fe2ab545_pp_Reference__Type
[Name] db [Opt] opt [Description] If the word choices does not appear as argument, the word db (all lower-case) can be used to specify that the value of the parameter be displayed in decibel notation, where 1.0 is 0 dB and 0.0 is negative infinity dB. Caution: be careful that you don't use this in place of the symbol "dB" (with an upper-case B) given for the parameter name to be displayed in the Name column the Parameters view. (see symbol message, above.) [Type] 
symbol
i n t
s y m b o l
f l o a t o r i n t
pp Reference