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How to render video in Sony Vegas Pro 13 so that the video has a minimum size with good picture quality?
Help, I rendered a 7 minute video on 150 GB. I would even say tell me the format so that a short video does not fill the precious space of my memory, my computer!
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Wow! 7 minutes for 150GB, is it avi format? MP4 put and you will be happy!
What format to upload videos to YouTube?
if you fundamentally need to reduce the size as much as possible, while not reducing the quality - use two-pass encoding (2pass), rendering time will greatly increase.
if you need a small file size AND fast rendering at the same time, with a slight deterioration in quality - use nvidia cuda or intel quicksync if the processor / video card has these technologies.
with amd it is also possible - opencl, but the efficiency of using vegas is low, it is better to use the h264 hardware encoder on the video card (amd vce), it's more difficult - https://vk.com/topic-84786662_33590065
you can use the h264 nvidia nvenc hardware encoder https: //vk.com/topic-84786662_33494293
I must say right away that hardware encoders - quicksync, nvenc, vce have a lower image quality than a software x264/avc//mvc/cuda/opencl encoder in vegas at the same bitrate, therefore it is advisable to set the minimum bitrate for video with a resolution of 1920x1080 and a frame rate of 30 not lower than 8 Mbps, the quality will be slightly higher than on youtube.
For an approximate calculation of image quality, use this formula:
(1000 * bitrate in kbps) / (video resolution X * video resolution Y * video frame rate) = quality.
above 0.1 - quality like a studio film (if the original video was of good quality - shot with a high bitrate of 30 - 60 Mbps)
excellent quality 0.1 - impractical on full hd, get a 60 minute video size of 22 GB, like bd remux has good quality.
good 0.08-0.07
bad <0.05 - suitable only for youtube/web broadcasts, blocks are visible on the video.
disgusting <0.04 - suitable only for viewing on a smartphone screen.
if you count the qval of any youtube video, you can see that they compress the video too much, because all the videos there look blurry.
https://vk.com/board84786662 - you can ask around there if the acceleration does not work.
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