How Video Compression Works
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- Опубліковано 22 січ 2025
- Have you ever wondered how video streaming is possible? Let's think about how big a typical 1080p video is: 1920x1080 pixels, 24-bits each, 30 frames per second... That's almost 1.5 gigabits per second. How can you transmit that much data, over the air, in real time? The answer is video compression.
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Video Highlights:
1. Codecs
2. Intra-frame (spatial) coding
3. Inter-frame (temporal) coding
4. Block motion estimation
5. Motion compensation
6. Residual frames
It was such a nice surprise to see that my video was recommended by Marques Brownlee on my wedding day. Thank you Marques and everyone who came here from his channel! This has been a great wedding gift.
Congratulations on the wedding!
Happy 0th anniversary. This was a very informative video and I hope this exposure gives your channel a boost.
Congratulations on your wedding! Cant wait to learn all the machine learning stuff on your channel. Keep up the good work!
You welcome
. Congratulations 🎊
congrats bro
He is sitting in a room - different to the one i'm in now...
SeanfromSydney Oh lord.
😂😂😂
Who's to blame that you're in a different room than him. 😂
PTSD
lol
Us: Why are we here?
MKBHD : *Ok so I'm sitting in a Room*
This guy's gonna have the surprise of his life when he sees his video suddenly hit 100k views... Kudos on a nice video though!
Lol
Didn’t know you knew the future
Lol
I know right hahahaha, MKB got me here too
@@Nefarious_Fish 84,241 views
Aug 23, 2018
came from MKBHD to say Hi
I've heard you did a gread job
Gonna watch this after the MKBHD one!
did they do a great job?
No one: ....
Literally Nobody:
MKBHD: *ight imma start this man’s whole career!!!*
no really dude that was a great video and that's coming from someone that religiously watches techquicke videos.
all I can say is keep up the good work man, best wishes... btw *subbed*
not funny
This guy is an engineer and a researcher at Intel, has a PhD from UT Austin, and has written some awesome research papers on surface water mapping using satellite imagery and deep learning. UA-cam is more like his hobby.
Thank God, MKBHD referred you. You are a very good teacher, thank you for your service!
This video shoud have more likes, great job man.
And It Will have
Hold that thought
The day has come...
i swear i was going to reply to him but yall did it first
MKBHD gang but more importantly you killed it nice video
Simple, clear and on point. Good job, really!
Thanks!
Who else came here from MKBHD?
MKBnoD²
Team MKBHD
yeah we love learning
Yeah ikr
MKBHD sends his regards.
Not sure what he's saying, but I trust him since Marques sent me🤓
I was totally lost on this and came out a pro, awesome video!
Came from MKBHD...stayed for the amazing content. Keep it up! ✌️
Thanks, Leo, for compressing it all within 5 minutes. :)
Massive respect to the pioneers behind this technology. It is insane how humans are capable of thinking like and implementing it on a computer. Crazy!
Hello; I still cannot understand how video compression works,.................your videos are great to watch..
Bro you're about to get some legit viewsssss
As someone who is very interested in machine learning finding your channel was a gift. Glad MKBHD sent me here.
every video you upload is a gem, filled with wisdom and fun!
Mkbhd fans here.?
This guy did a great job being able to get a recommendation from mkbhd
Tbh Marques was right--this is a very clear and concise explanation of video compression. It even introduces technical features like I-frames
Your videos have remarkable quality. I especially love the ones on AI. Was looking for a good channel to learn about AI as well. I'm glad Marquess brought me here... You definitely earned my sub...
Thanks for the explanations. At 1:22 though, I believe it should be saying "temporal (inter-frame)", and not "temporal (intra-frame)".
In b4 MKBHD puts this video at 2 million views.
nah, still 28k itself :/
Congrats on the shoutout man!
Congratulations brother your channel is about to BOOST! Thanks to MKBHD for putting your link in his video. As this channel is really good and educational you will definately gain more subs!
I can't imagine how you explained this so easily.
You made it so easy and understandable that i can't believe... 😊 Thanks for making.
Please explain more concepts of AI like this.
Came from mkbhd. Subscribing for support. Good luck!
MKBHD sent me. Views about to skyrocket lol
I love your videos. You are my spirit animal in computer vision.
Thanks, glad to hear that!
Thanks!
Hi, I think I spotted an inconsistency.
At 01:06 and 01:21 both say “intra-fame”.
Later at 03:15 you speak of “intra-frame” and “inter-frame” compression.
Does that mean the slide at 01:21 should've said “inter-frame”?
All the best for 100k views buddy!
This is one of the best videos I've ever seen summarizing video coding. Very succinct and informative!!
This is an incredibly helpful video; well-put together, clean, and concise. Thank you for what you do!
MKBHD finally referred to a very good teacher. Very good decode man.
Gotta be tryin' for a Great encoder.
