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Kieran Kunhya

๐Ÿ‘ค Speaker
1922 total appearances

Appearances Over Time

Podcast Appearances

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

And same for the audio, you're going to talk to your audio card, which then is going to go in analog to your audio speakers.

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

the thing that goes inside.

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

So the container is what we call also the muxer, right?

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

When I say demuxing, it means decontinuizing, right?

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

So actually, if you look, mux means multiplexer and demultiplexer, right?

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

Mux and demux are those.

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

And same at Kodak is actually coder, decoder, right?

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

And so

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

containers are this collection of multiple tracks right so it's a what normal people call the file format but it's a bit more um subtle than that but the most known one of course is mp4 but uh when i started it was avi right if i was the the video format from from uh microsoft and uh move mov which became mp4 was a format from apple

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

In the open-source community, one of the persons that is still active on Videoland is called Steve Lom and started this Matroska format, which is a bit more complex and more feature-proof.

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

And there are so many others.

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

No, it's not.

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

Because technically, the name of H.264 is MPEG-4 Part 10.

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

Because MPEG-4 is actually a metaspecification which has several things in it, right?

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

There is the Part 2.

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

So there is like audio codecs, right?

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

AAC, the factor is MP4 audio, something like that.

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

there is actually several video codecs, right, inside the MPEG-4 specification.

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

One of them is MPEG-4 part 10, called also AVC, called also H.264, right?

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

So it's completely the fault of the industry to make things difficult to understand.