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Best Information theory & signal processing videos, as recommended on Hacker News

35 videos about information theory & signal processing that Hacker News commenters keep recommending, mentioned between 2009 and 2026. Mostly explainer, talk, demo. Channels that come up most: 3Blue1Brown, Computerphile, Veritasium, Tom Scott. Sorted by how consistently HN recommended them over the years.

The most recommended is But what is the Fourier Transform? A visual introduction.: HN's default recommendation for understanding the Fourier transform intuitively; many say it was the explanation that made it click.

• explainerBut what is the Fourier Transform? A visual introduction.3Blue1Brown · 16 HN recommenders · 2018–2025
• explainerD/A and A/D | Digital Show and Tell (Monty Montgomery @ xiph.org)FL Studio · 15 HN recommenders · 2017–2026
• explainerThe Fast Fourier Transform (FFT): Most Ingenious Algorithm Ever?Reducible · 7 HN recommenders · 2021–2026
• explainer(1/4) Intro/History: Introducing a 100-year-old mechanical computerengineerguy · 6 HN recommenders · 2015–2023
• talkDavid Kriesel: Traue keinem Scan, den du nicht selbst gefälscht hastmedia.ccc.de · 4 HN recommenders · 2019–2025
• explainerThe more general uncertainty principle, regarding Fourier transforms3Blue1Brown · 7 HN recommenders · 2019–2025
• explainerJPEG DCT, Discrete Cosine Transform (JPEG Pt2)- ComputerphileComputerphile · 6 HN recommenders · 2015–2026
• explainerFourier Optics used for Optical Pattern RecognitionHuygens Optics · 5 HN recommenders · 2021–2025
• explainerCharacters, Symbols and the Unicode Miracle - ComputerphileComputerphile · 4 HN recommenders · 2014–2025
• explainerBut what is a Fourier series? From heat flow to drawing with circles | DE43Blue1Brown · 4 HN recommenders · 2020–2025
• talkDasher: information-efficient text entryGoogle TechTalks · 2 HN recommenders · 2016–2025
• explainerBut what are Hamming codes? The origin of error correction3Blue1Brown · 4 HN recommenders · 2020–2023
• explainerThe Most Underrated AlgorithmVeritasium · 5 HN recommenders · 2022–2024
• explainerThe Superheterodyne Radio: No really, that's its nameTechnology Connections · 3 HN recommenders · 2019–2024
• explainerWhy Snow and Confetti Ruin YouTube Video QualityTom Scott · 3 HN recommenders · 2018–2024
• explainerThe Loudness WarMatt Mayfield Music · 3 HN recommenders · 2009–2025
• lectureLecture 1: Introduction to Information TheoryJakob Foerster · 3 HN recommenders · 2018–2024
• demoPtolemy and Homer (Simpson)Santiago Ginnobili · 3 HN recommenders · 2013–2022
• talkCppCon 2015: Timur Doumler “C++ in the Audio Industry”CppCon · 3 HN recommenders · 2016–2026
• musicJustin Bieber 800% Slowerturinpt2 · 2 HN recommenders · 2012–2024
• course1.1 - Course outlineLaintalAy · 2 HN recommenders · 2019–2023
• demoOnslaught - Bad Apple 64 - C64 DemoRetroDemoScene · 2 HN recommenders · 2018–2026
• explainerFloating Point Numbers - ComputerphileComputerphile · 2 HN recommenders · 2015–2023
• talkDavid Kriesel: Lies, damned lies and scansFree and Open Source Software Conference (FrOSCon) e.V. · 2 HN recommenders · 2020–2026
• explainerSolving Wordle using information theory3Blue1Brown · 2 HN recommenders · 2022–2024
• explainerHold music used to sound better. Here's why.Tom Scott · 2 HN recommenders · 2018–2023
• tutorialSamplerates: The Higher the Better, Right?FabFilter · 1 HN recommender · 2021–2023
• talkSuccinct Data StructuresEdward Kmett · 1 HN recommender · 2017–2025
• interviewMarcus Hutter: Universal Artificial Intelligence, AIXI, and AGI | Lex Fridman Podcast #75Lex Fridman · 1 HN recommender · 2020–2025
• demoThe Visual Microphone: Passive Recovery of Sound from VideoAbe Davis's Research · 1 HN recommender · 2015–2026
• demoProgressive decoding: JPEG vs JPEG XL vs AVIFJon Sneyers · 1 HN recommender · 2021–2026
• explainerI published music on Tidal to test MQA - MQA ReviewGoldenSound · 1 HN recommender · 2021–2023
• explainerEpicycles, complex Fourier series and Homer Simpson's orbitMathologer · 1 HN recommender · 2022–2023
• demoDial Up Modem Handshake Sound - SpectrogramBitcore · 1 HN recommender · 2014–2024
• explainerI built a QR code with my bare hands to see how it worksVeritasium · 1 HN recommender · 2024–2025