoustic design.Through the actual measurement and simulation data,as well as the optimization analysis of the actual case,it is concluded that the acoustic design of the theater cinema is the first element to control the reverberation time.The estimation of the reverberation time can be estimated by the volume inside the curtain;Under the premise of time,other sound quality parameters often show satisfactory results.