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dB calculations
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<blockquote data-quote="Sean Thomas" data-source="post: 137839" data-attributes="member: 5801"><p>Re: dB calculations</p><p></p><p>Is this a good summary:</p><p></p><p>100dB + 100dB = +3dB or 103dB IF the sound is uncorrelated. OSHA uses this for random items making noise, aka log10.</p><p></p><p>100dB + 100dB = +6dB or 106dB IF the sound is correlated (the same sources as in music to each speaker), aka log20.</p><p></p><p>Of course, real world measurements could vary due to phase, frequency, etc.</p></blockquote><p></p>
[QUOTE="Sean Thomas, post: 137839, member: 5801"] Re: dB calculations Is this a good summary: 100dB + 100dB = +3dB or 103dB IF the sound is uncorrelated. OSHA uses this for random items making noise, aka log10. 100dB + 100dB = +6dB or 106dB IF the sound is correlated (the same sources as in music to each speaker), aka log20. Of course, real world measurements could vary due to phase, frequency, etc. [/QUOTE]
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