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Why do YouTubers clap at the start of videos?

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  • Am 18 Sep 2022 veröffentlicht
  • It's about synchronisation, right? Well, not exactly...
    I'm at tomscott.com
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KOMMENTARE • 3 492

  • Tom Scott
    Tom Scott  Vor 16 Tage +18108

    Don't worry, I didn't travel to New Jersey just for this; I was in the area and it seemed like an apt location. I did try to remove the truck-reversing sound near the end, but it just sounded worse: and given what I was talking about at the time, that also felt apt!

    • Michael Green
      Michael Green Vor 3 Tage

      Shouldn't it be Horsell Common?

    • guy
      guy Vor 3 Tage

      @Ajit Adonis Manilal Have you been to new jersey? didnt think so.

    • guy
      guy Vor 3 Tage

      @Connor’s Pear atleast we have actually good pizza

    • Chris Purdy
      Chris Purdy Vor 3 Tage

      When I saw 'Martian Landing Site' I thought you were in Woking, then the rest of the plaque came into view and I realised you were in the States.

    • TJ Donahue
      TJ Donahue Vor 3 Tage

      Van Nest Park! I grew up in the area and certainly never thought I'd see it pop-up in a DEclips video not specifically about the War of the Worlds. Great work as always!

  • Anthony Harris
    Anthony Harris Vor 12 Tage +26843

    Telling the audience that you're doing a thing to subtly manipulate them, and how and why it works, with no intent to stop because it DOES work, thus establishing trust by being forthright about a lie to establish trust is probably about the most Tom Scott thing ever.

    • TridentTank88
      TridentTank88 Vor Tag

      @Pixxlated it may be for synchronization but leaving it in to make people trust you does make it manipulation. It might not be as bad as other forms of media but it is still manipulation.

    • Galaxis
      Galaxis Vor 4 Tage

      I recently heard an explanation that that is why Trump would constantly tell blatant lies when he was president.

    • Kas S
      Kas S Vor 5 Tage

      @iambiggus actually, influence can be seen as either good or bad.
      Someone can influence someone to do something ethically good (for themselves to help them. The one getting influenced aka either a win win solution or a neutral win solution.) Or for bad (not ethical aka a win lose.)
      Manipulation is only seen as bad and unethical.

    • iambiggus
      iambiggus Vor 5 Tage

      @Kas S That's bad grammar. You can influence someone with manipulation. They are not synonyms nor mutually exclusive.

    • SilentlyContinue
      SilentlyContinue Vor 6 Tage

      Scott Adams level persuasion

  • Mara Jade
    Mara Jade Vor 12 Tage +962

    What I love is that he not only answers the question, but he does it in such a way I don't want to skip to the end.

    • Pupper Gump
      Pupper Gump Vor 3 Tage

      @Emily An Didn't know you liked Mara Jade that much

    • Emily An
      Emily An Vor 9 Tage +1

      You are low key becoming my fav youtuber. Extremely precise, no crap, informative and interesting at the same time!

    • Emily An
      Emily An Vor 9 Tage +2

      You are low key becoming my fav youtuber. Extremely precise, no crap, informative and interesting at the same time!

  • Dorian
    Dorian Vor 11 Tage +380

    I have an auditory processing disorder. I noticed the lack of sync immediately, because of being so used to reading lips and searching for visual cues. Also, knowing Tom Scott, I was kinda expecting it to be unsynchronized on purpose. Very cool video.

    • Liz Fong-Jones
      Liz Fong-Jones Vor 5 Tage +1

      Yup, noticed the lip sync was wrong too!

    • Matthew Boonstra
      Matthew Boonstra Vor 7 Tage +13

      Funny, I have an APD too and I didn't notice it because I was too busy reading the subtitles haha

    • Emily An
      Emily An Vor 9 Tage

      want to skip to another one"

  • T2and3
    T2and3 Vor 12 Tage +768

    It's amazing how Tom manages to look like he's both in his 20's and in his 60's at the same time

    • Valoeghese
      Valoeghese Vor 2 Tage +1

      Though in this case it’s not the kind of “weird” I’d expect from zoomer humour

    • Valoeghese
      Valoeghese Vor 2 Tage +2

      Once upon a time, jokes made sense. Then generation Z arrived 🥴

    • Marcelo Elias
      Marcelo Elias Vor 2 Tage

      @Luca Marins How so? Please enlighten me.

    • Luca Marins
      Luca Marins Vor 2 Tage

      @Marcelo Elias That's not how jokes work, though.

    • Marcelo Elias
      Marcelo Elias Vor 3 Tage

      @Zraknul Aren't jokes supposed to make sense?

  • koshkamatew
    koshkamatew Vor 12 Tage +91

    6 seconds into the video and we already have our answer, other youtubers should look up to this guy

    • Jason Gronn
      Jason Gronn Vor 8 Tage +2

      Nope. He specifically stated that was not the answer. The actual answer was revealed about 2/3s into the video.

  • James Brixey
    James Brixey Vor 12 Tage +4247

    The wave to the crewmembers who may or may not have been there is an absolute masterpiece of subversion, creating just a tiny bit of doubt.

    • KANI B.
      KANI B. Vor 8 Tage

      Why do several parts seem sped up?

    • ella
      ella Vor 9 Tage

      nobody is credited for camera or sound in the description

    • Rafał Sobczyk
      Rafał Sobczyk Vor 9 Tage +1

      @Fiore Deutchmark and you're very hard to like

    • dream haunter koichi
      dream haunter koichi Vor 12 Tage

      @It's a secret he actually is using a green-screen if you look closely around Tom's t-shirt, no joke

    • MonkeyJedi99
      MonkeyJedi99 Vor 12 Tage +3

      @Vigilant Cosmic Penguin Ah! That explains some things.

