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[–] 43 points 1 year ago (25 children)

it's crazy to me that for all the ai "advances" in the past few years nobody has thought to improve subtitling.

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  • [–] 7 points 1 year ago (8 children)

    Andrew Ng did a video when he gradually added noise to the training audio to improve the quality.

    But here we are dealing with homophones so it's not just turning speech to text, it also needs to be context aware.

    Possible but too expensive to implement automatically.

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  • [–] 6 points 1 year ago (7 children)

    context awareness is the entire point of language models tho :(

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  • [–] 2 points 1 year ago (6 children)

    I'm highlighting that speech to text and context awareness are different skills.

    YouTube is unlikely to waste loads of compute power on subtitles that don't need it just to capture the occasional edge case.

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  • [–] 1 point 1 year ago (5 children)

    i mean, it's a one-time-per-video thing. they already do tons of processing on every upload.

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  • [–] 3 points 1 year ago (3 children)

    So if you can reduce compute there then you save money.

    There is no technical difficulty. It's a business decision.

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  • [–] 2 points 1 year ago (2 children)

    right now they're dynamically generating subtitles every time. that's way more compute.

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  • [–] 1 point 1 year ago (1 child)

    For real? That's incredibly dumb/expensive compared to one subtitle roll. Can you share where you saw that?

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  • [–] 1 point 1 year ago*

    well, i have no evidence of this. however. looking at the way auto-generated subtitles are served at youtube right now, they are sent individually word-by-word from the server, pick up filler words like "uh", and sometimes pause for several seconds in the middle of sentences. and they're not sent by websocket, which means they go through multiple requests over the course of a video. more requests means the server works harder because it can't just stream the text like it does the video, and the only reason they'd do that other than incompetence (which would surely have been corrected by now, it's been like this for years) is if the web backend has to wait for the next word to be generated.

    i would love to actually know what's going on if anyone has any insight.

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  • [–] 6 points 1 year ago* (2 children)

    It's even worse for captions.

    Captions and subtitles aren't even the same thing.

    In fact, most DVD players don't even pass the code captioning through HDMI ports, so old captioned DVDs don't work anymore.

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  • [–] 4 points 1 year ago* (last edited 1 year ago)

    explain. edited with explanation. i've seen the technology connections video, thanks.

    my comment is still about the actual post above, and i was specifically thinking about auto-generated subs rather than, say, movies. apparently that's not obvious.

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  • [–] 6 points 1 year ago (2 children)

    My student friend tells me that the auto-generated captions for non-English MS Teams lecture recordings recently have improved significantly and have even become usable.

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  • [–] 1 point 1 year ago (8 children)

    Probably because a lot of countries either dub the content or it is already in their native laguage. You generally see a lot of subtitles on OpenSubtitles of countries like The Netherlands where that doesn't happen

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  • [–] 2 points 1 year ago (7 children)
  • [–] 1 point 1 year ago (5 children)

    No, but on the fields where there is money to be made for subtitles, like movies and tv shows.

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  • [–] 1 point 1 year ago (4 children)

    what does that have to do with the OP though?

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  • [–] 1 point 1 year ago (3 children)

    Where do you think money for development of new shit comes from? From places where money is made, like TV, movies etc. YouTube doesn't really make more money because the ads are there.

    And Twitter hahaha I can only laugh at that

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  • [–] 1 point 1 year ago (2 children)

    ...i feel like you're having a different conversation than i am.

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