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Kieran Kunhya

πŸ‘€ Speaker
1922 total appearances

Appearances Over Time

Podcast Appearances

Lex Fridman Podcast
#496 – FFmpeg: The Incredible Technology Behind Video on the Internet

And this is the full name.

Lex Fridman Podcast
#496 – FFmpeg: The Incredible Technology Behind Video on the Internet

Nice.

Lex Fridman Podcast
#496 – FFmpeg: The Incredible Technology Behind Video on the Internet

Yeah.

Lex Fridman Podcast
#496 – FFmpeg: The Incredible Technology Behind Video on the Internet

And for HCVC, it's MPEG-H, H.265, HCVC.

Lex Fridman Podcast
#496 – FFmpeg: The Incredible Technology Behind Video on the Internet

Got it.

Lex Fridman Podcast
#496 – FFmpeg: The Incredible Technology Behind Video on the Internet

And there is H.266, which is also named VVC.

Lex Fridman Podcast
#496 – FFmpeg: The Incredible Technology Behind Video on the Internet

Is there a high-level thing to say about the improvement?

Lex Fridman Podcast
#496 – FFmpeg: The Incredible Technology Behind Video on the Internet

30% each generation is the best summary.

Lex Fridman Podcast
#496 – FFmpeg: The Incredible Technology Behind Video on the Internet

This is true both for the AV products and the H.26456.

Lex Fridman Podcast
#496 – FFmpeg: The Incredible Technology Behind Video on the Internet

So the professionals who are listening to us are going to kill us because they say, no, it's 35%, 25%, 50, blah, blah, blah.

Lex Fridman Podcast
#496 – FFmpeg: The Incredible Technology Behind Video on the Internet

But globally, you need to know that HEVC is 30% better than H.264, H.263 is 30% better than H.265 because there are so many cases and so many scenarios.

Lex Fridman Podcast
#496 – FFmpeg: The Incredible Technology Behind Video on the Internet

For example, there are cases, especially for screen recording, where the gains are

Lex Fridman Podcast
#496 – FFmpeg: The Incredible Technology Behind Video on the Internet

humongous because you arrive, you have the right tool that is done for that.

Lex Fridman Podcast
#496 – FFmpeg: The Incredible Technology Behind Video on the Internet

And so for a specific video, a new generation is going to give you 70% gain or 80% gain.

Lex Fridman Podcast
#496 – FFmpeg: The Incredible Technology Behind Video on the Internet

But there used to be a ton more codecs, but now the two main codecs for transmission are the H.264, H.265, H.266, and the other is AV1, AV2.

Lex Fridman Podcast
#496 – FFmpeg: The Incredible Technology Behind Video on the Internet

And I guess the major difference would be the cost of encoding.

Lex Fridman Podcast
#496 – FFmpeg: The Incredible Technology Behind Video on the Internet

Yes, and the royalty of the patents.

Lex Fridman Podcast
#496 – FFmpeg: The Incredible Technology Behind Video on the Internet

Yes.

Lex Fridman Podcast
#496 – FFmpeg: The Incredible Technology Behind Video on the Internet

And this is the reasons why you see the AV version of Codex is because they try to be as royalty-free, which means no cost for the patents as much as possible.

Lex Fridman Podcast
#496 – FFmpeg: The Incredible Technology Behind Video on the Internet

Because what you need to know, and we've not talked about that so far, is that