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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Sample propulsion laboratory / Cyber Music Studio™</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="css/uboot.css">
<link rel="stylesheet" href="css/gh-fork-ribbon.css">
<script src="js/bluescreen.js"></script>
<script src="js/uboot.js"></script>
<script src="js/JZZ.js"></script>
<script src="js/JZZ.input.Kbd.js"></script>
<script src="js/JZZ.gui.Select.js"></script>
<script src="js/wavy-jones.js"></script>
<script src="js/heartbeat.js"></script>
<script src="js/wave-encoder-polyfill.js"></script>
<style>
body {
font-family: "Lucida Console", monospace;
background-color: #000;
background-image: url("img/wavetable.png");
background-repeat: no-repeat;
background-size: cover;
}
.ub-box {
background-color: lightyellow;
}
a { color: black; text-decoration-style: dashed; text-decoration-thickness: 1px; }
h1 {
color: yellowgreen;
}
.footer {
margin-top: 1em;
background-color: whitesmoke;
}
#scope {
padding: 0;
width: 100%;
height: 80px;
background-color: #000;
}
#recording_download {
color: black;
text-decoration-style: dashed;
}
</style>
</head>
<body>
<a class="github-fork-ribbon" href="https://github.com/severak/cyber-music-studio" data-ribbon="Fork me on GitHub" title="Fork me on GitHub">Fork me on GitHub</a>
<div class="ub-container">
<h1>Sample propulsion laboratory</h1>
<div class="ub-box" id="box_welcome">
<img src="img/preview.png" class="ub-fit-img">
<p>This is part of beta version of Cyber Music Studio™. It's not finished yet and can be broken at any moment.</p>
<p>Feel free to test it and report bugs <a href="https://github.com/severak/cyber-music-studio/issues" target="_blank">here</a>.</p>
<center><button id="power" class="ub-button"><big>OK</big></button></center>
</div>
<br><br>
<form class="ub-form ub-hidden" id="form">
<div class="ub-box" id="box_traveller" style="background-color: lightseagreen">
<div class="ub-cols">
<div class="ub-same" style="text-align: center">
<canvas style="width: 440px; height: 40px; background-color: white" id="waveform"></canvas>
</div>
</div>
<div><strong>ENVELOPE</strong></div>
<div class="ub-cols">
<div class="ub-same">
A <input type="range" min="0.01" max="1" step="0.01" value="0.01" id="sk1_attack">
</div>
<div class="ub-same">
D <input type="range" min="0.01" max="1" step="0.01" value="0.25" id="sk1_decay">
</div>
<div class="ub-same">
S <input type="range" min="0" max="1" step="0.1" value="0.8" id="sk1_sustain">
</div>
<div class="ub-same">
R <input type="range" min="0.01" max="1" step="0.1" value="0.5" id="sk1_release">
</div>
</div>
<div><strong>SIMPLE WAVEFORMS</strong></div>
<div class="ub-cols">
<div class="ub-same">
<button id="sin">SIN</button>
<button id="sqr">SQR</button>
<button id="pwm">PWM</button>
<button id="noise">NOISE</button>
<button id="saw">SAW</button>
<button id="tri">TRIANGLE</button>
<button id="triasin">TRIASIN</button>
<button id="triasin2">TRIASIN 1/2</button>
<button id="cirkule">CIRKULE</button>
<button id="metalik">METALIK</button>
<button id="noisey">NOISEY</button>
</div>
</div>
<div><strong>COMPLEX WAVEFORMS</strong></div>
<div class="ub-cols">
<div class="ub-same">
UNO SYNTH WAVEFORM:
<input type="range" id="unowave" min="0" max="127" step="1">
</div>
</div>
<div>
<button id="organ">GENERATE ORGAN SOUND</button>
</div>
<div class="ub-cols">
<div class="ub-same"><label><input type="checkbox" id="org1" > 16"</label></div>
<div class="ub-same"><label><input type="checkbox" id="org2" > 8"</label></div>
