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 lorismorph.wav -W ;;; for file output any platform </CsOptions> <CsInstruments> ; Required settings for WebAudio: sr = 48000 ksmps = 128 nchnls = 2 nchnls_i = 1 ; sr = 44100 ; ksmps = 32 ; nchnls = 2 0dbfs = 1 ; clarinet.sdif and meow.sdif can be found in /manual/examples ; Morph the partials in meow.sdif into the partials in clarinet.sdif over the duration of ; the sustained portion of the two tones (from .2 to 2.0 seconds in the meow, and from ; .5 to 2.1 seconds in the clarinet). The onset and decay portions in the morphed sound are ; specified by parameters p4 and p5, respectively. The morphing time is the time between the ; onset and the decay. The meow partials are shfited in pitch to match the pitch of the clarinet ; tone (D above middle C). instr 1 ionset = p4 idecay = p5 itmorph = p3 - (ionset + idecay) ipshift = cpspch(8.02)/cpspch(8.08) ktme linseg 0, ionset, .2, itmorph, 2.0, idecay, 2.1 ; meow time function, morph from .2 to 2.0 seconds ktcl linseg 0, ionset, .5, itmorph, 2.1, idecay, 2.3 ; clarinet time function, morph from .5 to 2.1 seconds kmurph linseg 0, ionset, 0, itmorph, 1, idecay, 1 lorisread ktme, "meow.sdif", 1, ipshift, 2, 1, .001 lorisread ktcl, "clarinet.sdif", 2, 1, 1, 1, .001 lorismorph 1, 2, 3, kmurph, kmurph, kmurph asig lorisplay 3, 1, 1, 1 outs asig, asig endin ; Morph the partials in clarinet.sdif into the partials in meow.sdif. The start and end times ; for the morph are specified by parameters p4 and p5, respectively. The morph occurs over the ; second of four pitches in each of the sounds, from .75 to 1.2 seconds in the flutter-tongued ; clarinet tone, and from 1.7 to 2.2 seconds in the cat's meow. Different morphing functions are ; used for the frequency and amplitude envelopes, so that the partial amplitudes make a faster ; transition from clarinet to cat than the frequencies. (The bandwidth envelopes use the same ; morphing function as the amplitudes.) instr 2 ionset = p4 imorph = p5 - p4 irelease = p3 - p5 ktclar linseg 0, ionset, .75, imorph, 1.2, irelease, 2.4 ktmeow linseg 0, ionset, 1.7, imorph, 2.2, irelease, 3.4 kmfreq linseg 0, ionset, 0, .75*imorph, .25, .25*imorph, 1, irelease, 1 kmamp linseg 0, ionset, 0, .75*imorph, .9, .25*imorph, 1, irelease, 1 lorisread ktclar, "clarinet.sdif", 1, 1, 1, 1, .001 lorisread ktmeow, "meow.sdif", 2, 1, 1, 1, .001 lorismorph 1, 2, 3, kmfreq, kmamp, kmamp asig lorisplay 3, 1, 1, 1 outs asig, asig endin </CsInstruments> <CsScore> ; strt dur onset decay i 1 0 3 .25 .15 i 1 + 1 .10 .10 i 1 + 6 1. 1. ; strt dur morph_start morph_end i 2 9 4 .75 2.75 e </CsScore> </CsoundSynthesizer>