Hi,

I would like to know what 0.05 to 3.0 is in terms of dB’s. Does 3.0 mean like its 3.0 times more gain or something else?

Thanks

- TheMadMe asked 8 years ago

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Do you mean what is a decibel?

http://www.phys.unsw.edu.au/jw/dB.html

http://en.wikipedia.org/wiki/Decibels

It’s generally considered that +3dB is considered "twice as loud", I guess because it’s twice as much power or Sound Pressure Level.

Note that DSP calculations are done on numbers which represents voltage, and this uses the 20 log rule, not the 10 log rule as is used for power.

Eg: Gain factor of 2.0 = +6.02dB (not +3.01dB)

- mattconnolly answered 8 years ago

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Hi,

Thanks for the reply.

Well what i meant to say was how is the gain parameter relative to decibel? but now i realise the gain parameter means the increase of voltage?

I thought that 10 dB increase in sound level corresponds as being "twice as loud"?

So for any sound wave and if i place 2.0 in the gane parameter of the parametric EQ filter it will += another 6.02dB

So 3.0 means += 9.5 and 0.05 means += -26.02?

Also does anyone know if the parametric EQ plug-in filter uses normalization as well?

thanks

- TheMadMe answered 8 years ago

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