ampdbfs

Name

ampdbfs --  Returns the amplitude equivalent of the decibel value x, which is relative to full scale amplitude.

Description

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.

Syntax

ampdbfs(x)  (no rate restriction)

Examples

Here is an example of the ampdbfs opcode. It uses the files ampdbfs.orc and ampdbfs.sco.

Example 15-1. Example of the ampdbfs opcode.

/* ampdbfs.orc */
; 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 */
; Play Instrument #1 for one second.
i 1 0 1
e
/* ampdbfs.sco */
        
Its output should include lines like:
instr 1:  iamp = 29203.621
      

See Also

ampdb, dbamp, dbfsamp

Credits

Example written by Kevin Conder.