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Background noise calculation
PostPosted: Tue Jul 22, 2014 12:47 am Reply with quote
Guillaume.M
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Joined: 24 Jun 2013
Posts: 12




Hi all,

I do have a question of background noise. When I use the generic file B60 from Ease file, I assume that the average level is 60dB(a).

But when I do the calculation myself, the result is 71.11383 dB(a), with standard weighting.


What do I have to use to simulate a generic background noise of 60dB(a)?

Thanks and regards,

Guillaume
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PostPosted: Tue Jul 22, 2014 2:26 pm Reply with quote
Bruce
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Joined: 19 Apr 2005
Posts: 459
Location: Minneapolis, MN, USA




Guillaume,

Not sure what you mean by "the generic file B60". With EASE, there are 3 files provided called A-35, B-70, and C-105. These correspond to 35 dB A-wtd, 75 dB B-wtd, and 105 dB C-wtd respectively. So to create a 60 dB A-wtd noise level, you would load the A-35 file, then adjust the level up by 25 dB to get to the level desired.

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Bruce C. Olson
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