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+<CsoundSynthesizer>
+<CsOptions>
+; Select audio/midi flags here according to platform
+; Audio out Audio in
+-odac -iadc ;;;RT audio I/O
+; For Non-realtime ouput leave only the line below:
+; -o randomh.wav -W ;;; for file output any platform
+</CsOptions>
+<CsInstruments>
+
+; Initialize the global variables.
+sr = 44100
+kr = 4410
+ksmps = 10
+nchnls = 1
+
+; Instrument #1.
+instr 1
+ ; Choose a random frequency between 220 and 440 Hz.
+ ; Generate new random numbers at 10 Hz.
+ kmin = 220
+ kmax = 440
+ kcps = 10
+
+ k1 randomh kmin, kmax, kcps
+
+ printks "k1 = %f\\n", 0.1, k1
+endin
+
+
+</CsInstruments>
+<CsScore>
+
+; Table #1, a sine wave.
+f 1 0 16384 10 1
+
+; Play Instrument #1 for one second.
+i 1 0 1
+e
+
+
+</CsScore>
+</CsoundSynthesizer>