Sound pressure level tools design used in occupational health by means of Labview software

Abstract:
Background
One of the harmful factors in the field of occupational health is exposure to noise and vibration. Better control of hazardous agent requires robust and efficient software that prevents the increased risk with real-time control. Therefore, this study was conducted with the aim of setting a system using labview software to monitor the sound momently.
Methods
The research is an experimental study that was doing by using Labview software, microphones and sound analyzer card. Environmental information collected as sound pressure level via microphones and then processed by the sound analyzes card. The information showed by software as a graph or plot in the next step.
Findings: This software is including the front panel, back panel and connector panel that with these panels can be determined information such as various frequency weighting and time weighing. After entering the information, can be specified the sound pressure level, sound amplitude, power spectrum, power spectral density and other sound characteristics.
Conclusion
Labview programming capabilities in the field of sound can be referred to the measurement of sound, frequency analysis and sound control that actually the software acts like a sound level meter and sound analyzer. According to the mentioned features, you can use this software to analyze and process sound and vibration as a monitoring system.
Language:
Persian
Published:
Journal of Health System Research, Volume:11 Issue: 3, 2016
Pages:
550 to 563
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