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      The Japan Society for Noise Control Engineering There is information about sound, Q&A, etc. 
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      Japan Association of Vibration Technology (JAVIT) We conduct research, guidance, education, standards development, and performance evaluation related to vibration technology. 
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      Japan Structural Contractors Association (JSCA) JSCA is a group of experts with advanced structural technology and is actively involved in the development of structural technology. 
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      Acoustical Materials Association of Japan Acoustic material manufacturers, construction designers, and acoustic technology researchers are united in their activities, such as publishing a journal and holding workshops, aiming at the development of acoustic technology and the diffusion of acoustic materials. 
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      Association of Soundproofing Equipment This is an organization for temporary soundproofing equipment of which Yacmo is a member. 
 Introduction to soundproofing design guidelines and other information is available.
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      Tokyo Metropolitan Government Bureau of Environment official website Environmental standard values and materials for noise and vibration are available. 
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      Ministry of the Environment (Atmospheric Environment) There is an overview of the Noise and Vibration Regulation Law and various other materials. 
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      Architectural and acoustic design firm for concert halls, theaters, etc. 
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      A manufacturer of measuring instruments and other products. 
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