Measurement of room sound pressure level difference (airborne sound insulation performance measurement)
We measure and evaluate how much sound is blocked by the building's partition walls and floors.
Generate pink noise in the sound source room, measure the sound pressure levels on the source side and the receiving side, and calculate the inter-room sound pressure level difference. From the results, calculate and evaluate the D value.
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basic information
■Measurement Method ・Room-to-room average sound pressure level difference (D) JIS-A-1417 (Measurement method for airborne sound insulation performance of buildings) ■Evaluation Method ・The sound insulation grade D value is determined according to the method specified in JIS-A-1419-1 for room-to-room average sound pressure level difference (D).
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Environmental Research Co., Ltd. is a research and development-oriented company that provides comprehensive consulting services related to the investigation, measurement, and analysis of various environmental issues such as asbestos, sick house syndrome, noise, and vibration.
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