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Sound and vibrations enter every aspect of our daily lives. Some, like music and verbal communication, soothe and relax us; others, such as the noise and vibration from traffic or machinery, can threaten our environment. RION's concern takes in all manner of sounds and vibrations. Our activities extend from measuring reverberation time in concert halls and the soundproofing characteristics of housing materials to the control and maintenance of machine noise and vibration levels. The RION lineup affords easy-to-handle measuring recording and analyzing equipment with innumerable application for monitoring and maintaining a comfortable environment.