4 ms·Isn't Spotify serving 320kbps .ogg files? How is YouTube better?by aiilns 4y agoIsn't Spotify serving 320kbps .ogg files? How is YouTube better?snvzz 4y agoYouTube uses Opus these days. This is currently the best lossy codec available.dikei 4y agoOpus can save you a bit of bandwidth for the same sound quality, but if the bit rate is high enough, every codecs sound the same/transparent.