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<blockquote data-quote="Mark DeArman" data-source="post: 137840" data-attributes="member: 950"><p>Re: dB calculations</p><p></p><p><a href="http://www.who.int/occupational_health/publications/noise1.pdf" target="_blank">http://www.who.int/occupational_health/publications/noise1.pdf</a> has a pretty good explanation of the whole thing. As does 'Handbook for Sound Engineers' by Glen Ballou. Remember that we are normally measuring dBSPL (Sound Pressure Level). Many noise measurements are done using sound intensity probes (to determine sound power, as in the osha document) and the sources are uncorrelated.</p></blockquote><p></p>
[QUOTE="Mark DeArman, post: 137840, member: 950"] Re: dB calculations [URL]http://www.who.int/occupational_health/publications/noise1.pdf[/URL] has a pretty good explanation of the whole thing. As does 'Handbook for Sound Engineers' by Glen Ballou. Remember that we are normally measuring dBSPL (Sound Pressure Level). Many noise measurements are done using sound intensity probes (to determine sound power, as in the osha document) and the sources are uncorrelated. [/QUOTE]
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