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Old 04-18-2008, 09:27 AM
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bwilson4web bwilson4web is online now
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Real Name: Bob
Location: Huntsville, AL
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Thumbs up Re: Open letter to the blind

Quote:
Originally Posted by SPL View Post
bwilson4web — I compute a power ratio of 0.36 to be -4.4 dB, and one of 0.16 to be -8.0 dB. Don't forget the factor of '10' in order to get decibels from bels:

# decibels = 10*log[10](power ratio)
You are absolutely right!

Calculating dB is trivial once you figure it out. I failed to include the factor of 10 multiplier.

Thanks,
Bob Wilson

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