25.8.2011 20:20, Marko Vojinovic kirjoitti: > I'm not complaining about formatting. What I don't understand is why is SNR > equal to 46, and not to the ratio of signal to noise, ie. 42/88, which is not > 46, but 0.47? That's how logarithms work: http://en.wikipedia.org/wiki/Logarithm#Product.2C_quotient.2C_power.2C_and_root Decibels are logarithmic units, so the ratio of two values in expressed in decibels is same as the as the difference of the decibel values. -- Markku Kolkka markku.kolkka@xxxxxx -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines