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Acoustical Optimization Research While Concert Hall Alternation of Old Architecture

Author: YuJing
Tutor: FuShengXue
School: Ocean University of China
Course: Signal and Information Processing
Keywords: Old building hall Sound quality defects Concert Hall ODEON Optimize sound quality
CLC: TU112.4
Type: Master's thesis
Year: 2009
Downloads: 23
Quote: 0
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Abstract


The other hand, these old buildings with historical and cultural value due to the limitations of the original construction techniques and building materials , existing old buildings hall the presence of varying degrees of acoustic defects , and some of them are still severe , can lead to long normal use ; is a national cultural relics protection object , so how to both protect the cultural relics can eliminate the inherent acoustic deficiencies make better use of it, has become an urgent need to address the subject placed in front of our contemporary . This article is intended to be founded in Qingdao City in 1921 , German - style old building designed by Japanese designer auditorium converted as the background for the international Violin Competition Concert Hall project . To the characteristics of the old building and concert hall sound quality requirements as a starting point , PULSE data acquisition and analysis system on-site measurement of key quality parameters of the hall , revealing the building has been put into use for over 80 years , long plagued the sound quality of the user defects in the high-frequency reverberation time is too long, and centered on how to eliminate this deficiency, proposed to optimize sound quality design . In this paper, the above study taken : precision laser rangefinder accurate measurements hall building size ; the ODEON computer simulation platform to complete three-dimensional digital modeling of the hall and will affect the auditorium acoustic characteristics accurate expression of key structural and architectural details in the virtual space . Of the model simulation , the sound quality of the model control parameters - reverberation time RT , lateral energy factor LF80 music clarity the C80 and clarity D50 . By analysis of the results of these simulations auditorium sound quality parameters to evaluate the existing auditorium sound quality . Designed not only to retain the history of the old building and structural system, but also overcome the sound field defects ideal scientific reconstruction program . Finally, an example of audible sound field technology given the practical effect of violin playing .

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CLC: > Industrial Technology > Building Science > Building the basic sciences > Building physics > Architectural acoustics > Architectural acoustics technology and design
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