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Acoustic measurement

Depending on type of the building, the measurement and evaluation methods for determining the sound pressure level differences between rooms, floor impact sound pressure levels, and noise levels indoors are regulated in the industrial standards and guidelines determined by the architectural institute. Meanwhile, outdoor regulation standards are set according to the Environmental Quality Standards and the Noise and Vibration Regulation Laws.

Sound insulation performance measurement and floor impact sound measurement

To understand a building's sound insulation performance, sound insulation performance measurement and floor impact sound measurement can be performed. Nihon Onkyo Engineering utilizes its experiences in order to respond flexibly to requests―from measurements upon completion to measurements in response to complaints.

Noise measurement

Every day we experience various noises. The measurement and analysis methods of noise vary depending on the purpose of the measurement, which can include not only the sound pressure level but also the situation and time of occurrence of the noise. Nihon Onkyo Engineering takes this fact into consideration in order to respond flexibly to requests. We also perform sound source identification for unrecognized sounds which cannot be identified its cause or location of occurrence.

Low-frequency sound measurement

When requested to investigate a low-frequency sound, Nihon Onkyo Engineering will carefully interview those complaining about the sound and those who is suspected to be related to the generation of the sound, and examine the suspected causes of the low-frequency sound. With various possibilities in mind, we will propose an analysis plan that excludes prejudice as much as possible.

Vibration measurement

Every day we experience various vibrations. The measurement and analysis methods of vibrations vary depending on the purpose of the measurement, which can include not only the severity but also the situation and time of occurrence of the vibration. Nihon Onkyo Engineering takes this fact into consideration in order to respond flexibly to requests.

Room acoustic measurement

A variety of measurements exists for understanding the acoustic conditions of a room and the ease of listening, including measurements of reverberation time, echo time patterns, sound pressure level distribution, and speech intelligibility. Nihon Onkyo Engineering employs proprietary room acoustic measuring systems to address requests appropriately.
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