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I also have the Denon 4306. I don't believe you have to upscale the DVD recorder in the Denon. I don't use the HDMI connection myself, but the way I read the manual you could set Resolution to "480p/576p" and that would only convert 480i signals and below. It should pass-through higher quality signals without change. You could also simply skip conversion in the Denon and rely on the TV to display whatever signal is passed to it.
I don't know how the Denon does its scaling. Does anyone here? Note that converting an interlace signal to a progressive signal should be done with an algorithm that is able to detect a film 3/2 pulldown. I don't know what the Denon uses in this regard, and don't know how good it is. I do know that Pioneer makes a big deal of its interlace to progressive conversion in its Elite plasma TVs (which I own), and so I use that.
Which brings us to the 1080i vs 720p issue. Theorectically, at least, if you scaled a 720p to 1080i signal and you had a good de-interlacer in the TV, then you could scale everything up to 1080i and rely on the TV to reconstruct full frames without interlacing artifacts.
If someone reading this has some pull with the folks at HDNet, it would be great if they expanded their test signals to include some motion-artifact judging signals. Static signals are all well and fine, but they're not enough.
I don't know how the Denon does its scaling. Does anyone here? Note that converting an interlace signal to a progressive signal should be done with an algorithm that is able to detect a film 3/2 pulldown. I don't know what the Denon uses in this regard, and don't know how good it is. I do know that Pioneer makes a big deal of its interlace to progressive conversion in its Elite plasma TVs (which I own), and so I use that.
Which brings us to the 1080i vs 720p issue. Theorectically, at least, if you scaled a 720p to 1080i signal and you had a good de-interlacer in the TV, then you could scale everything up to 1080i and rely on the TV to reconstruct full frames without interlacing artifacts.
If someone reading this has some pull with the folks at HDNet, it would be great if they expanded their test signals to include some motion-artifact judging signals. Static signals are all well and fine, but they're not enough.
