Audio & Video Engineering Videos Hacker News Recommends

explainer#33

D/A and A/D | Digital Show and Tell (Monty Montgomery @ xiph.org)

FL Studio

“might be the best explanatory video I have ever witnessed”

15 HN recommenders · 2017–2026

tutorial#370

The world's worst video card?

Ben Eater

“Anyone with a basic understanding of logic circuits has enough background to understand it. Worth a watch.”

8 HN recommenders · 2019–2024

lecture#614

Floyd Toole - Sound reproduction – art and science/opinions and facts

CIRMMT

“In blind testing, the average listener reliably prefers the more accurate speaker.”

4 HN recommenders · 2019–2026

documentary#808

MiniDisc - An Appreciation

Techmoan

“Wonderful video about the format”

5 HN recommenders · 2019–2023

explainer#951

Cassettes - better than you don't remember

Techmoan

“They are more than capable of sounding great with the right tools.”

5 HN recommenders · 2016–2025

explainer#1003

Why is TV 29.97 frames per second?

Stand-up Maths

“definitely go and watch Matt Parker's legendary explanation of why NTSC runs at 29.97fps”

4 HN recommenders · 2016–2025

tutorial#1068

E-paper hacking: fastest possible refresh rate

Applied Science

“Here's a fascinating video on how these displays work, and how you can modify the firmware of the driver to get faster refresh rates”

4 HN recommenders · 2018–2021

explainer#1160

Atari's Quadrascan Explained

Retro Game Mechanics Explained

“There’s an excellent video by Retro Game Mechanics Explained on how they work”

3 HN recommenders · 2021–2026

explainer#1249

CD / Color

Captain Disillusion

“I went looking for an understanding of how color works in video systems, and ran across this gem from Captain Disillusion”

3 HN recommenders · 2020–2021

demo#1261

Virtual Barber Shop (Audio...use headphones, close ur eyes)

LovelyVirus

“try this 3d demo. And don't forget to close your eyes.”

4 HN recommenders · 2013–2024

explainer#1307

Segmented Displays

Posy

“here is a meditative video on alternative segmented displays.”

3 HN recommenders · 2023–2026

music#1339

Star Trek TNG Ambient Engine Noise (Idling for 24 hrs)

crysknife007

“I just listen to the Star Trek TNG Ambient Engine Noise[1] if I'm coding or trying to focus.”

4 HN recommenders · 2012–2018

demo#1400

Vintage Electronics - The Tefifon

Techmoan

“My gateway video was the one on the Tefifon”

3 HN recommenders · 2016–2018

demo#1482

Riding the Booster with enhanced sound

Michael Interbartolo

“I immediately had to re-watch this pretty awesome video after reading the article”

3 HN recommenders · 2014

explainer#1507

Gaslighting Your Fans w/ Dolby ATMOS™

Benn Jordan

“I found this video by Benn Jordan very enlightening about the whole Atmos nonsense”

4 HN recommenders · 2023–2024

tutorial#1557

World’s Best Speakers!

Tech Ingredients

“I built my own speakers for under $200 and I honestly think they are some of the best I've ever heard for a personal setup.”

3 HN recommenders · 2020–2025

explainer#1701

what did you do

Noodle

“This is an excellent deep dive on the issues I spoke of”

3 HN recommenders · 2025–2026

talk#1721

Google I/O 2013 - High Performance Audio

Google for Developers

“is a must-watch”

4 HN recommenders · 2013–2018

explainer#1759

The Superheterodyne Radio: No really, that's its name

Technology Connections

“This video is a great explainer (and I also highly recommend every other video on the channel)”

3 HN recommenders · 2019–2024

explainer#1817

Why Snow and Confetti Ruin YouTube Video Quality

Tom Scott

“Tom Scott has a good video where turns up and down the quality live so you can see it in a single video”

3 HN recommenders · 2018–2024

tutorial#1825

How To Draw Mushrooms On An Oscilloscope With Sound

Jellybean Fenderson

“This was amazing to me: How To Draw Mushrooms On An Oscilloscope With Sound”

3 HN recommenders · 2017–2022

demo#1871

E-Ink on Android, and other new things!

Technology Connections

“Technology Connections on youtube tried to use an eink display and thoroughly described his experiences.”

3 HN recommenders · 2020

demo#1881

I could hardly believe my eyes! - Looking Glass Holographic Monitor

Linus Tech Tips

“Linus Tech Tips covered them before that gives a pretty good overview”

3 HN recommenders · 2020–2024

explainer#1909

The Loudness War

Matt Mayfield Music

“this video which gave a very succinct answer to my question”

3 HN recommenders · 2009–2025

documentary#1980

WLW's 500,000 Watt Transmitter

K7AGE

“You get to see the high power equipment in detail accompanied by lots of history about the facility.”

