This should play if your Web browser has WebAssembly enabled (most do). Most examples will play unless they need to load files. The first time you click Play, Csound will spend a few seconds loading, then play. You can edit this code and replay it.
<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 phaser2.wav -W ;;; for file output any platform </CsOptions> <CsInstruments> ; Required settings for WebAudio: sr = 48000 ksmps = 128 nchnls = 2 nchnls_i = 1 ; sr = 44100 ; kr = 4410 ; ksmps = 10 ; nchnls = 1 instr 2 ; demonstration of phase shifting abilities of phaser2. ; Input mixed with output of phaser2 to generate notches. ; Demonstrates the interaction of imode and ksep. idur = p3 iamp = p4 * .04 iorder = p5 ; number of 2nd-order stages in phaser2 network ifreq = p6 ; not used ifeed = p7 ; amount of feedback for phaser2 imode = p8 ; mode for frequency scaling isep = p9 ; used with imode to determine notch frequencies kamp linseg 0, .2, iamp, idur - .2, iamp, .2, 0 iharms = (sr*.4) / 100 ; "Sawtooth" waveform exponentially decaying function, to control notch frequencies asig gbuzz 1, 100, iharms, 1, .95, 2 kline expseg 1, idur, .005 aphs phaser2 asig, kline * 2000, .5, iorder, imode, isep, ifeed out (asig + aphs) * iamp endin </CsInstruments> <CsScore> ; cosine wave for gbuzz f2 0 8192 9 1 1 .25 ; phaser2, imode=1 i2 00 10 7000 8 .2 .9 1 .33 i2 11 10 7000 8 .2 .9 1 2 ; phaser2, imode=2 i2 22 10 7000 8 .2 .9 2 .33 i2 33 10 7000 8 .2 .9 2 2 e </CsScore> </CsoundSynthesizer>