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Lex Fridman

๐Ÿ‘ค Speaker
100747 total appearances
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Lex Fridman Podcast
#496 โ€“ FFmpeg: The Incredible Technology Behind Video on the Internet

This is all the kind of stuff you have to think about when millions of people are using.

Lex Fridman Podcast
#496 โ€“ FFmpeg: The Incredible Technology Behind Video on the Internet

You mentioned something somewhere where like all the different features of VLC, when you have that many people using it, somebody will use every single feature and they will tell you about it.

Lex Fridman Podcast
#496 โ€“ FFmpeg: The Incredible Technology Behind Video on the Internet

I would love to sort of zoom in and talk a little bit more about the distinction between kind of downloading a file and watching it offline versus streaming.

Lex Fridman Podcast
#496 โ€“ FFmpeg: The Incredible Technology Behind Video on the Internet

So the complexity, the challenges of streaming.

Lex Fridman Podcast
#496 โ€“ FFmpeg: The Incredible Technology Behind Video on the Internet

Is there something we could say about what it takes to stream files?

Lex Fridman Podcast
#496 โ€“ FFmpeg: The Incredible Technology Behind Video on the Internet

Because we've been talking about codecs, and I think a lot of that implies encoding and decoding files

Lex Fridman Podcast
#496 โ€“ FFmpeg: The Incredible Technology Behind Video on the Internet

without having to communicate over the network.

Lex Fridman Podcast
#496 โ€“ FFmpeg: The Incredible Technology Behind Video on the Internet

Sure, sure.

Lex Fridman Podcast
#496 โ€“ FFmpeg: The Incredible Technology Behind Video on the Internet

So can you elaborate what's required to do over the network stuff?

Lex Fridman Podcast
#496 โ€“ FFmpeg: The Incredible Technology Behind Video on the Internet

So probably YouTube has to figure out how the human psychology side of that, like how pissed off do you get when it's like very low bitrate and

Lex Fridman Podcast
#496 โ€“ FFmpeg: The Incredible Technology Behind Video on the Internet

and how long should it wait before it increases the bitrate even though the connection is better.

Lex Fridman Podcast
#496 โ€“ FFmpeg: The Incredible Technology Behind Video on the Internet

Because maybe the changes in the bitrate is what affects you psychologically.

Lex Fridman Podcast
#496 โ€“ FFmpeg: The Incredible Technology Behind Video on the Internet

If you hear a glitch, you realize it directly.

Lex Fridman Podcast
#496 โ€“ FFmpeg: The Incredible Technology Behind Video on the Internet

Yeah, I get to fully realize that, I suppose.

Lex Fridman Podcast
#496 โ€“ FFmpeg: The Incredible Technology Behind Video on the Internet

One of the things I'm afraid of when I listen to audio more and more, that I get to notice every single tiny detail, and that you can over-obsess when people in general are able to kind of blur their consumption.

Lex Fridman Podcast
#496 โ€“ FFmpeg: The Incredible Technology Behind Video on the Internet

They can look past certain imperfections.

Lex Fridman Podcast
#496 โ€“ FFmpeg: The Incredible Technology Behind Video on the Internet

Speaking of networking and latency, so your new effort, as we mentioned, is Kyber, which is aimed at ultra-low latency.

Lex Fridman Podcast
#496 โ€“ FFmpeg: The Incredible Technology Behind Video on the Internet

As you say, every millisecond counts, and you're applying that to remote control machines like robots, drones, computers.

Lex Fridman Podcast
#496 โ€“ FFmpeg: The Incredible Technology Behind Video on the Internet

Can you tell me about it?

Lex Fridman Podcast
#496 โ€“ FFmpeg: The Incredible Technology Behind Video on the Internet

So this comes up quite a lot in a lot of different contexts in robotics.