madsr

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 madsr.wav -W ;;; for file output any platform </CsOptions> <CsInstruments> ; Required settings for WebAudio: sr = 48000 ksmps = 128 nchnls = 2 nchnls_i = 1 /* Written by Iain McCurdy */ ; Initialize the global variables. ; sr = 44100 ; kr = 441 ; ksmps = 100 ; nchnls = 1 ; Instrument #1. instr 1 ; Attack time. iattack = 0.5 ; Decay time. idecay = 0 ; Sustain level. isustain = 1 ; Release time. irelease = 0.5 aenv madsr iattack, idecay, isustain, irelease a1 oscili 10000, 440, 1 out a1*aenv endin </CsInstruments> <CsScore> /* Written by Iain McCurdy */ ; Table #1, a sine wave. f 1 0 1024 10 1 ; Leave the score running for 6 seconds. f 0 6 ; Play Instrument #1 for two seconds. i 1 0 2 e </CsScore> </CsoundSynthesizer>