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Ramdom music notes generator
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| var context=new AudioContext(); | |
| var o=null; | |
| var g=null; | |
| var note | |
| var notes = [130.8, 138.6, 146.8, 155.6, 164.8, 174.6, 185.0, 196.0, 207.7, 220.0, 233.1, 246.9, 261.6, 277.2, 293.7, 311.1, 329.6, 349.2, 370, 392, 415.3, 440, 466.2, 493.9] //, 523.3, 554.4, 587.3, 622.3, 659.3, 698.5, 740, 784, 830.6, 880, 932.3, 987.8] | |
| var swaras = ['Sa','re','Re','ga','Ga','Ma','MA','Pa','dha','Dha','ni','Ni','Sa*','re','Re*','ga*','Ga*','Ma*','MA*','Pa*','dha*','Dha*','ni*','Ni*', 'Sa**'] | |
| function playNote(frequency) { | |
| var type = 'sine' // 'square' 'triangle', 'sawtooth'); | |
| setTimeout(function(){ | |
| o = context.createOscillator(); | |
| g = context.createGain(); | |
| o.type = type; | |
| o.connect(g); | |
| o.frequency.value = frequency; | |
| g.connect(context.destination); | |
| o.start(0); | |
| g.gain.exponentialRampToValueAtTime(0.00001, context.currentTime + 7); | |
| },1000) | |
| } | |
| function play() { | |
| playNote(notes[Math.floor(Math.random()*notes.length)]) | |
| } | |
| function gen() { | |
| note = Math.floor(Math.random()*notes.length) | |
| console.log(swaras[note]) | |
| } | |
| function p(){ | |
| playNote(notes[note]) | |
| } | |
| //https://reeteshghimire.com.np/2020/03/27/play-musical-notes-with-javascript/ |
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