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#20 - anonymous (05/18/2013) [-]
Mfw negative sound.
#31 to #20 - zgbgydug (05/18/2013) [-]
You don't have a face in negative sound?

Anyway, every ten decibels is percieved twice as loud as ten before it. Really -9 is about half as loud as 0, or a quarter as loud as 10.
#140 to #31 - anonymous (05/18/2013) [-]
it's actually ten times, not two. so, it's about 10 times quieter than 0 db, and 100 times quieter than 10 db
#296 to #140 - anonymous (05/19/2013) [-]
no, it's twice.
Every increase of 10 dB is perceived as the sound being twice as loud.
#63 to #31 - anonymous (05/18/2013) [-]
ya its a logarithmic scale, negatives are fractional
-2
#40 to #31 - beggy Comment deleted by beggy [-]
User avatar #79 to #40 - smoothmcgroove (05/18/2013) [-]
If a sound is 10db, you won't be able to hear anything below that.

So, if the room is recorded at -9db, you can hear everything.







(...Except for sounds lower than -9db)
User avatar #188 to #79 - treska (05/19/2013) [-]
Since the sound power level is:
P=10*log(multiplier) ---> multiplier=10^(P/10), where P is the decibels and log is decimal logarithm. In this case:
multiplier=10^(-9/10)=0.126.
That means that in that room, the sound power level decreases to 12.6% of the original value.
#428 to #188 - anonymous (05/19/2013) [-]
Wow, a smart comment on fj, I thought I would never live to see this day.
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