http://forums.mozillazine.org/viewtopic.php?f=38&t=2542145
Wow, it’s all the way back in Firefox version 15.
NOTE: THIS SEEMS TO ONLY AFFECT WINDOWS VISTA SYSTEMS.
Anyway, if you’re trying to use HTML5 audio tag to play MP3 files, you might notice Firefox being a little lagging to play it. According to the forum in the link above, (more…)