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Acoustic analysis and solution for the sound reproduction system of movie theater - An example of United Cinemas TOYOSU
This paper reports the analysis and solution for a sound reproduction system of movie theaters The new technologies which have been developed for the acoustical design of the United Cinemas TOYOSU are introduced. The DME (Digital Mixing Engine) management system has been installed as a B-chain sound system to improve the sound quality and expand the range of control. Especially in order to improve the low frequency responses, the screen speakers are mounted in the baffle walls with absorbing materials and the base management system is designed on the DME configuration for all speakers. Also a new equalizing technique using FIR filters is introduced for minimizing effects of screen transmission loss while comparing the responses with and without a screen.
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