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 -odac ;;;realtime audio out ;-iadc ;;;uncomment -iadc if realtime audio input is needed too ; For Non-realtime ouput leave only the line below: ; -o gen17.wav -W ;;; for file output any platform ; By Stefano Cucchi & Menno Knevel - 2021 </CsOptions> <CsInstruments> ; Required settings for WebAudio: sr = 48000 ksmps = 128 nchnls = 2 nchnls_i = 1 ; sr = 44100 ; ksmps = 32 ; nchnls = 2 0dbfs = 1 instr 1 gisqre ftgen 2, 0, 16384, 10, 1, 0 , .33, 0, .2 , 0, .14, 0 , .11, 0, .09 ;odd harmonics knoteleft oscil 1, 0.5, 10 ; index to table 10 - gen 17 - every 2 seconds reads all the values in the table n. 10 printks2 "note left = %d\n", knoteleft knoteright oscil 1, 1, 10 ; index to table 10 - gen 17 - every second reads all the values in the table n. 10 printks2 "note right = %d\n", knoteright ixmode = 1 ixoff = 0 iwrap = 1 aphasor1 phasor knoteleft ; the values in table 10 become the frequency of the oscillator asig1 tablei aphasor1, gisqre, ixmode, ixoff, iwrap ; oscillator generating sound in the left channel (table 10 every 2 seconds) aphasor2 phasor knoteright ; the values in table 10 become the frequency of the oscillator asig2 tablei aphasor2, gisqre, ixmode, ixoff, iwrap ; oscillator generating sound in the right channel (table 10 every second) kgenenv linseg 0, 0.3, 0.4, p3-0.6, 0.4, 0.3, 0 ; envelope outs asig1 * kgenenv, asig2 * kgenenv endin </CsInstruments> <CsScore> ; table with gen17 - At point 0 pitch 300 Hz, at point 12 pitch 350 Hz, etc... f 10 0 128 -17 0 300 12 350 20 400 41 434 48 563 67 589 72 632 79 678 100 712 120 789 i1 0 10 e </CsScore> </CsoundSynthesizer>