2.1.0 • Published 9 years ago
node-pico v2.1.0
pico.js
Audio processor for the cross-platform
Support
Support | API | |
---|---|---|
Google Chrome 10+ | :o: | Web Audio API |
Firefox 25+ | :o: | Web Audio API |
Safari 6+ | :o: | Web Audio API |
Opera 15+ | :o: | Web Audio API |
Internet Explorer 10 | :o: | Flash fallback |
Node.js 0.10 | :o: | node-speaker |
Installation
npm:
npm install node-pico
bower:
bower install pico.js
downloads:
- pico.js
- pico.min.js
- pico.swf - must be put in the same directory with the pico.js.
API
Pico.play(audioprocess: function): void
Pico.pause(): void
Pico.sampleRate: number
Pico.bufferSize: number
Pico.isPlaying: boolean
Example
var Pico = require("node-pico");
function sinetone() {
var x1 = 0, y1 = 440 / Pico.sampleRate;
var x2 = 0, y2 = 442 / Pico.sampleRate;
return function(e) {
var out = e.buffers;
for (var i = 0; i < e.bufferSize; i++) {
out[0][i] = Math.sin(2 * Math.PI * x1) * 0.25;
out[1][i] = Math.sin(2 * Math.PI * x2) * 0.25;
x1 += y1;
x2 += y2;
}
};
}
Pico.play(sinetone());
setTimeout(function() {
Pico.pause();
}, 5000);
How to play other examples on node.js
$ npm install .
$ npm run build
$ node examples
Development
build: 6to5 -> browserify -> uglify
npm run build
test: mocha
npm run test
coverage: istanbul
npm run cover
lint: jshint
npm run lint