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flaki/upmix.js

Last active January 1, 2022 17:44
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Console fix for mono audio in stereo videos on YouTube like this one https://youtu.be/P3X3J-8ICAo
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upmix.js
(function(){
vid=document.querySelector('video.html5-main-video');
ct = new AudioContext();
src = ct.createMediaElementSource(vid);
splitter = ct.createChannelSplitter(2);
src.connect(splitter);
merger = ct.createChannelMerger(2);
splitter.connect(merger, 0, 0);
splitter.connect(merger, 0, 1);
merger.connect(ct.destination);
})();
@jcsrb
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jcsrb commented Apr 5, 2021

link didn't work for me, so here is the long version of the sample link

https://www.youtube.com/watch?v=P3X3J-8ICAo

@flaki
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flaki commented Apr 5, 2021

Riight good catch, thanks @jcsrb fixed it.

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