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[HELP] 25i to 29.97i with interpolation - Printable Version +- Selur's Little Message Board (https://forum.selur.net) +-- Forum: Hybrid - Support (https://forum.selur.net/forum-1.html) +--- Forum: Problems & Questions (https://forum.selur.net/forum-3.html) +--- Thread: [HELP] 25i to 29.97i with interpolation (/thread-2814.html) |
RE: 25i to 29.97i with interpolation - Selur - 12.12.2022 25p to 29.97i:
Adding a new job and processing that job, creates: Video => works here. Cu Selur RE: 25i to 29.97i with interpolation - Miranda - 30.12.2022 Can I go also go from an NTSC 29.97i capture to upscaled 29.97i/59.94? RE: 25i to 29.97i with interpolation - Selur - 30.12.2022 Sure. NTSC 29.97 interlaced -> upscaled 29.97i: Load the source, set output to interlaced and upscale. NTSC 29.97 interlaced -> upscaled 59.94p: Load the source, bob deinterlacing and upscaling. NTSC 29.97 telecined -> upscaled 29.97i: Load the source, set output to interlaced, apply IVTC, upscale, interpolate frames. (instead of IVTC, one could also bob deinterlaced and use FillDrops to replace the duplicates with interpolated frames) NTSC 29.97 telecined -> upscaled 59.94p: Load the source, apply IVTC, upscale, interpolate frames. (instead of IVTC, one could also bob deinterlaced and use FillDrops to replace the duplicates with interpolated frames) Cu Selur RE: 25i to 29.97i with interpolation - Miranda - 30.12.2022 The 29.97i capture is from an NTSC VHS which was originally shot in the UK on 25i video, then converted to 29.97 for its USA video release back in the 1990s. I'd like to leave it as 29.97i/59.94 for its USA Blu-ray premiere ![]() I just tried the same settings I have been using for 25i and it seems to work OK. RE: 25i to 29.97i with interpolation - Miranda - 30.12.2022 What is the difference between 29.97i and 59.94? RE: 25i to 29.97i with interpolation - Selur - 30.12.2022 Different frame rates and one is interlaced while the other is progressive. RE: 25i to 29.97i with interpolation - Miranda - 03.07.2023 Is there be any benefit to convert the 29.97 interlaced fields to 59.94 progressive frames? I've seen this done on some Blu-ray releases. RE: 25i to 29.97i with interpolation - Selur - 03.07.2023 a. Not having the playback device having to deal with the deinterlacing. (Some devices do a good job, others don't. Clients are usually not happy if the content they are presented with shows combing artifacts, even when it's their equipment that is faulty) b. While at it, additional filtering can be applied. (+ you can sell a DVD->Blu-ray conversion, but better than a Blu-ray with 1:1 copied DVD content, even though the standard supports it) c. Tons of DVD releases are a mess since folks mixed progressive, interlaced, telecined, field shifted content (thinking about tons of anime and sci-fi dvd releases). Handling progressive content in an NLE is more straight forward and thus hopefully avoids such botched up releases. d. Encoding progressive content usually is more effective than encoding interlaced content. Newer formats more and more drop support for interlaced content. RE: 25i to 29.97i with interpolation - Miranda - 03.07.2023 Would the 59.95 progressive file still have that "video" look? After all, the content I'm working with was shot on videotape. It would be a shame to lose the analogue appeal of the original videotape footage. I guess I can only try and see how it looks. RE: 25i to 29.97i with interpolation - Selur - 09.07.2023 Quote: I guess I can only try and see how it looks.Yup, best test it for yourself. ![]() |