<div class="ub-same"><label><input type="checkbox" id="org3" > 5 ⅓"</label></div>
<div class="ub-same"><label><input type="checkbox" id="org4" > 4"</label></div>
</div>
<div><strong>CUSTOM SOUND</strong></div>
<div>
<input type="file" accept="audio/wav" id="choose_sample">
</div>
<div><strong>COMMON</strong></div>
<div class="ub-cols">
<div class="ub-same" style="text-align: center">
<div id="keyboard3"></div>
</div>
</div>
<div class="ub-cols">
<div class="ub-same">
VOL
<input type="range" id="vol" min="0" max="1" step="0.01" value="0.5">
</div>
<div class="ub-same">
MIDI input: <select id="select_midi_in3"></select>
</div>
</div>
<div><strong>MIXING & RECORDING</strong></div>
<div class="ub-cols">
<div class="ub-same">
HI <input type="range" min="-20" max="20" step="0.01" value="0" id="bus_hi">
</div>
<div class="ub-same">
MID <input type="range" min="-20" max="20" step="0.01" value="0" id="bus_mid">
</div>
<div class="ub-same">
LO <input type="range" min="-20" max="20" step="0.01" value="0" id="bus_low">
</div>
<div class="ub-same">
PAN <input type="range" min="-1" max="1" step="0.01" value="0" id="bus_pan">
</div>
<div class="ub-same">
REVERB <input type="range" min="0" max="1" step="0.01" value="0" id="bus_reverb">
</div>
<div class="ub-same">
VOL <input type="range" min="0" max="1" step="0.01" value="0.5" id="bus_vol">
</div>
</div>
<div class="ub-cols">
<div class="ub-same"><button id="record">RECORD</button></div>
<div class="ub-same"><button id="stop">STOP</button></div>
<div class="ub-same"><button id="play">PLAY</button></div>
<div class="ub-same"><a href="#" id="recording_download" class="ub-hidden">DOWNLOAD IT</a></div>
</div>
</div>
<p class="footer">Part of <a href="index.html">Cyber Music Studio™</a>. Supports <a href="https://www.g200kg.com/en/docs/webmidilink/index.html" target="_blank">WebMidiLink</a>.</p>
</form>
</div>
<script>
function keyboardMidiWrap(keyboardElemId, midiSelectorId, synth) {
// set up routing from external MIDI via HTML keyboard to synth itself
var kbd = JZZ.input.Kbd({ at:keyboardElemId, pos:'N', wl: 50, ww:21, bl: 25, bw:12, from:'F4', to:'C7' });
var midiIn = JZZ.gui.SelectMidiIn({ at: midiSelectorId });
kbd.connect(function (msg) {
hb.midi2call(msg, synth);
});
// handles all the selection stuff
midiIn.onSelect = function(name) {
JZZ().openMidiIn(name).and(function () {
if (kbd.currentExternal) kbd.currentExternal.disconnect(kbd);
this.connect(kbd);
kbd.currentExternal = this;
}).or(function () {
if (kbd.currentExternal) kbd.currentExternal.disconnect(kbd);
});
};
}
function showWave(buffer) {
var amp = 1;
var data = buffer.getChannelData(0);
var ctx = ub.gebi('waveform').getContext("2d");
ub.gebi('waveform').width = 440;
ub.gebi('waveform').height = 40;
ctx.fillStyle = '#000';
ctx.fillRect(0,0,440,80);
ctx.strokeStyle = '#fff';
ctx.beginPath();
ctx.moveTo(0, 20);
ctx.lineTo(440, 20);
ctx.stroke();
ctx.strokeStyle = '#00ff00';
ctx.beginPath();
ctx.moveTo(0, (data[0] * 20 * amp) + 20);
for (var n = 0; n < buffer.length; n++) {
var y = (data[n] * 20 * amp) + 20;
ctx.lineTo(n, y);
}
ctx.stroke();
}
// TODO - single' Cycle Sampler
function _base64ToArrayBuffer(base64) {
var binary_string = window.atob(base64);
var len = binary_string.length;
var bytes = new Uint8Array(len);
for (var i = 0; i < len; i++) {
bytes[i] = binary_string.charCodeAt(i);
}
return bytes.buffer;
}
sk1 = function(out) {
var me = {};
me.vol = 0.5;
me.attack = 0.1;
me.decay = 0.1;
me.sustain = 0.8;
me.release = 0.5;
me.once = false;
