biggreydgog Posted July 19, 2014 Share Posted July 19, 2014 I have Control 4 for distributed audio and video with video matrix with HDMI and cat 5 distribution. In my main living room, I am using a 7.2 system and in all other TV areas straight stereo. I am having problems with DirecTV sending Dolby Digital to the living room. I can only get Dolby Digital Pro Logic on my preamplifier. If I connect a optical output from the DirecTV receiver to the preamp and bypass the video matrix, I will get Dolby Digital correctly so to me this seems like a matrix related issue. My installer is suspicious that if a source isn't locked down to an area, it gets downgraded to the lowest common denominator and in this case pro logic or stereo. Does anyone have experience with this? Does the matrix only downgrade the signal when multiple signals are on or all the time? Link to comment Share on other sites More sharing options...
mstafford388 Posted July 19, 2014 Share Posted July 19, 2014 Welcome to the wonderful world of HDMI distribution. To answer your question, yes, a lot of times systems are dumping things down to the lowest common denominator with video and/or audio. It really depends on your matrix itself as to what that actually looks like. Link to comment Share on other sites More sharing options...
texas3622 Posted July 19, 2014 Share Posted July 19, 2014 Don't HDMI matrices have an EDID setup so you can lock in the setting for a zone? That is how I think mine is setup. Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
SMHarman Posted July 19, 2014 Share Posted July 19, 2014 Welcome to the wonderful world of HDMI distribution. To answer your question, yes, a lot of times systems are dumping things down to the lowest common denominator with video and/or audio. It really depends on your matrix itself as to what that actually looks like.They do but that prevents other destinations using the same source simultaneously. Link to comment Share on other sites More sharing options...
biggreydgog Posted August 3, 2014 Author Share Posted August 3, 2014 Ok well then why can my AppleTV send Dolby Digital 5.1 over HDMI through the matrix ok, but not directv unless it is straight optical? Link to comment Share on other sites More sharing options...
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