Firefox audio settings

I've used both Chrome and Firefox and find Firefox is the better browser for me but I have one issue with firefox and that is it's audio output. When I play videos in chrome the audio is of much better quality then firefox for some reason. I have not adjusted any audio or video settings in either so it is the default setting of each. I'm assuming that it's the default audio setting of each browser but really don't know. How can I figure out what is making this difference in order to set firefox's audio to the same setting as chrome?

Is this happening with a plugin like Flash or with the built-in HTML5 media player?
You can toggle these prefs to false on the <b>about:config</b> page to disable the HTML5 media player for some files like MP3 audio files and H.264 videos.
*media.windows-media-foundation.enabled
*media.directshow.enabled
You can open the <b>about:config</b> page via the location/address bar.
You can accept the warning and click "I'll be careful" to continue.
*http://kb.mozillazine.org/about:config

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