Aspire Digital AD-900 DVD Player "cant hear talking movie" Questions

...cant hear sound from a dvd player, i can hear the backgroud of the movie but cant hear the people talking.. This is gong to sound lame because I don't know the answer but I can point you in the right ...

...your DVD via a DSP or audio systems, check also the color system of the amplifier, it should be adjusted to your color system. I CAN HEAR SOUND FROM MY SPEAKERS BUT I CANT HEAR THE PEOPLE