Returns the decibel equivalent of the raw amplitude x, relative to full scale amplitude. Full scale is assumed to be 16 bit. New is Csound version 4.10.
Here is an example of the dbfsamp opcode. It uses the files dbfsamp.orc and dbfsamp.sco.
Example 15-1. Example of the dbfsamp opcode.
/* dbfsamp.orc */
; Initialize the global variables.
sr = 44100
kr = 4410
ksmps = 10
nchnls = 1
; Instrument #1.
instr 1
iamp = 30000
idb = dbfsamp(iamp)
print idb
endin
/* dbfsamp.orc */
/* dbfsamp.sco */
; Play Instrument #1 for one second.
i 1 0 1
e
/* dbfsamp.sco */
instr 1: idb = -0.767