  • Jason Osmond
    Jason Osmond Vor 12 Tage +118

    In case some people don't catch the irony of showing the monument in the end of the video, in 1938 Orson Welles did a radio theater adaptation of H.G. Wells' "The War of the Worlds"... except he didn't tell the audience at the beginning that it was just a theater show, so people across the country started panicking because they thought a real life alien invasion was underway. People at the time got much of their news from radio, and Welles created a show that used theatrical authenticity to exploit the audience's trust in radio as a news medium, while here, Tom is demonstrating how he uses theatrics to create authentic trust between himself and the viewer.

    • Andrew Notgonnatellya
      Andrew Notgonnatellya Vor 3 Tage

      If I recall, it wasn't a nationwide panic but a mix of mayhem from unattentive folks and smart moves like checking any other station for coverage From rational minded folks.
      Note that in the Quito reenactment of this broadcast there WAS a panic - so large that two people died.

    • gotioify
      gotioify Vor 5 Tage

      @DOOMTHO well to be honest I'm working off a half remembered paper of the subject I read about 10 Years ago

    • DOOMTHO
      DOOMTHO Vor 6 Tage

      @gotioify This is a genuine question - do you have a source for that?

    • gotioify
      gotioify Vor 6 Tage +2

      @Blue Egg While it's true it didn't cause a wide spread panic, it did cause a bit of mayhem till folks realized it wasn't real.

  • Bill Doorley
    Bill Doorley Vor 12 Tage +91

    We used to call this "double-system sound" in the 16mm film days. Much as Tom is doing here, we had a sound recorder separate from the camera, usually a Nagra or some other high-quality (ie, "expensive") type. Sync was either with a cable connecting the camera and recorder or motors on both devices controlled by crystals that kept the speed constant. In post, we transferred the sound from 1/4-inch, reel-to-reel tapes to 16mm film that was coated with magnetic recording material. That way there was a frame-for-frame match between picture and sound. Of course, it took a lot of machinery to make this happen, and that's why movies with sound were beyond the range of most people. Thanks, Tom.

  • J L
    J L Vor 9 Tage +4

    I get a weird uneasiness sometimes with poorly synced audio. I did this time, was actually noticing in real-time, and only realized why after you explaining and changing it back a few seconds later. Certainly confirmed a lot for me and possibly explained why at times I’ll find a video I just find unsettling to watch for unapparent reasons.

  • alphabet is gay
    alphabet is gay Vor 11 Tage +41

    Honestly Tom you have been a standard of what youtube videos can be and how they should cater to their audience, thank you for all that you do.

  • Shawn Christopher
    Shawn Christopher Vor 12 Tage +3987

    "I don't want to be relatable, I want to be trustworthy" - I think this is why we all love Tom.

    • Alexandra S.
      Alexandra S. Vor 11 Tage

      he was speaking for a bigger entity than himself

    • Sam Miller
      Sam Miller Vor 12 Tage

      @May L It does not matter if you are NEO or the Pope. What matters is if you stop using "cos".

    • Sam Miller
      Sam Miller Vor 12 Tage

      @Bryan mildy annoying?

    • Sam Miller
      Sam Miller Vor 12 Tage

      @TeslaInvestah Those are Old Testament wages. The death comes from starvation. Now it's from overwork in an Amazon warehouse.

    • somniloquous0
      somniloquous0 Vor 12 Tage

      I don't think it's actually true, though. A big part of why it's so compelling when he decides he's going to tattoo someone or let a pro-wrestler bodyslam him is because he is a relatable "everyman" figure

  • AWadeLa
    AWadeLa Vor 6 Tage +2

    "I don't need to be relatable. I don't really want to be relatable." I have never heard Tom sum up so succinctly the difference between how he uses youtube and how most other youtubers use it.

  • David Frank
    David Frank Vor 12 Tage +43

    I noticed the audio lag and it was infuriating. Weirdly, when I looked away it felt like I was listening to an audio track that was separate from the video. Weird how our brains do that.

  • Hitomi
    Hitomi Vor 12 Tage +2

    Thanks for explaining why you do it, but you're the only youtuber I watch that does, and I never found that it adds any more authenticity to the video. It doesn't bother me and after the hundreds of videos you've arbitrary made with this assumption, I think you've convinced yourself it's helpful, but just thought I'd give a genuine perspective as a viewer.

  • keyboardsmash
    keyboardsmash Vor 2 Tage +3

    Thanks for clearing up why I feel vaguely insane for audio and lip syncing discrepancies (I wear HAs and heavily reliant on lip reading so I catch the spots where audios doesn’t quite match the video, but it hard to quantify so I just feel vaguely insane 90% of the times it happen😅 especially cause it doesn't bother all of my hearing friends less)

    • Juna N
      Juna N Vor 2 Tage

      Same, but this time I actually didn't notice until Tom said it since I was watching with subtitles and focusing on them instead haha

  • MysterySteve
    MysterySteve Vor 12 Tage +8527

    I respect the hell out of Tom every time he pulls a baller move like giving exactly the solution you're looking for within 10 seconds of the video starting, trusting you to be patient enough to wait through the rest just because you seek the pleasure of learning something

    • SirPogsalot
      SirPogsalot Vor 7 Tage +1

      According to Einstein, genius is curiosity, not knowledge (heavily paraphrased)

    • MysterySteve
      MysterySteve Vor 9 Tage +1

      @Alexandra S. And you know what? I'm okay with that. Still learned a few things

    • Alexandra S.
      Alexandra S. Vor 9 Tage

      @The Phoenix System i feel like 1% get it

    • Alexandra S.
      Alexandra S. Vor 9 Tage

      This video isn’t about what you think. Tom has effectively distracted you and you never noticed.

