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#3781 | Link |
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Join Date: Sep 2005
Posts: 47
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recently i tried to convert my 1920x1080 50p videocamera mts files to 1280x720p 25p mkv but anytime i choose any filters to convert to frame rate 25p, audio and video is out of sync.
what need to be selected to get proper 25fps frame rate converted audio+video together please? thanks guys |
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#3782 | Link | |
Registered User
Join Date: May 2006
Posts: 4,041
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#3783 | Link | |
Emperor building empire
Join Date: Mar 2007
Location: ZAR
Posts: 674
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Quote:
Funny enough, I had a similar problem recently trying to convert BergensBanen released by NRK in Apple 1080 i50 (7 hour train trip in Norway). The Norwegians seem to love Slow TV more than any other nation (I guess it's the long winter nights). I've never seen it done so professionally ... by a national broadcaster, followed by such a huge audience, in realtime and ... released to the public under Creative Commons licence. The original file is a 246 GB file downloadable by torrents from NRK. They also released Hurtigruten [comment] (134 hr boat trip up the Norwegian coast) in Full HD ... a 600 GB file download. It'll make a great x265 project since the original program aired on TV @ 720p ... but should compress nicely in 1080p. That said, HDConvertToX worked flawlessly. (It's a shame all the goodies can't be updated ... but x265 is out there) It's all good ![]() ![]() ![]() Pascal Last edited by delacroixp; 21st May 2014 at 12:30. |
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#3784 | Link |
Emperor building empire
Join Date: Mar 2007
Location: ZAR
Posts: 674
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Variable quantizer profile
Where can I find a variable quantizer profile ... one that delivers the perceived quality of Q19 but the filesize of Q20 or Q21 .
I've seen 2-pass encodes with quantizers scattered all over a 5 or 10 quantizer range ... that seem to maintain a quality consistancy well beyond their single quantizer equivalent (As measured by AVInaptic). That said , I don't really want to get into 2-pass encoding (since a target filesize for each movie holds no interest to me) ... but I would like to achieve a more efficient 1-pass Q19. It might be a plan to get into a new cutting edge x264 app ... what's good to go! Thanks much It's all good ![]() ![]() ![]() Pascal |
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#3785 | Link | |
Playing with MKV files...
Join Date: Feb 2007
Posts: 278
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Quote:
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#3786 | Link | |
Emperor building empire
Join Date: Mar 2007
Location: ZAR
Posts: 674
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@ nx6
Quote:
I've been following the guys on x265 HEVC Encoder with some discussion on 'perceived' constant-quality encoding vs straight CRF. Thanks much It's all good ![]() ![]() ![]() Pascal |
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#3787 | Link | |
Registered User
Join Date: May 2006
Posts: 4,041
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Quote:
Allow CRF + 1 pass encoding=1. |
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#3788 | Link | |
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Join Date: Mar 2007
Location: ZAR
Posts: 674
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@ nx6 and Sharc
I didn't find the 2-pass quality but ...
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I don't really understand the concept but it did ... SET bitrate on the 2nd pass (gained from CRF 21 for an episode of Friends on the 1st pass) . Funny enough , the final product flatlined @ CRF 22 ... with a correspondingly smaller filesize . I can only surmise that buzzqw added some magic into that 2nd pass that boosts the quality. I didn't try to make a visual comparison since it just seems opposite to the goal of 'constant perceived quality' with 'extremely variable bitrate' . The CRF+1pass seems better suited to streaming where a constant bitrate is more important. That said ... I'm still hunting down the perfect encode. Thanks much nx6 and Sharc. It's all good ![]() ![]() ![]() Pascal |
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#3789 | Link | |
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Join Date: May 2006
Posts: 4,041
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Quote:
The second pass will improve on the perceived quality by redistributing the bits (bandwidth) most efficiently. I am not sure what the improvement would be compared to a lone CRF pass, as I have never tried this "Quality based 2-pass" method. |
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#3791 | Link |
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Join Date: Mar 2007
Location: ZAR
Posts: 674
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@ nx6
Mighty fine indeed ... very spiffy (even the site uses MS Silverlight).
Downloaded Version 7 (Doesn't install + all-inclusive EXE ... very neat) . Tried the CQ ... which encoded over 3 quantizers. However, CRF seams to be the business and lets you stipulate qpmin/qpmax . The 'estimated time remaining' is a bit whacky (jumps as wildly as the FPS) and includes ms (milliseconds) ![]() Very customizable and includes x265. It's all good ![]() ![]() ![]() Pascal |
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#3792 | Link | |
Playing with MKV files...
Join Date: Feb 2007
Posts: 278
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Quote:
![]() I should have mentioned I didn't mean the current one. I was talking about the independent bugfixing going on of version 5. I've wanted to try the current one but I'm not willing to download the ununinstallable Silverlight just to use the damn website. Cool you like it, though. Does the newer version include support for multiple audio track encoding? That's one feature I miss from HDCtoX and is not in XVid4PSP (5).
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#3793 | Link | |
Emperor building empire
Join Date: Mar 2007
Location: ZAR
Posts: 674
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Quote:
![]() Spoilt for choice ... clueless about "native" and "clone" options. ![]() Version 7 is still in BETA ... but it's the "better" way to go. It's compact , simplified and doesn't try to ... please too many people in too many ways. Unfortunately, I couldn't encode this movie since I can't find the "Half Framerate". It's all good ![]() ![]() ![]() Pascal Last edited by delacroixp; 15th July 2014 at 14:52. Reason: Afterthought |
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#3794 | Link |
Registered User
Join Date: Sep 2005
Posts: 47
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I have issue while converting video and selecting subtiles to merge in mkv file that I will end up with no output.
anyone has similar issue, as this will not happen if subtitles are not selected then encoding and output is ok. thanks for input guys |
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#3796 | Link | |
Join Date: Mar 2006
Location: Barcelona
Posts: 5,034
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Quote:
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Groucho's Avisynth Stuff |
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#3797 | Link | |
Registered User
Join Date: Mar 2011
Posts: 4,982
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Quote:
HDConvertToX Manual.zip |
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Tags |
bluray, hdc, hdconverttox, m2ts, network media tank, playstation, x264 gui |
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