Audio problems on my 32" Technika TV?

I am having problems with the speech audio when playing dvds and blurays through my Samsung P1580 Blu-ray player when connected through a 32" Technika TV..
I have had the Bluray checked and all is ok.
It also works fine on other TVs.
As far as I am aware I have correctly set up the TV's limited audio settings.
What am doing wrong?

Richard Allwood
April 2010