Returns the amplitude equivalent of the decibel value x. Thus:
60 dB = 1000
66 dB = 1995.262
72 dB = 3891.07
78 dB = 7943.279
84 dB = 15848.926
90 dB = 31622.764
Here is an example of the ampdb opcode. It uses the files ampdb.orc and ampdb.sco.
Example 1. Example of the ampdb opcode.
/* ampdb.orc */
/* Written by Kevin Conder */
; Initialize the global variables.
sr = 44100
kr = 4410
ksmps = 10
nchnls = 1
; Instrument #1.
instr 1
idb = 90
iamp = ampdb(idb)
print iamp
endin
/* ampdb.orc */
/* ampdb.sco */
/* Written by Kevin Conder */
; Play Instrument #1 for one second.
i 1 0 1
e
/* ampdb.sco */
instr 1: iamp = 31622.764