    • John Doe
      John Doe Vor 9 Tage +1

      And then you have people like me who use SponsorBlock and can get straight to the point of the video at 2:32.

  • K C
    K C Vor 9 Tage +1

    When I sell our products, I highlight the flaws and then outweigh them with positives. The products my company sells are big commitments, and through my dad who started the business, he drilled into me that customer satisfaction and ease will guarantee sales, and so far he hasn’t been wrong.
    It’s the exact reason Tom was saying, where it puts people at ease; the back of your brain that’s cynical and analytical about the things you see and hear can take a break, and you can make decisions with ease. I don’t do this with the intent of manipulation, because I ultimately strive for transparency…but at the same time, my reason for being transparent is technically manipulation?
    It’s hard to describe, but I’m effectively competing with subconscious doubts rather than conscious decision making.

  • Vanasonic
    Vanasonic Vor 12 Tage +7

    I trust Tom Scott with my life because he claps at the beginning of his videos.

  • eyevenear
    eyevenear Vor 4 Tage +1

    you didn't mention an additional issue that we subconsciously correct during editing: our ears perceive sound faster than eyes perceive images, so a "perfect" sync on paper will still look weird, whereas if you delay the audio just by 1 or 2 frames, it will compensate the "slowness" of the eyes, and they will meet in the brain at the same time, resulting in a more natural synchronization. in short, each sense has its own delay times, hope this helps.

  • Clay
    Clay Vor 11 Tage +9

    My new favorite thing that Tom does is answer the video title question we all read in our heads when the video starts. Its like he's answering our inner monologue.

  • FWUTIG
    FWUTIG Vor 12 Tage +3838

    I really appreciate how he gets straight to the point for people who are just curious then goes into all the details and stuff through the rest of the video

    • Juniper Berri
      Juniper Berri Vor 8 Tage +4

      He gets to the point at 2:33, ~2/3rds of the way through the video.

    • zekai witcher
      zekai witcher Vor 9 Tage

      @Mihail Milev balls

    • Mihail Milev
      Mihail Milev Vor 11 Tage +1

      @Alexandra S. wym

    • Alexandra S.
      Alexandra S. Vor 11 Tage +19

      what is funny is that he SEEMED to get straight to A point, but he was subtly talking about something else. take the time to rewatch and pay attention to the details of his surroundings and how they relate to the timing of what he says. you might realize something else

    • Idaho
      Idaho Vor 12 Tage +51

      @607 He does not get straight to the point, but he does explain the answer in a very short amount of time. It can still be appreciated.

  • Mia! 25 y.o - check my vidéó

    Telling the audience that you're doing a thing to subtly manipulate them, and how and why it works, with no intent to stop because it DOES work, thus establishing trust by being forthright about a lie to establish trust is probably about the most Tom Scott thing ever.

  • Hunter Morgan
    Hunter Morgan Vor 7 Tage +14

    Tom always impresses me with those incredibly long shots of him talking. I can't imagine how hard it is to not slip up for that long.

  • Eric Laska
    Eric Laska Vor 11 Tage +1

    They also sell time synch devices for video recording, and it can be _too_ perfect. Even with such gear you should still visually confirm, because if your synch is made from e.g. the back of a concert hall it is going to significantly lag behind the video due to the speed of sound being _slow._ I've seen quite a few where the conductor's beat pattern is visibly _far_ ahead of the audio (e.g. half a beat or more), and it drives me nuts having spent my whole life playing in bands/orchestras and watching the conductor without the lag. Perhaps because that is how most people experience a concert (sitting in the audience), they leave the audio lag in?

  • platonicVulpine
    platonicVulpine Vor 11 Tage +1

    Oh, are we finally getting to the arc where the production crew get introduced as characters to further drive parasocial engagement? :P
    I kid of course, but it is interesting to know that video creators usually have these ideas in mind as they make their videos.

  • Simon Clark
    Simon Clark Vor 12 Tage +4221

    As I've said for years: the best production value isn't always the _highest_ production value. It depends on the audience, the message, and the format

    • Alexandra S.
      Alexandra S. Vor 9 Tage

      Simon….i dont think they get it. i just dont think they get it. but they WILL, once it is plainly explained, and only THEN will the true value of this production come to light for them. for now: it is a random bit of video editing factoids 😂😂😂

    • Doom Marauder
      Doom Marauder Vor 11 Tage

      Unless we are speaking about the Rings of Power which is a modern day masterpiece.

    • Follow Media
      Follow Media Vor 11 Tage

      i have been listening to Simon Clark say this exact sentence for years and can confirm he has been saying it for years.

    • LinkEX
      LinkEX Vor 11 Tage

      @Pseudonym73 That actually makes sense, what we're thinking of now is merely implicit quality through high quantity of costs - rather than quality through efficiency.

    • Keenan
      Keenan Vor 11 Tage

      Simonoxfphys back at it again!!!

  • Neon Recording
    Neon Recording Vor 7 Tage

    Tom, thank you so much! These appear to be simple concepts, but really are much deeper than I knew.
    This is all great stuff, thank you!

  • apainintheaas
    apainintheaas Vor 12 Tage +1

    I think it also helps draw more of the audiences focus. I notice that instead of just putting on an other video in the background and zoning out as I sometimes do, it grabs my full attention for a brief moment. Possibly getting me more invested in the video and separating it from what I was watching before.

  • Maximilian Beißel
    Maximilian Beißel Vor 11 Tage +1

    Actually, even in film scoring or trailer music / sound design, big hits are just slightly behind explosions / cuts because it feels more realistic. As you explained, soundwaves need some time to travel but light does (almost) not. The brain does allow up to ~10ms of delay in sound before we mention that something is off. But every single millisecond of sound being ahead of light feels odd. Crazy, right?

