I Have A Dvr 942 Receiver And A New Sansui Plasma Tv. The Lip Sync Is Off A Lot. Dish Replaced The Receiver But I Still Have The Problem. I'am Looking At A/v Receivers With Audio Delay. The One That I'am Looking At Has 160 Ms Delay. Do You Think This Will Be Enough Delay Or Should I Look For A Different Receiver? THANKS.