AVS Forum Special Member
Join Date: Jan 2003
Location: Portland, Oregon, USA
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First allow me to define terms. Deinterlacing is generally the term used for converting "true video" sources to progressive. "Inverse Telecine" is used to describe converting "true film" sources back to progressive. I believe you are actually discussing "inverse telecine" in your posts since it sounds like you are talking about "true film" sources, correct? I ask since if you are watching SD music videos it might be a "true video" source.
We added "Film mode" since the GF9450 film "inverse telecine" did not live up to expectations on its own. For film mode we do our own inverse telecine, but in doing so need to bypass the GF9450. We have been discussing if there is a way to then also go through the GF9450 for noise and edge processing, but we are not yet sure if this is possible.
That said, it is very reasonable to have the Oppo output progressive if you want the Radiance noise and edge processing. Unlike SD DVDs, where many movies are coded as interlaced, the Bluray movies we know about are encoded as progressive. Because of this, if you then output progressive from the Oppo for these Bluray's there is no inverse telecine step at all. So many prefer to send bluray movies to the Radiance progressively at either 24p or 25p. I used to suggest they be sent to us as 1080i with our oldest software, but now with our current software I suggest 24p/25p from the Bluray player to eliminate the inverse telecine from the video chain completely.
If you are watching a PAL DVD, and you like the Oppo inverse telecine, and you want the Radiance noise and edge processing, it is absolutely fine to output progressive video from the Oppo to the Radiance. We do recommend you output at the native resolution of the source (576p for PAL) from the Oppo so the Radiance can use it's NoRing (TM) scaling to scale the image to the display/projector resolution.