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Document Type: Tutorial
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Publish Date: Sep 6, 2006

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sound intensity probe

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An acoustical sensor, usually consisting of two closely spaced microphones, for the detection of sound intensity. A computer or dedicated circuitry calculates the sound velocity as the difference between the two pressure signals, corrected for the air density and microphone spacing, and then multiplies this velocity by the average sound pressure from the two microphones, thus giving the sound intensity.

Units:

W/m2
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  • Sound Intensity Probes from Bruel & Kjaer

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    This tutorial (this "tutorial") was developed by National Instruments ("NI"). Although technical support of this tutorial may be made available by National Instruments, the content in this tutorial may not be completely tested and verified, and NI does not guarantee its quality in any way or that NI will continue to support this content with each new revision of related products and drivers. THIS TUTORIAL IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND AND SUBJECT TO CERTAIN RESTRICTIONS AS MORE SPECIFICALLY SET FORTH IN NI.COM'S TERMS OF USE (http://ni.com/legal/termsofuse/unitedstates/us/).

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