Comcast box hd converter?

madkiwi

I have a tv that needs the hd tuner to get hd programming. I got the motorola dvr from Comcast...does this also work as an hd tuner? I mean, can I plug in an antenna to the box and receive local channels in hi def?

It's bothering me, because although I get a great picture and hi-def channels, I've no way of really knowing if it's a true hi-def picture.

If anyone can help, I'd appreciate it.

snatta

I have the Motorla DVR/HD Capable Digital box from Comcast too. As far as I know, yes it will get HD Channels for you, but your need a HDTV to receive them with true HD video/audio. My old Comcast black digital box gave me a blank screen on all HD Channels with just audio, but this box gives me something different. When I first got the DVR box the Comcast installer hooked it up to my 27' tv, and said I would be able to view/hear the HD Channels, but the picture would not fit my screen. We went to the HD channels and they appeared like a picture in a frame that was matted. The picture also seemed a little wavy. Then after a few days, I switched the box to my 32' tv, and all of the HD channels except Comcast Sportsnet fit that screen perfect. I am pretty sure these are not true HD channel outputs, but are digital outputs, as they are a sharp/clear picture compared to the SD channel pictures of the same channel which sometimes have a little grain on them. I now watch and record off the HD (ABC/NBC/CBS/WB/FOX/ESPN) channels for that reason. I am not sure if I changed a setting from 480 to 480i when I switched the box from the 27' to the 32' to get the better picture on the HD channels or it just had to do with the screen size. If I am going to continue to get these HD channels to fit my 32' tv like this, I might wait out the price of a 34' HDTV set until it falls below $1000. I don't know if this info helps you out or not, and maybe someone who knows more than me can explain our situations to us. Thanks.

Lacyjee

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ajwees41

how do you have it hooked up? yes it's acablebox/dvr all in one. no you can plug an antenna in it takes the cable signal only from comcast does not work with over the air signal. you will also need hd service from comcast.