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The Free Lossless Audio Codec (FLAC) is a widely used lossless audio codec, which means that the audio is compressed without any loss of quality. A decoded FLAC stream is bit-for-bit identical to the original uncompressed audio file.
You can check out a demo alongside our other decoders alac.js, MP3.js, and AAC.js. Currently flac.js works properly in the latest versions of Firefox, Chrome, and Safari.
flac.js was written by @jensnockert and @devongovett of Audiocogs.
We use browserify to build flac.js. You can download a prebuilt version from the Github releases page. To build flac.js for the browser yourself, use the following commands:
npm install make browser
This will place a built
flac.jsfile, as well as a source map in the
flac.js depends on Aurora.js, our audio codec framework. For detailed information on how to use Aurora.js, check out the documentation.
flac.js is licensed under the same terms as the original FLAC decoder in FFMpeg. The original license follows.
FLAC.js 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 2.1 of the License, or (at your option) any later version. FLAC.js 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.