  • Josmi
    Josmi Vor 12 Tage +2

    that's why I love your videos: no cuts, straight forward, that truck backing up...just leave all in.

  • A_Guy_in_Orange
    A_Guy_in_Orange Vor 12 Tage +4477

    Serious question, is this a script you've had in your back pocket for those situations where you go to say a Martian landing site and it turns out to not really be interesting enough for its own video, or the local expert calls in sick and you can't make a recording on the topic you meant to? Do you have a backlog or list of these like the list of bad ideas if so?

    • Alexandra S.
      Alexandra S. Vor 9 Tage

      “Being snarky before getting it” should be put on a list of bad ideas

    • Alex .G
      Alex .G Vor 11 Tage

      @A_Guy_in_Orange I wrote "/j" to indicate i was joking lmao

    • Jason Dashney
      Jason Dashney Vor 12 Tage +1

      @Bernd Eckenfels "well, the panic is also made up, so it might be worth to report about how media can, for the,sake of a good story, generate a well known fact which was never true (in its reported severity)"
      The last half dozen years have produced some extremely clear examples of this. It's a big contributor to DEclips's rise. People are trusting independent creators more than media conglomerates who are beholden to government whims and big corporate advertiser interests.

    • Buford Frink
      Buford Frink Vor 12 Tage +1

      Maybe the trick is to watch the video backwards. It's really about martians and a long lead up to the applause.

    • Vigilant Cosmic Penguin
      Vigilant Cosmic Penguin Vor 12 Tage

      Tom definitely made a conscious decision to film this somewhere that's interesting enough that people will go, "huh, that's weird," but not interesting enough to warrant its own video.

  • ThatGuyCalledDai
    ThatGuyCalledDai Vor 11 Tage +3

    The human connection point about behind-the-scenes is demonstrated really well in Joel Haver's videos. The slip-ups and smirks that he deliberately leaves in just make it all the more endearing.

  • Clement Wong
    Clement Wong Vor 8 Tage +1

    I will always trust Tom, he's so relatable

  • djones02
    djones02 Vor 12 Tage +3

    I was just explaining this to my colleague the other week. I do webcasts and video recordings and noticed that audio out of sync isn't always bad or noticeable.
    But if the audio is before the video people will notice and complain.
    I figured it out that is actually normally how our brains perceive the world.
    Since light travels faster than sound.

  • Daedalus Young
    Daedalus Young Vor 11 Tage

    1:48 Yes, that's how that works, we are used to hearing sound milliseconds later than seeing whatever made that sound, and our brain automatically puts the two together. Which is why, when syncing up, and that can't be done perfectly accurate (due to one frame being 0.03 seconds long and your audio recording might not start exactly at the start of a frame), it's fine to have the sound a little bit later. But not earlier, our brain doesn't understand that.

  • Harshal Parmar
    Harshal Parmar Vor 12 Tage +3963

    This video is the definition of "anti clickbait". Didn't even read the question from the title back, straight to the point. Why can't all YTers be like this.

    • d1353lp0w3r
      d1353lp0w3r Vor 12 Tage

      Because Tom cares more about educating people than capitalism, unlike most DEclipsrs

    • Kaiwala
      Kaiwala Vor 12 Tage

      If you like this I suggest watching Adam Ragusea - he makes cooking videos, or cooking science videos depending on if you want a recipe or just want to learn something.

    • Issa humps
      Issa humps Vor 12 Tage

      Because you need over 10 minutes to monetize it properly

    • Drizzle
      Drizzle Vor 12 Tage

      @May L I'm not sure I get your point?

    • Mert Arican
      Mert Arican Vor 12 Tage +1

      This was definition of ''clickbait'' but in a good way. We got our answer at the back till then it was just dragging.

  • Cody Hellyeah
    Cody Hellyeah Vor 11 Tage +1

    TV audio guy here-between audio and video of multiple cameras, our sync difference is within spec if it’s 2 frames or less in a 60fps environment, or about 34 milliseconds since I use that measurement to get closer. The important part, when you can, is audio be later than video for the reasons you described, but also because the speed of sound is always slower than the speed of light - you will never hear a thing before you see the thing (unless it’s out of frame), so your brain will send off alarm bells if it’s off the wrong way, but can compensate if it’s off but in the right direction.

  • Capt. Arash
    Capt. Arash Vor 12 Tage +3

    I actually learned this simple technique several years ago in one of your videos and it saved me from buying a clapper for audio and video syncing.

  • Ssmithj3
    Ssmithj3 Vor 12 Tage +2

    I can (usually) always notice when the audio is desynchronised from the video, and it gets really frustrating for me, often to the point that I can no longer watch. However, sometimes, the audio is so out of sync that it becomes fine again, like a couple of seconds.

  • Gursheen Kaur
    Gursheen Kaur Vor 12 Tage +2

    You are low key becoming my fav youtuber. Extremely precise, no crap, informative and interesting at the same time!

  • Brad Davis
    Brad Davis Vor 12 Tage +2088

    100ms (or ~6 frames) is actually roughly the upper limit where most people tend to notice audio and video are desynchronized, as long as you're dealing with something like talking. This comes up a lot when building VR environments where you're trying have a central server match up audio and facial animations for a lot of clients. Source: former VR developer.

    • Brad Davis
      Brad Davis Vor 13 Stunden +1

      @Peter Yianilos I was talking about the threshold for what most people will notice. You're talking about the standard for a professional broadcast. It's "what you can often get away with" vs "what you should do in a mature professional ecosystem ".

    • Peter Yianilos
      Peter Yianilos Vor 20 Stunden

      @Figment Absolutely. Digital data is referred to as packages for raw data, or frames in video production. The very same frame structure is in place as for film, yet there are more choices of frame rate with digital recording.

