hi all
and thanks 4 every thing u r doing here
i have a sony hdr-sr11 and i capture some videos with FULL HD
but when i convert these videos to other formats the quality become low
my question is
i want to save these videos with 640x480 and same quality or near HD quality
what is the best format??? avi...mpg...mpeg...?
notice:i use ulead12 and sony vegas but not much with the vegas
and thanks very very much
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You can't keep near HD quality at a resolution that is only 1/20th HD resolution. The best you can hope for is to keep the best clarity you can after the resize. Personally I would use Xvid4PSP, apply an LSF sharpen filter from it's list, then encode using H264 in an MP4 container (or mkv if you prefer) using a constant quality encode. You won't have any control over the file size, but you will preserve the best image quality.
Read my blog here.
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Why 640x480 and not 854x480 (square pixel 16:9) ?
Quality retention involves several steps
1. Pre-filter (usually low pass filter)
2. Downsize (separate fields for interlace*)
3. Post-filter (if necessary)
4. Encode (higher the bit rate the better)
SD 16:9 h.264 video should be encoded ~4-6 Mb/s if your goal is quality.
Experiment.
* If you want to deinterlace, do it before you downsize.Recommends: Kiva.org - Loans that change lives.
http://www.kiva.org/about -
i downloaded the program
but cant open the files
the format is MTS
it gives me illegal path!!! -
try changing the extension to something that works
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