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It can't rival the sound level of a concert at Jones Beach, but it comes close.
The European Union is preparing a directive that will limit the maximum sound level of orchestras to 85 decibels.
It promises to insulate you "from virtually all sound up to 70 decibels — about the sound level of a loud alarm clock".
The WHO recommends an average sound level of below 35 dBA in hospital wards during the day and says it should not exceed 40 dBA at night.
It has the sound level of a good family gathering, not so loud that you need to shout, and not so quiet that you cannot laugh.
Thus speech of intensity 10-12 watt per square centimetre has a sound level of b = 10 log10-12/10-160-16) = 40 decibels.
Similar(9)
Songs can be imported and scored into the background of the video, and sound levels of the ambient sound recorded by the video camera and postproduction music can be adjusted.
The scientists studied several dolphin species using an array of underwater microphones to determine the animals' location and measure sound levels of the clicking noises they use in echolocation.
Also, the sound levels of selected turbine types would have to be regarded in individual cases.
Control tanks had sound levels of 120.6 dB re 1 μPa.
The results demonstrate that excellent global attenuation of sound levels of the order of 45 dB is achieved in both cases.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com