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Comment by source99 | Hacker News Reader

It's worth watching the video just for the sound effects.

Wow the was... bad. I can get scientists want to bring SciFi to life, but this is a stretch.

In the second Artemis Fowl book, there is a centaur who uses a human laptop (magical creatures live in a technologically advanced society underground), and the first thing he does is mute it. He complains that humans are unevolved and have some sort of compulsion to make their products emit sounds and and lights.

Foaly was the best!

At first I thought, "Oh, these sound effects are kinda cool, to give the video a flair for the dramatic." There's not going to be any noise inside of the vacuum, but the initial sound effects were probably the noises that the contraption would make if it had air to propagate the sound waves.

But, as the video went on, the sounds effects just go more and more ridiculous. An alarm sound as the object is sent down a tube?! And the coup de grace was the lawn mower sound effect at the very end as the object was wheeled away.

Don't watch the video on mobile if you are bandwidth limited. It's 628MB for a 2 minute video.

Not quite sure how you got that number, but here are the real file sizes: 77 MiB (1080p), 49 MiB (720p), and 18 MiB (360p).

I did:

    youtube-dl 'https://cdnapisec.kaltura.com/html5/html5lib/v2.47/mwEmbedFrame.php/p/684682/uiconf_id/31013851/entry_id/0_gaag5ixq?wid=_684682&iframeembed=true&entry_id=0_gaag5ixq'

And that was the filesize I got.

Pass youtube-dl the -F parameter to see all the video formats available. In this case:

    [info] Available formats for 0_gaag5ixq:
    format code  extension  resolution note
    hls-meta     mp4        multiple   Quality selection URL 
    mp4-467      mp4        640x360     467k , isom container, avc1, 29fps, ~9.29MiB
    hls-478      mp4        640x360     478k 
    mp4-664      mp4        640x360     664k , isom container, avc1, 29fps, ~13.10MiB
    hls-679      mp4        640x360     679k 
    mp4-904      mp4        640x360     904k , isom container, avc1, 29fps, ~18.00MiB
    hls-925      mp4        640x360     925k 
    webm-1436    webm       1280x720   1436k , webm container, v_vp8, 29fps, ~28.50MiB
    mp4-1453     mp4        1280x720   1453k , isom container, avc1, 29fps, ~28.90MiB
    hls-1487     mp4        1280x720   1487k 
    mp4-2455     mp4        1280x720   2455k , isom container, avc1, 29fps, ~48.80MiB
    mp4-3884     mp4        1920x1080  3884k , isom container, avc1, 29fps, ~77.20MiB
    mpeg-32358   mpeg       1920x1080  32358k , mpeg-ps container, mpeg video, 29fps, ~627.00MiB (best)

So, you're both right.

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