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A HTML5 software midi synthesizer written in C#
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README.md

README.md

alphaSynth

alphaSynth is web based Midi Synthesizer written in C#. This library can load SoundFont2 and Midi Files and generate the raw audio samples needed for playback.

For .net target platforms you can use your prefered audio library to play the samples. A sample for NAudio playback is included.

For web platforms alphaSynth uses Web Workers and Web Audio API for playback. For Internet Explorer support, alphaSynth uses a flash fallback as audio output.

Online Demo http://demo.alphatab.net/alphaSynth

Supported Browsers

Browser Supported Used Technology
Chrome (v10+) Yes Web Workers + Web Audio Api
Firefox (v25+) Yes Web Workers + Web Audio Api
Opera (v15+) Yes Web Workers + Web Audio Api
Safari (v6+) Yes Web Workers + Web Audio Api
Internet Explorer (v10+) Yes Web Workers + Flash Playback
Apple Mobile Safari (iOS6.0) Yes Web Workers + Web Audio Api
Chrome for Android (v39+) Yes Web Workers + Web Audio Api
Opera Mobile (v24+) Yes Web Workers + Web Audio Api
Internet Explorer (<v10) No No Web Workers
Android Browser No No Web Audio Api and no Flash
IE Mobile No No Web Audio Api and no Flash

License

Copyright (c) 2014, T3866, PerryCodes, Daniel Kuschny and Contributors, All rights reserved.

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3.0 of the License, or at your option any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library.

alphaSynth is a cleaned up port of the C# Synth Project (https://csharpsynthproject.codeplex.com/) which got optimized for targeting HTML5.

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