On Fri, 2010-07-23 at 17:31 +0200, Ralf Mardorf wrote: > On Fri, 2010-07-23 at 11:13 +0100, Frank Smith wrote: > > Hi All > > I was under the impression that every 3 db increase doubled the volume > > and you needed to increase the power needed by a factor of 3 . Things > > could have changed by now but this is what I use. > > > > > > Cheers > > Bob > > And ... 1 KHz sine wave vs music @ the same dB ... the basis has to be > noise, representing the frequency spectrum regarded to the sensitivity > of the human ear?! Or to usual music, usual speaking? ... dB is some > artificial thingy itself. > > A paradox, dB for audio claims to be related to the human ear. > > I heard about 3 dB, 6 dB and 10 dB as twice as loud. >
I experienced 9 dB and 12 dB as twice as loud, but exactly 10 dB. 3 dB, 6 dB, "9 dB and 12 dB, instead of 10 dB" ... for my emotions there is a math pattern. _______________________________________________ Linux-audio-dev mailing list [email protected] http://lists.linuxaudio.org/listinfo/linux-audio-dev