4 HN recommenders · 2016–2023

tutorial#2139

The Best Easy Way to Capture Analog Video (it's a little weird)

Technology Connections

“does some good coverage of capturing/converting analogue video - hardware choices make huge difference.”

3 HN recommenders · 2019–2022

demo#2303

This AI actually WORKS!!! - NVIDIA RTX Voice

ShortCircuit

“It's really pretty impressive, here's a demo”

2 HN recommenders · 2021–2024

demo#2320

Tested: Where Does The Tone Come From In A Guitar Amplifier?

Jim Lill

“check out this guy who ran a much more systematic set of experiments”

3 HN recommenders · 2024–2026

explainer#2576

How Analog Color TV Works: The Beginnings

Technology Connections

“This one on "how analog tv works" I thought was especially good.”

2 HN recommenders · 2019–2026

explainer#2598

I Saved a PNG Image To A Bird

Benn Jordan

“you might enjoy Benn Jordan's video of "saving" a PNG to a bird”

2 HN recommenders · 2025–2026

demo#2708

This is the WORST Monitor Ever...ON PURPOSE! - Dasung PaperlikeU E-Ink Monitor

Linus Tech Tips

“I do think the videos do a a good job of showing how the monitors feel.”

2 HN recommenders · 2023–2024

explainer#2762

How a TV Works in Slow Motion - The Slow Mo Guys

The Slow Mo Guys

“This YouTube video by "The Slow Mo Guys" shows this in action”

2 HN recommenders · 2022–2026

demo#2813

Death Magnetic Retail vs Guitar Hero 3

Metalfan7577

“A comparison between these two versions was the eye opener for me.”

1 HN recommenders · 2018–2022

explainer#2933

Why Sony's Beta Videotape System Failed--and failed hard (Part 1)

Technology Connections

“Here's a very good video going into details”

2 HN recommenders · 2022–2026

music#3186

Pink Noise for Ten Hours of Ambient Sound Blocker Masker - Burn In - Relaxation

Dalesnale - Noise Ambient

“I've experimented with different kinds of noise, but this type seems to work the best”

2 HN recommenders · 2013–2022

explainer#3202

Moon Landings Faked? Filmmaker Says Not!

VideoFromSpace

“This video goes through why the video technology at the time simply wasn't even good enough to enable faking the moon landing.”

2 HN recommenders · 2017–2020

tutorial#3466

World's worst video card? The exciting conclusion

Ben Eater

“Anyone with a basic understanding of logic circuits has enough background to understand it. Worth a watch.”

2 HN recommenders · 2019–2020

explainer#3488

Hold music used to sound better. Here's why.

Tom Scott

“Tom Scott did a video on it.[0] It basically boils down to telephone switches starting to compress the audio.”

2 HN recommenders · 2018–2023

tutorial#3533

Fantastic DIY Speakers for less than $30!

Tech Ingredients

“where he goes into all sorts of experiments he ran on the exciters to find the right design.”

2 HN recommenders · 2018–2023

tutorial#3539

Samplerates: The Higher the Better, Right?

FabFilter

“Dan Worrall made a fantastic video which touches on Nyquist.”

1 HN recommenders · 2021–2023

documentary#3622

The CED: RCA's Very Late, Very Weird Video Gamble (Pt. 1)

Technology Connections

“is absolutely fascinating. The depth of research rivals any educational program on TV.”

1 HN recommenders · 2019–2025

other#3698

Apple Pro Display XDR Review (vs Sony Reference Monitor)

HDTVTest

“I wanted to share this review which I thought was incredibly well crafted and refreshing to watch.”

1 HN recommenders · 2020–2022

demo#3809

Modos Paper Monitor Typing Demo

Modos

“a fully open hardware controller that can run at 60FPS[1] with 1bit BW”

1 HN recommenders · 2022–2024

explainer#3812

The 1988 VIDEO Floppy Disk Camera: Canon Xap Shot RC-250

LGR

“A fun video to learn more about the tech”

1 HN recommenders · 2018–2025

explainer#3929

The Electrowetting Display

IEEE Spectrum

“Ever since seeing development prototypes in videos I've been smitten.”

1 HN recommenders · 2013–2017

demo#3963

Bookeen breakthrough real time web page scrolling on eInk panel

Bookeen

“they made an impressive demo of the technology[1], showing a really fast display.”

1 HN recommenders · 2011–2022

explainer#3989

These Are Not Pixels: Revisited

Technology Connections

“Definitely worth the watch.”

2 HN recommenders · 2018–2023

demo#3993

Visualizing video at the speed of light — one trillion frames per second

Massachusetts Institute of Technology (MIT)

“I think you are gonna love this”

1 HN recommenders · 2011–2025