    • Peter Yianilos
      Peter Yianilos Vor 20 Stunden

      @stacey You are correct to be concerned about 2 frames. If you have the capability, you should look for sub-frame lip sync.

    • Peter Yianilos
      Peter Yianilos Vor 20 Stunden

      I can tell you with certainty that 100ms is quite excessive in television broadcast. That would be considered a failure to be addressed. A single frame might get by in a pinch.

    • NickyWags07
      NickyWags07 Vor 5 Tage +1

      @KidHeracles I had a bad pair of earphones years ago with a long delay and couldn’t watch videos because of that delay, it actually got me into audiobooks cuz then I didn’t have to see how badly it was out of sync while I got my books beamed into my head

  • Luc W
    Luc W Vor 12 Tage +1

    This reminds me of one of the most famous Brechtian theatre techniques, in which spectators are explicitly reminded that they are in fact watching a play. Great stuff!

  • Lucas Reis
    Lucas Reis Vor 12 Tage +15

    As a long time fan, I gotta say this is one of you best videos yet. Simple, quick and to the point, while also being very enlightening.
    As always, thank you for your work Tom!

  • Greg Bartholomew
    Greg Bartholomew Vor 12 Tage

    Tom, your videos are great, so informative and explained in a why that anyone can understand, and you cover such a great range of topics, I love them!

  • Aryasakti
    Aryasakti Vor 12 Tage +3

    That answer was way deeper than I thought it should be. Perhaps many does it without consciously thinking about all these details, but to know that it works in a way so soft and subtle adds plenty of meaning to it

  • Oblivion
    Oblivion Vor 12 Tage +2

    My issue was always matching my mouth movements to the sound given out. I notice it in other YTers vids that their mouth and sound don't 100% match

  • sparkypi
    sparkypi Vor 7 Tage +1

    I don't even have words for that ending. That was too perfect, Scott. Too perfect XD

  • jowys
    jowys Vor 11 Tage

    I know you've probably heard it before but thank you so much for just answering the title immediately in your videos. Honestly its what gets me to stick around, because now I'm more intrigued to know _why_

  • Ranulf Doswell
    Ranulf Doswell Vor 11 Tage

    Haha I love the ending "you can trust me..." on a panning shot to the Martian landing plaque. Odd nobody else seems to have commented on that! I'm guessing it has something to do with War of the Worlds?
    Also, interesting to me, the audio you said was 3 frames late looked more natural to me than the audio when it was supposed to be exactly synchronised, even though it was quite a close shot and the delay due to speed of sound should have been about 1 frame.

  • Harry101UK
    Harry101UK Vor 12 Tage +869

    I was expecting the camera to pull back and reveal a crew of 20+ people when Tom said "You can trust me."

    • Jalcome
      Jalcome Vor 12 Tage

      Im disappointed that its not

    • Argus Fleibeit
      Argus Fleibeit Vor 12 Tage +1

      @Pork Cracklins Historical marker for something that never happened, except thousands of people got scared witless listening to the live broadcast from 50 miles away.

    • Vigilant Cosmic Penguin
      Vigilant Cosmic Penguin Vor 12 Tage +5

      There should've at least been a brief jump cut to a camera operator waving.

    • Pork Cracklins
      Pork Cracklins Vor 12 Tage +9

      @Buster Beachside Not just any Martian landing site, but in Grover's Mill, the site of the Martian landing in Welles' "War of the Worlds." Another example of a story told with a effort in artificial credibility.

    • nathan87
      nathan87 Vor 12 Tage +4

      Hahaha same I was totally expecting the reveal to be a green screen in a studio.

  • Jose Paniagua
    Jose Paniagua Vor 12 Tage

    No matter how long or short your videos are, theu always seem to have most amount information as possible just so much so its keeps wanting for more, keep up the kick ass work Tom

  • Scottie Hollywood
    Scottie Hollywood Vor 12 Tage

    Well I honestly learned something new today. Thanks Tom, I appreciate it, along with your hard work.

  • Sporkle BlueMoon
    Sporkle BlueMoon Vor 3 Tage

    I love that he says 'its okay! You can trust me!' and then for the ending shot it cuts to 'martian landing spot'
    Nice one! Haha! ❤️

  • Steve Spark
    Steve Spark Vor 11 Tage

    Oh wow. I always assumed the mic was directly linked to the camera and recorded to the same file.
    When I did my grooms speech they clipped a sound recorder mic to me, I was surprised and thought it would have been a radio mic to the camera at the other side of the room. I thought they were just bodgers 😂 but the video turned out perfectly. 😏

  • EmberDrops
    EmberDrops Vor 12 Tage +3

    The "It's OK, you can trust me" line and the following cut to the sign "Martian landing site" is genius XD

  • Christopher Raff
    Christopher Raff Vor 9 Tage

    1:58 How expensive do DEclipsr's think clappers are?
    Also wanted to bring up "setting expectations". I do camera work, and my specialty is handheld filming. One of the things you do when working handheld is move the camera around a bit even when you don't need to be moving it because that is what the audience expects. It turns a really lackluster shot into something dynamic and living and lets the viewer know, even if it is subconsciously, that the camera is a part of the scene, not some weird entity that exists outside the world of the movie.

  • TeknoViking
    TeknoViking Vor 12 Tage +1

    Like when a DJ is mixing tracks and you can hear the beats slightly out of sync for a few seconds, letting you know that it's not some software auto-mix, but an actual craftsman.

  • marcianoacuerda
    marcianoacuerda Vor 11 Tage

    Haven’t thought about this until now, but there’s has to be a system that does this sync internally on cameras. Something that makes the recording of video and audio start at the same time, or with 6 frames of delay max!

  • Marsamune
    Marsamune Vor 12 Tage +722

    Same thing is huge in music. Alot of songs start with the drummer counting everyone in or even the band talking before the song, even on studio recordings. Gives it a human touch.

