23C3: DRM comes to European digital TV
Speaker: Seth Schoen How the DVB project is locking down TV standards and importing U.S. mistakes. European digital television standards (both free-to-air broadcast and pay TV) developed by the DVB project are exemplary for including no digital rights management. But now DVB is rushing
From playlist 23C3: Who can you trust
The Two-Dimensional Discrete Fourier Transform
The two-dimensional discrete Fourier transform (DFT) is the natural extension of the one-dimensional DFT and describes two-dimensional signals like images as a weighted sum of two dimensional sinusoids. Two-dimensional sinusoids have a horizontal frequency component and a vertical frequen
From playlist Fourier
Short for "digital single-lens reflex," DSLR Cameras are large cameras with interchangeable lenses that can take very high-quality photos. We hope you enjoy! To learn more, check out our written lesson here: https://edu.gcfglobal.org/en/digitalphotography/
From playlist Digital Photography
Multimeter Review / DMM Review / buyers guide / tutorial
A list of my multimeters can be purchased here: http://astore.amazon.com/m0711-20?_encoding=UTF8&node=5 In this video I do a review of several digital multimeters. I compare features and functionality. I explain safety features, number of digits, display count, accuracy and resolution. Th
From playlist Multimeter reviews, buyers guide and comparisons.
23C3: DVB-T - From Pixeldata to COFDM Transmission
Speaker: Thomas Kleffel, Christian Daniel How to build a complete FPGA-based DVB-T transmitter As DVB-T is the key technology for terrestrial broadcasting for the next decades, this lecture tries to explain how it works: It covers the way of raw pixel data over MPEG2 video and audio enc
From playlist 23C3: Who can you trust
Review: Brymen TBM251 / BM251 Multimeter with PC Data Logging
A review of the Brymen TBM251 6000 count DMM with PC data logging. This is the same as the Greenlee DM-200A: http://astore.amazon.com/m0711-20/detail/B003JZB4EE Franky has the BM257: http://mjlorton.com/forum/index.php?topic=166.0 Tester.co.uk have the Metrel MD9040: http://www.tester.co.
From playlist Multimeter reviews, buyers guide and comparisons.
The Fast Fourier Transform (FFT)
Here I introduce the Fast Fourier Transform (FFT), which is how we compute the Fourier Transform on a computer. The FFT is one of the most important algorithms of all time. Book Website: http://databookuw.com Book PDF: http://databookuw.com/databook.pdf These lectures follow Chapter
From playlist Fourier
What is BIM? (Building Information Modelling) - NBS National BIM Library
This video helps with the question: 'What is BIM'? http://www.nationalBIMlibrary.com is the construction industry's free-to-use resource of NBS standard BIM content. Objects are available in IFC, ArchiCAD, Bentley, Revit and Vectoworks format. NBS National BIM Library content links with
From playlist The World's Best BIM Videos | Curated by The B1M
In this confused rant^W^W talk, I will explain why the little green men are right, and also know how to party. I will show you some new toys. Shiny ones. Ones that go 'beep' and have flashy lights. You will like it, and I will be able to return to my home planet, mission accomplished, to t
From playlist DEFCON 16
(IC 1.3) Applications of Error-correcting codes
Applications of Information theory and Coding. Compression algorithms: Huffman codes, Arithmetic coding, Lempel-Ziv Error-correction algorithms: Hamming codes, Reed-Solomon codes, Turbo codes, Gallager (LDPC) codes Attribution for images: Hummingbird http://en.wikipedia.org/wiki/File
From playlist Information theory and Coding
22C3: Anonymous Data Broadcasting by Misuse of Satellite ISPs
Speaker: Sven Löschner An open-source project to develop a tool for broadband satellite broadcasts The lecture focuses on satellite ISP technology and how to misuse it for anonymously broadcasting to an unlimited number of anonymous users while only one user pays for a standard dial-up c
From playlist 22C3: Private Investigations
Dynamic Random Access Memory (DRAM). Part 5: DIMM Organisation
This is the fifth in a series of computer science videos is about the fundamental principles of Dynamic Random Access Memory, DRAM, and the essential concepts of DRAM operation. This video explains how a memory module can be built using large rectangular arrays of memory cells which maximi
From playlist Random Access Memory
26C3: Lightning Talks - Day 1 6/12
Clip 6/12 Speakers: Oliver Pritzkow, Sven Guckes 4 minutes of fame 4 minutes for every speaker. Learn about the good, the bad, and the ugly - in software, hardware, projects, and more. For more information go to: http://events.ccc.de/congress/2009/Fahrplan/events/3563.en.html
From playlist 26C3: Here be dragons day 1
OHM2013: Real time network forensics using pom-ng
For more information visit: http://bit.ly/OHM13_web To download the video visit: http://bit.ly/OHM13_down Playlist OHM 2013: http://bit.ly/OHM13_pl Speaker: Guy Martin Networks are part of our daily life. A lot of information transit through them but few really know what is actually tran
From playlist OHM 2013
Dynamic Random Access Memory (DRAM). Part 4: Multiplexers and Demultiplexers
This is the fourth in a series of computer science videos is about the fundamental principles of Dynamic Random Access Memory, DRAM, and the essential concepts of DRAM operation. This video covers multiplexers and demultiplexers. It describes what these electronic circuits do and some of
From playlist Random Access Memory
Speakers: Thomas B. Rücker - dm8tbr, Miguel Elias Satellite Tracking, harvesting and security An spiced up introduction into the world of satellite telecommunications. We'll begin at reception setup. Explain theory behind the technical part of satellite telecommunications and finally pre
From playlist 22C3: Private Investigations
DEFCON 16: Sniffing Cable Modems
Speaker: Guy Martin, Security Researcher Cable modems are widely used these days for internet connections or other applications. This talk gives a detailed overview of this mean of communication with a focus on its security. DOCSIS (Data Over Cable Service Interface Specification) is cur
From playlist DEFCON 16
Motor Control, Part 5: Space Vector Modulation
Space vector modulation (SVM), also known as space vector pulse width modulation (SVPWM), is a common technique in field-oriented control for induction and permanent magnet synchronous motors (PMSM). SVM generates the pulse width modulated signals to control the switches of a three-phase i
From playlist Motor Control
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From playlist Fred Mills - The B1M
30C3: Hillbilly Tracking of Low Earth Orbit (EN)
For more information and to download the video visit: http://bit.ly/30C3_info Playlist 30C3: http://bit.ly/30c3_pl Speaker: Travis Goodspeed Satellites in Low Earth Orbit have tons of nifty signals, but they move quickly though the sky and are difficult to track with fine accuracy. This
From playlist 30C3