; 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 butterlp.wav -W ;;; for file output any platform ; Initialize the global variables. sr = 22050 kr = 2205 ksmps = 10 nchnls = 1 ; Instrument #1 - an unfiltered noise waveform. instr 1 ; White noise signal asig rand 22050 out asig endin ; Instrument #2 - a filtered noise waveform. instr 2 ; White noise signal asig rand 22050 ; Filter it, cutting frequencies above 1 KHz. alp butterlp asig, 1000 out alp endin ; Play Instrument #1 for two seconds. i 1 0 2 ; Play Instrument #2 for two seconds. i 2 2 2 e