    • Etop Owertwon
      Etop Owertwon Vor 11 Tage

      Oh, that makes sense. It also answers the question I actually wondered the other day: why every other clip bascially has a freaking movie before the song starts. It's really infuritating when you don't want a human touch and want to skip to the good part.

    • quinbot quinbot
      quinbot quinbot Vor 12 Tage

      @Sergeantmajormario "giving the breasts" Someone needs to retrain his autocorrect.🤣

    • Chris M
      Chris M Vor 12 Tage

      Although the one that sticks in my mind is U2’s “One”. (Purely the count in with the drumsticks.)

    • Chris M
      Chris M Vor 12 Tage

      Billy Joel, Matter of trust…

    • thehipstersquid
      thehipstersquid Vor 12 Tage +1

      This is used a lot in The Strokes - The New Abnormal, and it does make it feel more "human"... More as if the band is letting loose and having fun instead of doing a professional recording.

  • Matt McIrvin
    Matt McIrvin Vor 11 Tage +1

    I just made a little video today, for a specific work-related purpose, and I realized that, having gotten a take that was the right length, I was OK with leaving all my ums and hesitations and verbally corrected misstatements in because it was supposed to look like a live demo. It probably has that same emotional effect on the viewer.

  • Rob Knight
    Rob Knight Vor 12 Tage +3

    I like the irony of telling us about making your audio trustworthy whilst standing on the spot where so many people were duped by a radio broadcast.

  • Kay Ohtie
    Kay Ohtie Vor 5 Tage

    Thank you for helping resolve my sanity by clarifying it was 3 frames late; it's funny how that TINY amount of desync can offset the video and audio enough to feel like it's a voiceover instead.

  • notyourdad.
    notyourdad. Vor 4 Tage

    Funnily enough I have made around 650 videos for YoutTube with separate audio and video recordings and haven't clapped or done anything similar once because Adobe Premiere Pro syncs the files flawlessly every time even without it because it just compares the waveforms and doesn't need a big spike to figure it out.

  • Andrey Rumming
    Andrey Rumming Vor 12 Tage +1

    I am pleased and excited to say that I did in fact notice the slight out of sync audio by 3 frames. I will admit that, while I saw and noticed it, I thought it was my PC doing something weird XD

  • Emily An
    Emily An Vor 9 Tage

    "I don't want to be relatable, I want to be trustworthy" - I think this is why we all love Tom.

  • Tim Weisgerber
    Tim Weisgerber Vor 12 Tage

    I love how this video is about visual cuts and not audio syncing. Well done, yet again!

  • RipleySawzen
    RipleySawzen Vor 12 Tage

    Yes! Our brains do compensate for sound lag, such that the audio can be greatly delayed and it still looks right to us. Our brains will try to tie a sound after an action to that action.
    The reverse is not true at all! Even a slight negative delay will be immediately noticeable. This is because it never happens in real life, and so our brains are wired to perceive a sound before an action as definitely not a part of that action.

  • Grady Philpott
    Grady Philpott Vor 12 Tage +478

    I cannot tell you how many times I have wondered why film crews use clapper boards, which of course, I've never actually seen in person, but every time I see one in a film or documentary that uses one that is digitized, I wondered why such a manually-operated feature was still needed and now I know. Thank you, Tom.

    • Helena Blakemore
      Helena Blakemore Vor 12 Tage +5

      FYI the electronic clapper boards are really expensive, as in, the small one is somewhere around $800 USD iirc. They have a wireless receiver that gets information from another specialized bit of kit which can be attached to high end cinema cameras. On those cameras, there's a port that sends out accurate timecode. The slate can also send timecode and audio blips to a separate video recorder, which means there is 0 slip when synching the audio in the edit booth. This precision allows auto synch features to work really well, but without it, the manual synching method that Tom shows is still perfectly acceptable.

    • Chris Hayes
      Chris Hayes Vor 12 Tage +9

      It's also fun to see how many takes a shot took when they show the clapper board. A notable example is OK GO's "I won't let you down" music video, which was done all in one go. From the board you can see it took them 127 takes!

    • Daniel Weston
      Daniel Weston Vor 12 Tage +12

      @Shannon Gerry Still have my chalkboard clapper...... a new one would be nice......

    • odinata
      odinata Vor 12 Tage +9

      Film crews use clapper boards to synchronize audio to video.

    • Shannon Gerry
      Shannon Gerry Vor 12 Tage +93

      If you see a modern clapper board you might see that they also have what's known as a timecode running on it. Timecode is in the format HH:MM:SS:FF (for hours, minutes, seconds, and frames (sometimes the last : is a ; for reasons it's not helpful to mention here) ). Assuming it's properly synchronised each frame of video should see a unique timecode on the clapper board and multiple cameras can then easily be synchronised without needing to record audio or find the actual CLACK, you just look at what's on the board for whichever frame you have and you know the offset.

  • Justin Stott
    Justin Stott Vor 12 Tage

    You are awesome dude, definitely one of the coolest nerds I’ve seen! I noticed the three frame delay. Brilliant! Keep up the good work!

  • Vic Jang
    Vic Jang Vor 12 Tage

    Brilliant video, Tom. Your videos are always so informative and on point. Love it.

  • Tim Fischer
    Tim Fischer Vor 12 Tage +1

    This has also been a trend in documentaries recently, where it shows the crew setting up the microphone on the person interviewed. For Example the new Nawalny documentary.

  • Alec Langerud
    Alec Langerud Vor 11 Tage

    Your videos are a land of answers to questions I never knew I had, and I love it.

