Returns the amplitude equivalent of the decibel value x, which is 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 ampdbfs opcode. It uses the files ampdbfs.orc and ampdbfs.sco.
Example 1. Example of the ampdbfs opcode.
/* ampdbfs.orc */
/* Written by Kevin Conder */
; Initialize the global variables.
sr = 44100
kr = 4410
ksmps = 10
nchnls = 1
; Instrument #1.
instr 1
idb = -1
iamp = ampdbfs(idb)
print iamp
endin
/* ampdbfs.orc */
/* ampdbfs.sco */
/* Written by Kevin Conder */
; Play Instrument #1 for one second.
i 1 0 1
e
/* ampdbfs.sco */
instr 1: iamp = 29203.621