KVCD Challenge - Spiderman 2
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I managed to back up Spiderman 2 onto 2 CDs and it looks great, but that was too easy :wink: Has anyone managed to get it to fit on 1 CD? I tried a few different ways, but my latest attempt has a resolution of 352x480, I used Hybridfupp ("Medium"), and ended up with a CQ of 24.2 using TMPGEnc - YIKES 8O I think it is the intro to the movie that is killing the CQ - very fast moving and detailed - but integral to the start of the film (IMHO) so I don't want to cut it all out. So, has anyone managed to get this movie onto a single CD with watchable quality? I'd be very interested to see your script and settings! Or am I just being too unreasonable? (it wouldn't be the first time! :lol: ) - Icarus |
Re: KVCD Challenge - Spiderman 2
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You're talking about Marvel's into, right? But I don't think it would be enough for such a low cq figure. The hardest part of the intro doesn't last more than 20 seconds. Which version of tmpg are you using? It wouldn't happen to be 2.59, would it? And please post your full script. Cheers |
My script:
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FYI: When fitting on 2 CDs I don't remember the exact CQ but I believe it was in the upper 70s. |
- try a lower min bitrate, like 150-300kbps
- lower the VBV buffer to 40 - use a 2-block overscan - use MPEG-1 Why do you use 16:9 as the aspect ratio? Do a 16:9->4:3 conversion so there will be black borders to keep the aspect ratio correct, CQ value will also rise greatly. Use the latest TMPGEnc (released a short while ago). |
With a such min you won't be abble to put anything on a single CD. No need to go further.
Moreover : 1/ you resize without any cropping -> you screw completly the AR ! 2/ let HybridFuPP to the the resize by itself. That enhance it's action. Note : fix your codecs : that is NOT normal to have to doa ConvertoYV12 in a script using MPEG2source ! DVD are YV12. |
direct resizing from 720width to 480width (in pal and NTSC) is almost ok.
As both will be resized/played back technically by your SAP in an active Window of 53.333µs on your TV using the NTSC or PAL specific MHz rate. But anyway such 480x480 encodings without any overscan compensation (overlayed or resized) is not the way we do handle our encodings :) You can seeit like 2 Tables where the reolutions do just stand in direct resizing relation (ok, minimal errors will be the result anyway). 720*XXX 544*XXX 480*XXX 704*XXX 528*XXX 352*XXX So I DO NOT understand why for example 528x576 isnt a specs based DVD compatible resolution! *grrrrr Also 480x576 as mostly used for TV Playback is technically seen NOT logically at least at PAL. They should have set the standard to 464*XXX (464*1.5=696, means almost 702px ITU) Also a reason why I would never encode in PAL a KVCD at 544*XXX, cause 528 resized by the TV using factor of 1,4586 results in 770px means almost 768px full PAL. |
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I don't understand most of the comments.
The Aspect ratio doesn't cause me any problems. I want to keep it at 16:9 so that I can make it anamorphic widescreen, which is also why I want to keep it mpeg-2. The minimum bitrate of 600 is necesary due to some standalones (Pioneer in particular) not playing properly with higher minimum bitrate. How should my script look to add a 2 block overcan, and still keep 16:9 aspect ratio? FYI: I use the exact same script (even at 544x480 for movies up to 95 minutes long). This movie is 122 minutes long but even still I was surprised that the resulting CQ was < 25! |
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(or probably your current standalone reads all VCD or SVCD in anamorphic, as does my Pioneer, even if the disc is 4:3 :-() BTW as boulder says : you can't keep the movie without black bars and expect to have it on a single CD. It's impossible ! KVCD allows to put 2 hours of letterboxed movie on a disc. Withotu the bars, you can't put more than 1h20 with a decent quality. Quote:
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ok... I give up :) I guess it is not possible to do what I want.
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I am just encoding for myself, but want my results to be as compatible as possible because who knows what player I will have in the future. Has anyone out there ACTUALLY tried to make this film fit on one CD? I understand the theory behind your suggestions, but want to know if anyone has done this in practice (this exact movie). MPEG-1 4:3 letterbox, overscan, etc... I really suspect this movie will be harder than you think! I have to say that I have been encoding many movies in the way I tried to do this one, and they have all been turning out great (under 100 minutes). I would have probably even been happy with a CQ of 50 on this one. - Icarus |
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(i'm talking about the CQ50 here, not the movie :-D) |
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Phil: You sound more like someone on another forum when they are asked about the quality of KVCD! I guarantee you you would not call the quality of the encodes I have done with this method "crap" if you saw them with your own eyes - I always use CQ>60, usually >65. I admit CQ 50 wouldn't look so "great". I used to do mpeg-1 4:3 letterbox, but was very disappointed when playing back on some player/ widescreen TV combinations that I know ended up with black bars not only on top and bottom, but on left and right too! That is why I started doing all my widescreen movies in 16:9 mpeg-2 format. Adding overscan blocks is something that I neglected to do though, and I will dust off my copy of FitCD to remind myself how to do that. |
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Nevertheless, I did not say "your KVCD are craps" but something more like "I fear that what you call "great" I call this crap". That suggested that all is subjective. Quote:
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I ripped my spiderman dvd the wide screen edition and calcumatic said I could use a 721 avg bitrate. That should give okay quality just use it in cqmatic and predict the cq
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The bitrate never gives any clue about CQ.
Yesterday I did 2 KVCD : one with 1330 and the other with 920. Cq for first one was 70, CQ for second was... 79 ! |
ow :P never noticed that :P But thanks for the info
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