HD or SD

Not really. It is a digital signal so it would most likely look better than an analog one. Some local stations (we have one in Jacksonville), takes its 480i signal and "upconverts" it...but it still isn't HD.

DD only refers to Dolby Digital sound. It doesn't matter whether the program is HD or SD. DD just means the program contains anywhere from 1 to 5.1 channels in a digital form.


As far as the picture looking good - it just means you're seeing it with a lot less compression than with other channels. SD can look very good, especially from a live program where it hasn't gone through a long tape chain. I edit SD and HD video side by side every day. There are times when the HD is so compressed, good SD video actually looks about as good to the eye (of course my measurement equipment tells me tthe HD is supposed to be better). Of course, I'm seeing nearly uncompressed (all digital video has compression of some kind) signals on professional equipment. If people at home could see some of the SD I see before it hits the content providers, HD wouldn't look nearly as much better.

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Hope you got your NOMEX on after making THAT statement! (But it is a true statement.)

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I'd rather see the HD that you see.

Guess the Dolby Digital sound your Receiver noticed has just two Channels.


DougMan

With a few exceptions, 4:3 programming is not HDTV.


Examples of the rare 4:3 HDTV programming are Academy aspect ratio movies, like The Wizard Of Oz, or Gone With The Wind, or filmed animated specials like Frosty The Snowman and Rudolph The Red Nose Reindeer, that have been transferred to HD video.

Usually the HD programming on local network channels is the network shows during primetime, mostly drama and comedy shows, not the reality or news/magazine programs. True HD (with rare exceptions of HD masters from old movies/filmed shows) will be 16:9 full screen.

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On tape it usually is (D6 excepted) but not from live cameras or telecine. To be fair, I've not noticed a difference between uncompressed and HDCAM SR or D5. Even 45Mb HD MPEG2 is quite transparent.

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On tape it usually is (D6 excepted) but not from live cameras or telecine. To be fair, I've not noticed a difference between uncompressed and HDCAM SR or D5. Even 45Mb HD MPEG2 is quite transparent.
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All HD ATSC transmissions use DD (Dolby AC3), regardless of whether the material is from native HD or upconverted SD.