Very loud music, quiet dialogue-- converting question

[jason2811]

I notice that whenever I convert a file from avi or mkv into MP4 and play it through my ATV2, the dialogue in the movie is very low then when there is music and no dialogue the volume is super high. Why is this?

 

[ReggaeFire]

Sounds to me like you're playing a 5.1 soundtrack on a stereo setup.

 

[jason2811]

Sounds to me like you're playing a 5.1 soundtrack on a stereo setup.

How do I remedy this?