me.buffer = hb.ac.createBuffer(1, hb.ac.sampleRate * 1, hb.ac.sampleRate);
me._ac = hb.ac;
if (!out) out = hb.ac.destination;
me._out = out;
me._vol = hb.makeGain(me.vol);
me._vol.gain.setValueAtTime(me.vol, me._ac.currentTime);
me._vol.connect(me._out);
// me._notes = [];
me._voices = {};
me.param = function(name, val) {
me[name] = val;
if (name=='vol') me._vol.gain.setValueAtTime(me.vol, me._ac.currentTime);
};
me._getEnv = function(max) {
return {
max: max,
attack: me.attack,
decay: me.decay,
sustain: me.sustain,
release: me.release
};
};
me._makeVoice = function(nn) {
var ac = hb.ac;
var freq = hb.midi2cps(nn);
var vox = {};
vox._osc = me.once ? hb.makeSamplerOsc(me.buffer, freq) : hb.makeSamplerLoopOsc(me.buffer, freq);
vox._env = hb.makeGain();
vox._osc.connect(vox._env);
hb.adsrStart(vox._env.gain, me._getEnv(1));
vox._env.connect(me._vol);
vox.noteOff = function () {
var env = me._getEnv(1);
hb.adsrStop(vox._env.gain, env);
vox._osc.stop(hb.ac.currentTime + env.release);
// TODO - GC
};
return vox;
};
me.noteOn = function(nn) {
console.log('on ' + nn);
if (me._voices[nn]) return; // už je
me._voices[nn] = me._makeVoice(nn);
};
me.noteOff = function(nn) {
console.log('off ' + nn);
if (!me._voices[nn]) return; // už není
me._voices[nn].noteOff();
delete me._voices[nn];
};
me.panic = function() {
console.log('PANIC at the disco!');
for (var nn in me._voices) {
hb.setNow(me._voices[nn]._env.gain, 0);
me._voices[nn]._osc.stop(hb.now());
delete me._voices[nn];
}
// me._vol.gain.setValueAtTime(0, me._ac.currentTime);
};
return me;
};
ub.on("power","click", function(ev){
ub.stop(ev);
ub.addClass("box_welcome", 'ub-hidden');
ub.delClass("form", 'ub-hidden');
ub.gebi('form').reset();
hb.start();
tape = hb.TapeRecorder();
bus = hb.MixStrip();
hb.chnget(bus, 'hi', 'bus_hi');
hb.chnget(bus, 'low', 'bus_low');
hb.chnget(bus, 'mid', 'bus_mid');
hb.chnget(bus, 'pan', 'bus_pan');
hb.chnget(bus, 'reverb', 'bus_reverb');
hb.chnget(bus, 'vol', 'bus_vol');
hb.chain(bus.output, tape.input);
hb.chain(tape.output, hb.ac.destination);
hb.chain(bus.output, hb.ac.destination);
window.sk = sk1(bus.input);
hb.chnget(sk, 'vol', 'vol');
hb.chnget(sk, 'attack', 'sk1_attack');
hb.chnget(sk, 'decay', 'sk1_decay');
hb.chnget(sk, 'sustain', 'sk1_sustain');
hb.chnget(sk, 'release', 'sk1_release');
keyboardMidiWrap('keyboard3', 'select_midi_in3', sk);
hb.enableWebMidiLink(sk);
var violin = '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';
hb.ac.decodeAudioData(_base64ToArrayBuffer(violin), function (buffer) {
sk.buffer = buffer;
showWave(buffer);
});
ub.on('sin', 'click', function (ev) {
ub.stop(ev);
sk.buffer = hb.generateWaveformBuffer(hb.generators.sin);
sk.once = false;
showWave(sk.buffer);
});
ub.on('sqr', 'click', function (ev) {
ub.stop(ev);
sk.buffer = hb.generateWaveformBuffer(hb.generators.sqr);
sk.once = false;
showWave(sk.buffer);
});
ub.on('pwm', 'click', function (ev) {
ub.stop(ev);
sk.buffer = hb.generateWaveformBuffer(hb.generators.pulse, {width: 0.2});
sk.once = false;
showWave(sk.buffer);
});
var noisefunc = function(n) {
return Math.random() * 2 - 1;
};
ub.on('noise', 'click', function (ev) {
ub.stop(ev);
sk.buffer = hb.generateWaveformBuffer(noisefunc, {}, 2 * hb.ac.sampleRate);
sk.once = false;
showWave(sk.buffer);
});
ub.on('saw', 'click', function (ev) {
ub.stop(ev);
sk.buffer = hb.generateWaveformBuffer(hb.generators.saw);
sk.once = false;
showWave(sk.buffer);
});
ub.on('tri', 'click', function (ev) {
ub.stop(ev);
sk.buffer = hb.generateWaveformBuffer(hb.generators.triangle);
