Audio Authority 979R Digital to Analog Audio Converter - PCM to Stereo RCA Output for Home Theater & Hi-Fi Systems | Perfect for DVD Players, Game Consoles & Audio Streaming Devices

Jan 1st this year our RV Resort closed down the 25 year old analog cable system. I went to an antenna sytem. This changed the input of my TV from ATSC to NTSC TV Signal The owners manual says when this is done the audio out changes from dolby digital to PCM digital. Because I am hard of hearing I use a Sony wireless head set. I have been using this system for over a year with a digital to analog converter. For some reason this PCM converter does not work for the TV when on antenna but works when on component input the same as my old D to A converter.