File: 0dbfs.csd

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csound-manual 1%3A6.08.0~dfsg-1
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<CsoundSynthesizer>
<CsOptions>
; Select audio/midi flags here according to platform
; Audio out   Audio in    No messages
-odac           -iadc     -d     ;;;RT audio I/O
; For Non-realtime ouput leave only the line below:
; -o 0dbfs.wav -W ;;; for file output any platform
</CsOptions>
<CsInstruments>

; Initialize the global variables.
sr = 44100
ksmps = 10
nchnls = 2

; Set the 0dbfs to 1.
0dbfs = 1

instr 1  ; from linear amplitude (0-1 range)
print p4
a1 oscil p4, 440, 1
outs a1, a1
endin

instr 2  ; from linear amplitude (0-32767 range)
iamp = p4 / 32767
print iamp
a1 oscil iamp, 440, 1
outs a1, a1
endin

instr 3  ; from dB FS
iamp = ampdbfs(p4)
print iamp
a1 oscil iamp, 440, 1
outs a1, a1
endin


</CsInstruments>
<CsScore>

; Table #1, a sine wave.
f 1 0 16384 10 1

i 1 0 1   1
i 1 + 1   0.5
i 1 + 1   0.1
s
i 2 0 1   32767
i 2 + 1   [32767/2]
i 2 + 1   [3276.7]
s
i 3 0 1   0
i 3 + 1   -6
i 3 + 1   -20
e

</CsScore>
</CsoundSynthesizer>