sk.once = false;
showWave(sk.buffer);
});
var triasin = function(n) {
if (n < 0.25) return n * -4;
if (n==0.25) return 1;
return Math.sin(n * 6);
};
ub.on('triasin', 'click', function (ev) {
ub.stop(ev);
sk.buffer = hb.generateWaveformBuffer(triasin);
sk.once = false;
showWave(sk.buffer);
});
var triasin2 = function(n) {
if (n < 0.25) return n * -2;
if (n==0.25) return 1;
return Math.sin(n * 6);
};
ub.on('triasin2', 'click', function (ev) {
ub.stop(ev);
sk.buffer = hb.generateWaveformBuffer(triasin2);
sk.once = false;
showWave(sk.buffer);
});
var cirkule = function(n) {
return n * hb.generators.sin(n) + (0.3 * Math.random()); // ozubený sinus
};
ub.on('cirkule', 'click', function (ev) {
ub.stop(ev);
sk.buffer = hb.generateWaveformBuffer(cirkule);
sk.once = false;
showWave(sk.buffer);
});
var metalik = function(n) {
var sinfunc = hb.generators.sin;
return hb.clamp(-0.9, ( sinfunc(n) + sinfunc(n * 6) ) / 2, 0.9); // ořezaná vícevlnka
};
ub.on('metalik', 'click', function (ev) {
ub.stop(ev);
sk.buffer = hb.generateWaveformBuffer(metalik);
sk.once = false;
showWave(sk.buffer);
});
var unowave = function(n) {
var p = ub.gebi('unowave').value;
// 0 = triangle
// 43 - saw
// 86 - square
// 127 - pulse 10%
var trianglefunc = hb.generators.triangle;
var sawfunc = hb.generators.saw;
var sqrfunc = hb.generators.sqr;
if (p==0) return trianglefunc(n);
if (p > 1 && p < 43) return (trianglefunc(n) * (1-(p / 42))) + (sawfunc(n) * (p / 42));
if (p==43) return sawfunc(n);
if (p > 43 && p < 86) return (sawfunc(n) * (1-((p - 42) / 42))) + (sqrfunc(n) * ((p - 42) / 42));
if (p==86) return sqrfunc(n);
if (p > 86) {
var pw = 0.5 - ((p-86) / 86);
// console.log(pw);
if (n > pw) return -0.8;
return 0.8;
};
};
ub.on('unowave', 'input', function (ev) {
sk.buffer = hb.generateWaveformBuffer(unowave);
sk.once = false;
showWave(sk.buffer);
});
ub.on('noisey', 'click', function (ev) {
ub.stop(ev);
sk.buffer = hb.generateWaveformBuffer(function (n) {
return Math.random() * 2 - 1;
});
sk.once = false;
showWave(sk.buffer);
});
var sin = hb.generators.sin;
function organwave(n, p) {
var out = 0;
if (p.org1) out += sin(n) / 4;
if (p.org2) out += sin(n * 2) /4;
if (p.org3) out += sin(n * 3) /4;
if (p.org4) out += sin(n * 4) /4;
return out;
}
ub.on('organ', 'click', function (ev) {
ub.stop(ev);
sk.buffer = hb.generateWaveformBuffer(organwave, {
org1: ub.gebi('org1').checked,
org2: ub.gebi('org2').checked,
org3: ub.gebi('org3').checked,
org4: ub.gebi('org4').checked,
}, hb.midi2cps(60) * 2);
sk.once = false;
showWave(sk.buffer);
});
ub.on('choose_sample', 'change', function (ev) {
var file = ev.target.files[0];
if (!file) {
return;
}
ub.stop(ev);
var reader = new FileReader();
reader.onload = function(loadEvent) {
if (loadEvent.loaded < 1024*1024) {
// less then 1MB
hb.ac.decodeAudioData(reader.result, function (buffer) {
sk.buffer = buffer;
sk.once = true;
showWave(buffer);
});
} else {
alert('Maximum supported size is 1MB.');
}
};
reader.readAsArrayBuffer(file);
});
ub.on('record', 'click', function (ev) {
ub.stop(ev);
if (tape.status=='standby') {
tape.record();
}
});
ub.on('recording_download', 'click', function (ev) {
ub.stop(ev);
tape.downloadFile();
});
ub.on('stop', 'click', function (ev) {
ub.stop(ev);
if (tape.status=='recording') {
ub.delClass('recording_download', 'ub-hidden');
}
tape.stop();
});
ub.on('play', 'click', function (ev) {
ub.stop(ev);
if (tape.status=='standby') {
tape.play();
}
});
});
</script>
<script src="//million.svita.cz/millions_v1.js"></script>
</body>
</html>