Stretchy electronics go wireless
Flexible electronics offer a lot of potential benefits to the design of wearable technology, but previous intrinsically stretchable semiconductors haven’t been able to meet the strict requirements for the high-frequency operation needed for many useful applications. Now a team of researc
From playlist Nature papers
Multimodal interfaces, voice/audio
From playlist Archive - Research in Mobile/Wearable Tech
Best LRAD System!... For Your Money
We test our DIY LRAD outside with a "volunteer" and then move inside to go over the details and build of the LRAD system. You'll see what speakers, enclosure, amplifier, electronics, etc. we use for this very affordable LRAD. Video/site mentioned at 4:10 https://www.soundlazer.com/how-doe
From playlist Sound
Speech and Audio Processing 6: Auditory Masking & Widebank Audio Coding - Professor E. Ambikairajah
Speech and Audio Processing Auditory Masking & Widebank Audio Coding - Lecture notes available from: http://eemedia.ee.unsw.edu.au/contents/elec9344/LectureNotes/
From playlist ELEC9344 Speech and Audio Processing by Prof. Ambikairajah
DEFCON 18: HD Voice: The Overdue Revolution 1/4
Speaker: Doug Mohney After kicking around on the back shelf for years, HD voice is finally gaining traction both in the broadband world and the cellular. And the French are leading the way! The audio standards for a POTS (Plain Old Telephone System) call have been frozen since about
From playlist DEFCON 18-2
OHM2013: Hacking the radiofrequency spectrum: GNURadio as a signal processing prototyping tool
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: jmfriedt GNURadio as a signal processing prototyping tool for becoming familiar with analog and digital communication methods. We
From playlist OHM 2013
DEFCON 18: HD Voice: The Overdue Revolution 2/4
Speaker: Doug Mohney After kicking around on the back shelf for years, HD voice is finally gaining traction both in the broadband world and the cellular. And the French are leading the way! The audio standards for a POTS (Plain Old Telephone System) call have been frozen since about
From playlist DEFCON 18-2
Unofficial video for Stereolab's "Whisper Pitch". Song found on their collection of singles titled 'fab four suture'
From playlist the absolute best of stereolab
EEVblog #956 - Countersurveillance Monitor Teardown
How does a Countersurveillance Monitor (a.k.a Bug Detector) works to sweep a room for bugs? Teardown of the Research Electronics CPM-700 Also a look at the NSA "LoudAuto" radar retro-reflector spy bug, and some cold war era Soviet embassy espionage. NSA Spy Devices Brochure: https://www.
From playlist Teardown Tuesday
Let’s Build a Low Voltage Vacuum Tube Audio Amplifier
In this episode, we step out of our comfort zone and see if we can build a functioning vacuum tube audio amplifier running at low and safe voltages. Spoiler alert, we do! Also, we’re now on Discord, Reddit and Twitter, so join us! Discord: https://discord.gg/p7UsfHD Reddit: https://www.
From playlist Audio Projects
GRCon19 - Managing Latency in Continuous GNU Radio Flowgraphs by Matt Ettus
Managing Latency in Continuous GNU Radio Flowgraphs by Matt Ettus
From playlist GRCon 2019
CDIS 4017 - Clinical Instrumentation Part 1 (done)
Chaya Guntupalli (Nanjundeswaran) Ph.D. CDIS 4017 - Speech and Hearing Science I ETSU Online Programs - http://www.etsu.edu/online
From playlist ETSU: CDIS 4017 - Speech and Hearing Science I | CosmoLearning Audiology
20 - 20,000 Hz Audio Sweep | Range of Human Hearing
20Hz to 20,000Hz is commonly considered to be the range of human hearing. We created this track to help car audio fanatics tune and test their stereo systems. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Sonic Electronix always strives to be the
From playlist Demos 16. Waves and Sound
Learn how to transmit audio over a laser beam. And incase you are wondering. Yes. This is true. The CIA has been using this technology for decades.
From playlist Cool Science Tricks
Using non-linear acoustics, I'm able to focus audible sound like a laser. I go over some basic principals of operation, how I designed the circuit, and how you can build your own. Circuit Diagram at 1:18 Wikipedia Article: https://en.wikipedia.org/wiki/Sound_from_ultrasound Music: Ice D
From playlist Hardware
Apollo Comms Part 3: Inside the S-Band Transponder
We take a closer look at the S-Band transponder from the Apollo command module, and marvel at the 5 transmitters and receivers it contains. The transponder was manufactured by Motorola, and is entirely solid-state. 0:00 Recap of previous episodes 1:56 Overall block diagram 5:49 Looking in
From playlist Space Hardware
OBS Studio - Noise reduction, compression, reverb, pitch shifting and more!
A Nerdy Rodent plays with audio filters in OBS Studio. Noise gates, compressors, expanders, noise supression and more... Links for nerds: 1. Reaper Plugin bundle: https://www.reaper.fm/reaplugs/ 2. MeldaProduction plugin bundle: https://www.meldaproduction.com/MFreeFXBundle 3. Acon Di
From playlist Nerdy Rodent Uploads!
GRCon19 - Exponent: Arbitrary Bandwidth Receiver Architecture by Dana Sorensen
Exponent: Arbitrary Bandwidth Receiver Architecture by Dana Sorensen, Jake Gunther, Colton Lindstrom This paper presents an architecture for receiving arbitrarily wide bandwidth signals using multiple narrowband receivers. Information contained in overlapping spectral regions provides the
From playlist GRCon 2019
Lecture 2 - Types of Wireless communication
Lecture Series on Wireless Communications by Dr.Ranjan Bose, Department of Electrical Engineering, IIT Delhi. For more details on NPTEL, visit http://nptel.iitm.ac.in
From playlist Wireless Communication
DEFCON 17: Hacking with GNURadio
Speaker: Videoman This presentation I will focus on the requirements for GnuRadio, cost, code, and radio technology basics. I will also present some of attacks that have been created using the GnuRadio, as well as my own research from a successful hack of a proprietary Multiple Address Sy
From playlist DEFCON 17