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Humanist Archives: March 25, 2020, 6:32 a.m. Humanist 33.687 - dB or not dB? Or, how engineers think

                  Humanist Discussion Group, Vol. 33, No. 687.
            Department of Digital Humanities, King's College London
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        Date: 2020-03-24 17:43:07+00:00
        From: Henry Schaffer 
        Subject: dB or not dB

That certainly is the question - although it's more Analog Humanities than
DH. :-)  I was tickled to get this Application Note - the subtitle is
"Everything you ever wanted to know about decibels but were afraid to

Why would you ever want to read this long Application Note? I can see two
1) You work with real life situations where power measurements are needed,
2) You'd like to find out a bit more about how engineers think - e.g. from
p36 "3 dB is not an exact power ratio of 2 and 6 dB is not exactly 4! For
everyday usage, however, these simplifications provide sufficient accuracy
and as such are commonly used."

If I've sufficiently aroused your curiosity, The Application Note is at:


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