Randy,
Try stand-alone panels next to the TV, parallel to your side walls, like this one:
http://www.gikacoustics.com/product/freestand-acoustic-panel-gobo/
Best,
E
Try stand-alone panels next to the TV, parallel to your side walls, like this one:
http://www.gikacoustics.com/product/freestand-acoustic-panel-gobo/
Best,
E