Why does preset "veryfast" in FFmpeg generate the most compressed file compared to all other presets?

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Music by Eric Matyas
https://www.soundimage.org
Track title: Ocean Floor

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Chapters
00:00 Question
02:32 Accepted answer (Score 114)
10:44 Answer 2 (Score 18)
11:21 Thank you

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Full question
https://superuser.com/questions/1556953/...

Question links:
[FFmpeg wiki]: https://trac.ffmpeg.org/wiki/Encode/H.26...

Accepted answer links:
[Lossy compression]: https://en.wikipedia.org/wiki/Lossy_comp...
[rate per distortion]: https://en.wikipedia.org/wiki/Rate%E2%80...
https://trac.ffmpeg.org/wiki/Encode/H.26...
[SSIM]: https://en.wikipedia.org/wiki/Structural...
[PSNR]: https://en.wikipedia.org/wiki/Peak_signa...
[Hi444PP profile]: https://en.wikipedia.org/wiki/Advanced_V...
[How to create an uncompressed AVI from a series of 1000's of PNG images using FFMPEG]: https://superuser.com/questions/347433/h...
[main profile]: https://en.wikipedia.org/wiki/Advanced_V...

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Tags
#ffmpeg #video #compression #videoconversion #x264

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