What's the Best Bitrate for the Best Video Quality on YouTube? (1080p, 1440p, 4K)

This video shows you how to get the best video quality on YouTube using the best bitrate at 1080p, 1440p, and 4K. I discuss the influence of different bitrates on the perceptual video quality of YouTube 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 YouTube. Based on these computations, I found the following cut-off bitrates, after which increasing the bitrate only insignificantly improved visual quality on YouTube 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? https://netflixtechblog.com/vmaf-the-journey-continues-44b51ee9ed12

Ultimate Bitrate Comparison Excel: https://docs.google.com/spreadsheets/d/1vECo8BTb22azJQBnEen1us-xQc-4cqf9eW1ehBWR6xo

Thumbnail image: https://www.flickr.com/photos/rsusanto/8070490923/

Timeline:
00:00 How to get the best video quality on YouTube
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 YouTube file size and bitrate
09:05 Encoding 1440p to 1080p
10:22 Encoding 4K to lower resolution
11:14 Conclusions

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Видео What's the Best Bitrate for the Best Video Quality on YouTube? (1080p, 1440p, 4K) канала Tech Guides