I have DM800 connected to an AV Receiver by an optic fiber cable.

Works fine, switching channels fine noiseless.

But when change to media player and start an MP3 file, on switching to play it, makes an bad and loud noise.......then plays mp3 fine....

It seems to be something bettwen the change from TV to Media Player about sound or ac3 drivers.....

Anyone has the same experience?