  • Jovan
    Jovan Vor 12 Tage +758

    Leave it to Tom Scott to make a video about literal audio syncing, not clickbait it, and still manage to get over a million views with every video

    • Jovan
      Jovan Vor 11 Tage

      @May L sorry what?
      im not, where did you get the idea that i was?

    • May L
      May L Vor 12 Tage

      @Jovan : Are you one of the people working behind the scenes to achieve that stats ? I am a bit impressed also...shocked too, actually. I never even knew that people can genuinely make a career, or even company, out of youtube videos. Really, a whole new world out there.

    • Persun McPersonson
      Persun McPersonson Vor 12 Tage +9

      @Arnav Kumar
      No, it's anything that's made to bait you into clicking. Not all clickbait tactics are necessarily lies-but they are still all a form of psychological manipulation, much like advertising.

    • Shannon Gerry
      Shannon Gerry Vor 12 Tage +9

      Yep, "it's not what you think" is definitely clickbait.

    • Ahsim Nreiziev
      Ahsim Nreiziev Vor 12 Tage +16

      @Arnav Kumar
      Not quite true. Clickbait is literally what it says: something (usually a title or thumbnail) to bait people into clicking on the video.
      Nowhere in there does it say anything about it needing to be a lie.

  • Stacey Oleinik
    Stacey Oleinik Vor 9 Tage

    "Answering the question that was asked" and why a lot of people don't do it in general could be an entire topic in itself. Thank you!

  • Gurjas Singh Batra
    Gurjas Singh Batra Vor 12 Tage

    At 1:48, I absolutely love that you honestly mention that it's speculation rather than fact. Goes to show how much you care about knowledge and not looking knowledgeable!

  • Xcyiterr
    Xcyiterr Vor 11 Tage

    tom is the type of person who, despite not having ever met personally before, I would 100% trust with my life

  • Deelusi
    Deelusi Vor 12 Tage +2

    1:48
    I was animating lip sync and decided to take a break, and was like... "His mouth look and feels weird, am i tired?" legit checking if I'm on Bluetooth mode or something. XD

  • doddleoddle
    doddleoddle Vor 12 Tage +2061

    thank you for the clarification i finally understand myself fully

    • Avengers Newbie
      Avengers Newbie Vor 12 Tage

      Haha 😂

    • Connor Halliday
      Connor Halliday Vor 12 Tage

      @Ethan Pender Aha, guess i'm a part timer

    • MikeOnaBike
      MikeOnaBike Vor 12 Tage

      Hi from Nashville, dodie! We love you!

    • SM_Stormzy
      SM_Stormzy Vor 12 Tage

      Wait is that one person who made the song I like?

    • Tree42
      Tree42 Vor 12 Tage +1

      @Connor Halliday you know, I actually expected this

  • drexell
    drexell Vor 12 Tage

    I like to record onboard audio for my camera for this reason, it's a great tool to double check when the camera should be hearing what your microphone is picking up.

  • assy_rain
    assy_rain Vor 11 Tage

    I love how he tells us the answer immediately then explains

  • Grimbeard
    Grimbeard Vor 3 Tage

    There is also a good lesson here for students undertaking assessed work: answer the question you're asked, not a different (albeit related) question.

  • rxiko
    rxiko Vor 6 Tage +1

    Well dude really straight up told us that he is subtly manipulating us to gain trust which is such a Tom Scott thing to do

  • Iain Lambert
    Iain Lambert Vor 12 Tage

    Thanks for answering the interesting question! Anyone who’s seen a clapperboard understands the technical reason for it existing. It’s why you leave that footage in that I wanted to know about.

  • Maxwell_ Edison
    Maxwell_ Edison Vor Tag +1

    lmao tom really went "It's about trust. But.. sometimes I lie and do it with a crew anyways. In that case, it's all about *AESTHETICS* !"
    he he heh

  • Anthony Hastie
    Anthony Hastie Vor 8 Tage

    You started talking about the trustworthiness of the creator and the things you do to make us trust you're actually on site and not using a green screen and immediately I started hearing the crickets and the truck reversing and I was 100% convinced you were going to turn off the greenscreen to prove how well those techniques worked.

  • DIYMicha2
    DIYMicha2 Vor 12 Tage

    I'm flicking my tongue really loud while opening my mouth to sync audio in my videos. The downside is, that I have to look into the cam to see my mouth in the cutting software. When other people are around,, that doesn't look so obvious as clapping the hands. Upside, it works even with the hands full. :)

  • Toyss
    Toyss Vor 12 Tage +360

    It’s crazy but I actually did notice the three frames off (I didn’t have a count but I knew something was a bit off) before you said. Also I learned about the clapping in video production class in high school, so I think it’s very cool to also hear it from a DEclipsr as not everyone has the opportunity for a video production class.

    • FEN 宏
      FEN 宏 Vor 8 Tage

      His shutter speed or shutter angle is also off. That annoys me

    • Tuna
      Tuna Vor 9 Tage

      @Ian Richard And you genuinely believe that 3 frames of audio delay made you have to pause the video and clear your head? Thats the amount it takes for sound to travel like 30 meters lmao

    • Ian Richard
      Ian Richard Vor 9 Tage +1

      ​@Isak Olsson Nope but I did have a split second of "Something looks off". CG I can recognize from a mile away, but green screen I'm usually wrong unless its really, REEEEALLY bad.

    • Isak Olsson
      Isak Olsson Vor 9 Tage

      Did you notice the green-screen?

    • Chris Sasha Devey
      Chris Sasha Devey Vor 11 Tage +7

      @Eric Laska Imagine being at someone's house where the audio is out-of-sync AND they're watching a 4:3 video stretched out to 16:9. The worst viewing experience ever.

