This video shows you how to get the best video quality on RU-vid using the best bitrate at 1080p, 1440p, and 4K. Updated version: • Best Bitrate for YouTu...
I discuss the influence of different bitrates on the perceptual video quality of RU-vid videos based on clips from Call of Duty: Modern Warfare Warzone and Counter Strike: Global Offensive. This analysis is based on render clips of varying bitrates at different resolutions (1080p, 1440p, and 4K). Using the perceptual video quality assessment algorithm VMAF developed by Netflix, I was able to compute quality metrics for each video re-encoded by RU-vid. Based on these computations, I found the following cut-off bitrates, after which increasing the bitrate only insignificantly improved visual quality on RU-vid further:
4K: 80-100 Megabit/second
1440p: 60 Megabit/second
1080p: 40 Megabit/second
While these are what I would consider the "best" bitrates that you can choose, I didn't find that the perceptual quality would ever decrease when further increasing the bitrate, so the only actual limit on bitrate and final visual quality is really your internet connection and disk space!
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What is VMAF? netflixtechblog.com/vmaf-the-...
Ultimate Bitrate Comparison Excel: docs.google.com/spreadsheets/...
Thumbnail image: www.flickr.com/photos/rsusant...
Timeline:
00:00 How to get the best video quality on RU-vid
00:56 Caveat
01:29 Summary of results
02:51 Testing methodology
04:27 Best bitrate at 1080p
06:07 Best bitrate at 1440p
07:06 Best bitrate at 4K
07:36 What about CRF?
08:05 RU-vid file size and bitrate
09:05 Encoding 1440p to 1080p
10:22 Encoding 4K to lower resolution
11:14 Conclusions
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8 авг 2024
