This is a tough situation because the solutions vary and none of them are all that great. It also depends on where you're listening to your music and watching your videos. If you want to handle this ...
Make sure you set it on "direct stream copy"<P>Run normalization software on it.<P>Note, you may have to convert the WAV file to uncompressed PCM audio first.<P><BR>Then simply re-mux (and recompress ...