  • Man plus Camera
    Man plus Camera Vor 12 Tage +1

    Used to work with video broadcast a lot, and am both proud and embarrassed to say I did notice the 3 frame delay at 1:36 almost instantly

  • Slim Starcraft
    Slim Starcraft Vor 12 Tage

    hows this guy been making videos for so long and still actually makes good interesting videos

  • StarCrashr (Fae-She)
    StarCrashr (Fae-She) Vor 12 Tage

    1:34 I recently started using an app to pipe my PC audio through my phone so I don't have to keep switching my bluetooth headsets between host devices, and noticed increased lag in this video and thought, "is the app lagging more than usual, or is Tom trolling again?" It turned out to be a little of both.

  • EB
    EB Vor 8 Tage +1

    I use sound and lipreading to compensate for my hearing peculiarities and it makes it much more obvious when the audio is out of sync.

  • Stuart Russo
    Stuart Russo Vor 12 Tage +579

    As a deaf person any messing around with the link between sound and video is often picked up straight away as deaf people use lip reading and body language heavily and the brain somehow merges it with what audio we are receiving and tries to put it all together very fast for us to get the gist of what is being said, when there is a lag it immediately makes the process much harder and more tiring, so I can confirm these things do matter and the slippage in the video was really noticeable :-)

    • Willem Beel
      Willem Beel Vor 11 Tage

      Yep, can confirm :)

    • Mihail Milev
      Mihail Milev Vor 11 Tage +1

      @Traugott Müller I will be sure to remember this an incorporate it into my knowledge and values that most people don't but should understand

    • Mihail Milev
      Mihail Milev Vor 11 Tage

      @Traugott Müller true, thanks for pointing that out

    • Traugott Müller
      Traugott Müller Vor 11 Tage +3

      @Luca Moriconi And adding to that, a person "needing a wheelchair" does not necessarily have to be completely unable to walk in order to need a wheelchair to get around in everyday life. Some people who rely on wheelchairs can walk around their house, or stand up and grab something from a shelf. But they still need the wheelchair because they cannot walk longer distances.
      (oh, and on that topic: Don't use the terms "confined to a wheelchair" or "wheelchair bound". A wheelchair gives a person freedom to move around on their own, it doesn't limit them, as those terms imply)

    • HmmmmmLemmeThinkNo
      HmmmmmLemmeThinkNo Vor 11 Tage +2

      Ohhhh, that's why it's like that for me! I'm not deaf, but I have audio processing disorder, so lipreading helps me understand what i'm hearing. So audio desync screws me up so bad 😂

  • Chris Hei
    Chris Hei Vor 11 Tage

    You're amazing Tom, I really thought I knew the reason, but this was philosophy

  • Inkairi Inc.
    Inkairi Inc. Vor 10 Tage

    I do this subconsciously. While editing it just feels right to keep the claps in ya know? Its awesome to know why.

  • Orion Riley
    Orion Riley Vor 11 Tage

    This just makes me want to see if there's any psychology literature about this phenomenon... Good way to spend the next 6 hours, thanks Tom

  • JwVprzr
    JwVprzr Vor 12 Tage

    i thought about it too for some time but the conclusion I came to was to catch the audience's attention using a loud sound at the start, then a short pause and then yelling as most youtubers do.

  • Deltarious
    Deltarious Vor 12 Tage +159

    Holy crap that extra sound delay you added in after cutting back was having me question myself and I thought I was going mad that I noticed it was now "off" but it didn't seem it before. Really great practical demonstration

    • Esko Luontola
      Esko Luontola Vor 12 Tage +1

      I too felt that something was off. I even double-checked whether the video was accidentally playing at 1.25x speed (which I had used recently on another video).

    • Suman S
      Suman S Vor 12 Tage +2

      I Noticed the Audio-Video Sync was a Little bit off In the Middle, but I thought it was because I was Tired, until Tom Revealed the Audio Delay.
      It’s Particularly Perceptible At 1:11, when He Says “Old Go-Pros”.

    • Nohri
      Nohri Vor 12 Tage +2

      I only noticed when he claimed to fix it and I thought I was going crazy and it was just the inherent effect of sound coming from headphones on the side of my head while the visual is in front so it feels disjointed.

    • Hattes
      Hattes Vor 12 Tage +4

      I noticed it too. I wasn't 100%, but I did have time to figure that it was in character for Tom to put that in intentionally :)

  • Daniel Segel
    Daniel Segel Vor 12 Tage +2

    Good thing digital audio maintains the proper speed in all cases. Imagine how hard this would be if the audio was recorded on tape and the tape recorder ran a little fast or slow. You could sync at the beginning but it would drift off over time.

    • 1 million subs without a video challenge
      1 million subs without a video challenge Vor 11 Tage +1

      "digital audio maintains the proper speed in all cases" - oh I like your naive viewpoint on this but it's clear that you never had to deal with long audio recordings and multiple sources.
      It's a really annoying problem when you have to fix that.
      Just for your information and an example; many smartphones don't record with a fixed framerate - it's a VARIABLE framerate. Video editing software doesn't like variable framerate and mostly just treats it as fixed framerate. The audio is constantly very little speed up or slowed down to still be in sync with the video. It's normally unnoticeable as long as you don't have another recording and you are trying to get them to be in sync.

    • widicamdotnet
      widicamdotnet Vor 11 Tage +1

      I guess you've never recorded a hour-long event with multiple (digital) cameras of different brands/models and tried to synchronize them later? Even if they all agree on the framerate and audio sampling rate, they might still be off by half a second after an hour.

  • Chris notaperson
    Chris notaperson Vor 12 Tage

    I know that you said "wherever I am" to say "wherever I happen to be for that specific video" but it kind of felt like you weren't sure where you were at that very moment. And it made me imagine there are videos where you just get in a van and the crew drives you to a random location for videos, particularly the ones where the location isn't what the video is about and you just get tossed out the van to record your bits with no idea where you are.