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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 FLknob.wav -W ;;; for file output any platform
+</CsOptions>
+<CsInstruments>
+
+; A sine with oscillator with flknob controlled frequency
+sr = 44100
+kr = 441
+ksmps = 100
+nchnls = 1
+
+FLpanel "Frequency Knob", 900, 400, 50, 50
+ ; Minimum value output by the knob
+ imin = 200
+ ; Maximum value output by the knob
+ imax = 5000
+ ; Logarithmic type knob selected
+ iexp = -1
+ ; Knob graphic type (1=3D knob)
+ itype = 1
+ ; Display handle (-1=not used)
+ idisp = -1
+ ; Width of the knob in pixels
+ iwidth = 70
+ ; Distance of the left edge of the knob
+ ; from the left edge of the panel
+ ix = 70
+ ; Distance of the top edge of the knob
+ ; from the top of the panel
+ iy = 125
+
+ gkfreq, ihandle FLknob "Frequency", imin, imax, iexp, itype, idisp, iwidth, ix, iy
+; End of panel contents
+FLpanelEnd
+; Run the widget thread!
+FLrun
+
+; Set the widget's initial value
+FLsetVal_i 300, ihandle
+
+instr 1
+ iamp = 15000
+ ifn = 1
+ asig oscili iamp, gkfreq, ifn
+ out asig
+endin
+
+
+</CsInstruments>
+<CsScore>
+
+; Function table that defines a single cycle
+; of a sine wave.
+f 1 0 1024 10 1
+
+; Instrument 1 will play a note for 1 hour.
+i 1 0 3600
+e
+
+
+</CsScore>
+</CsoundSynthesizer>