Abstract
Reverberation time within studio’s decor is changed because of addition of its surface to the overall surfaces of the studio and also the additional absorption of its materials. It seems reverberation time changes due to studio’s decor is little because surface of the decor is small in comparison with the overall surfaces of the studio and surface has an important role in room constant and therefore in reverberation time. But these changes do not only depend on added surfaces and their absorption. Reverberation time is also dependent on shape of the decor and sometimes. It can decrease the effects of added surfaces which are used to increase the reverberation time. In this paper, a standard television studio is designed and implemented by using ODEON and 12 different decor which their dimensions and materials are similar to the actual ones, are applied inside the studio. Then studio’s decor effects on reverberation time of the studio are computed, compared and analyzed.
Highlights
The time that is needed in order that the sound level from 60 dB above the threshold of hearing reach to the hearing level
It seems reverberation time changes due to studio’s decor is little because surface of the decor is small in comparison with the overall surfaces of the studio and surface has an important role in room constant and in reverberation time
This is the definition that was released by Sabin in 1895 and functions as an important factor in recognition of the acoustic property of the rooms yet
Summary
The time that is needed in order that the sound level from 60 dB above the threshold of hearing reach to the hearing level. In 1976, Nakayama researched about reflective elements role in the stage and found out that these elements on ceiling and rear wall can preserve the acoustical conditions of the hall in the stage and this can enhance the sound homogeneity. In 2004, Kahle and Katz researches showed that to control absorption of sound energy it is needed to use absorption in stage decors and these absorbers are better to be on the rear wall. They don’t mention absorber material and its frequency [4].
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