I'm ready for you in 10 years'.
Great video man! You deserve much much more views and like. Keep up your good work. Also congratulations for your wedding :)
MKBHD gang taking over
Congrats on the wedding! Great video!
It’s just sooo mind blowing how all those video compression formats works,it just blows my mind how the decoder reconstructs and approximates the original frames back,so what we are seeing on tv is not the original footage but an approximated version of it,heck our tv’s can even add extra new frames between wxisting frames to averagely more close approximates mother nature in terms of motion, so what if the footage was only recorded at 12 frames per second,then your 100hz tv can add 8 new frames between 2 existing frames to smooth up the motion,it’s just mind blowing what can be done with less,😁
This, will soon be your first 1M view video 😉
Awesome explainer. I knew some of how this worked in theory but had never seen such a straightforward explanation. Cheers!
anyway you can somehow implement this into obs studio for streaming or give tips on how to get good quality on it?
Watching your video, after the marques mentioned about block motion estimation, and on searching the same on yt, ur video came first
MKBHD bumped this up! Congratulations!!
Clear and on point, thank you and Congrats Leo
Excelent explanation!! subscribing...
P.S.
Nice glasses :D
Actually, 1920x1080i (interlaced) is 1.5Gb/s an 1920x1080p (progressive scan) is 3Gb/s. This is raw uncompressed video.
I'm debating burning 200GB of footage to a 100GB disc by compressing it all but I don't know if 50% is too low
you are way better than my university lecturer
Very well explained. Many thanks from cameroon.
great video dude! congrats on the plug from mkbhd!
We are here to take you to 1m views. Courtesy of Markass Brownie
No one :
Literally No one :
People came from MKBHD : who's here from MKBHD.
this video's explanation is excellent, thank you
crazy to think about, how a 1gbit connection wouldnt be enough for a 1080p stream.
Great explanation! Thanks
How do you prepare your videos to explain fluidly? Do you learn a script by heart? Great video as always
Thanks! I take notes throughout the week. Also, I cut out the pauses and filler sounds in post processing. It's actually noticeable at 4:12.
@@leoisikdogan you are a skilled educator, keep doing what you do :)
Thanks for the positive feedback!
Marques knew this would happen. He chose a video with low views then referenced the amount of view. Genius.
Thanks, i was looking for a good explanation of this stuff.
Excellent explanation! Thanks for uploading! :)
He's gonna be so happyyy
this is amazing! so much information:) great video
Marquees Says hi ;)
1:17 Temporal (inter*-frame) redundancy.
Here it is INTER and not as seen in the video, wrongly writing INTRA.
Am I correct?
E everything else seems ok.
Correct, I forgot to change the slide title.
Why are you underrated !!!
Hi, how to make image compression for live web camera ? Is there a resource for this ? github or videos ? can you help me ? please...
You really did a good job! Great Video.
How does the motion of blocks to motion vectors work?
Great video, really interesting and looking forward to looking more into this
Or any recommendation for starting??? thanks a lot man
guess who ? MKBHD linked this video ! Your channel is going to grow rapidly dude !!
3:50 what about AV1?
Great video. Informative and easy to understand. Thanks.
This dude "HAD" only 1,000 views yesterday, today 17,006......Lets get this dude 1 mil views!!!!
good job
Would temporal compression be a lossy one or lossless ?
Really useful stuff, thanks for sharing!
Hi, is it possible to place more emphasis on predicted frames? In the case of movement for example? So smearing is less of an issue?
I've been lately noticing a little bit of stuttering in movies on Netflix could the compression of the videos make them less smooth?
Mkbhd has shared this video, it’s pretty soon going to get over Million views 😂
You sound like a nice person, just saying
(good video too)
congrats on the wedding
Good one. Thanks, now i can answer the question my students asked :)
irrelevant but i really love ur voice
Best video oabout compression of video.
*MKBHD:* It's only got a couple of thousand views.
*Also MKBHD:* I'm gonna blow up this guy's whole career!
Aren't motion vectors inverse? like the next frame takes data from previous frame so there might be a case where 2 regions take data from same region? The way it's shown here looks like the regions are scrambled by motion and you end witht a lot of empty spaces (like 100x100 regions will result in 1:1 100x100 regions which I guess it's not the case in real scenario)? correct me if I'm wrong
Great explanation! I come from MKBHD test.
Very nice video! Thanks!
such a great video !
Can't believe I got here before the expected explosion in views.
Can you explain compression algorithm
Thanks, it helped me to understand how compression works :-)
Good stuff!
Question. how is it 1.5 gigabits per second if the video size isn't close to that? Sorry if this is a stupid question. in my age, technology did not exist.
Very nicely done video
Do you mean to put INTER frame at the 1:20 mark?
Correct, I forgot to update the slide title.
Great explanation
This video is so good!