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.m2t render video playing at double speed
My intention was always to create 1920 x 1080 AVC files from my Canon HF10, however as per other posts here, Vegas is failing us on that front.
So next stop was to use mpeg2 at 1080p, which does render fine, however for some reason when i create a .m2t file with integrated video and audio, the video is playing back at a faster speed than the audio, it looks like almost double speed, yet audio is perfect.
If i create seperate m2v and m2a files, the video speed is fine.Guys my primary goal here is to create the highest quality files i can for playback on my windows media center pc, file size I dont care about, i just want the best quality. I dont believe media center can handle playing back the seperate video and audio files, hence the desire to render to a combined file format.
Its really becoming stupidly hard to work with vegas, if anyone can offer suggestions on how to get the absolute best quality, id truly appreciate it.
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3 Replies
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I look forward to the pros responses on this but — take this with a grain of salt — I don’t think MPEG-TS (.m2ts) is really ideal as a format for playback. It’s designed more as a transitional format for editing and transfer between devices, such as between an HD cam and your editing station.
I was fairly active on the YouTube help forums when they first rolled out their 720p version of HD and this same double-speed playback showed up a lot when people uploaded essentially raw m2ts files, especially those shot at 60i or 50i (or were they progressive scans?) from newer AVCHD cameras.
I don’t know if that has any relevance to your situation here, but I do know it happened a lot, at least at first, though I think they eventually resolved the transcoding problems. But in their case the transcoding was to a format with a much, much more realistic bitrate, aimed at replay on the vast majority of even “high end” computers that generally do not have the pricey hardware decoder chipsets on board that make a BluRay player able to handle 20 or 40MBps bitrates on the fly.
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I appreciate your response, and would certainly welcome any suggestions people might have for my best render option to maximize quality for playback.
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Hi all,
Just as an update to this, i have found a solution of sorts, there is a great little app out there call mkvmerge, which takes the seperate m2v and m2a files, and merges them into a single .mkv file.
I can then play that mkv back via media center without a problem.I dont know if this is the best or easiest answer to squeezing the most quality from the AVCHD videos, but right now using vegas, Im not seeing any other working options.
If this interests anyone, you can grab mkvmerge here https://www.bunkus.org/videotools/mkvtoolnix/downloads.html
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