asteroza + sound   234

Storing data in music | ETH Zurich
Embedding small data in music, preferably with lots of dominant notes in 9.1-10KHz range, so pop music. Might be useful for data smuggling in the open, if you are within 24m and can stand 400 baud...
data  smuggling  low  tone  audio  modem  communication  transmission  embed  music  sound  dominant  smartphone  OFDM  differential  acoustic  research  technology  security  hacking  pentesting 
july 2019 by asteroza
Grey seals copy human speech and music | University of St Andrews news
Getting paid to teach seals the Star Wars theme seems pretty good
humor  seal  music  singing  sound  vocalization  audio 
june 2019 by asteroza
Phys. Rev. Fluids 4, 043401 (2019) - Generation of high-intensity ultrasound through shock propagation in liquid jets
270 dB sound made by blasting a tiny water jet with an x-ray laser. Any louder, and it would self-boil, stopping the sound propagation
x-ray  laser  ultrasonic  sound  physics  research  technology 
june 2019 by asteroza
InterRegs: Regulation No. 138-01 | ECE - United Nations
European rules for electric vehicles emitting some kind of noise to reveal their presence. There are some rules regarding certain sound requirements including being suitable for increasing/decreasing based on vehicle speed. Guess you can't just stick any old jingle in an EV for the whirring sound...
EU  europe  EV  sound  automtive  rules  regulation 
june 2019 by asteroza
Brain wave stimulation may improve Alzheimer’s symptoms | MIT News
40Hz light and sound pulses can fight Alzheimer's.

So now your doctor says go to a drum&bass show.

Untz Untz Untz
40Hz  light  sound  pulse  flicker  medicine  health  gamma  oscillation  alzheimers  treatment  research  external  stimulation 
march 2019 by asteroza
kscope/HDD-microphones.pdf at master · ortegaalfredo/kscope
Required custom HDD firmware, but they got to 30KHz sampling rate for audio recovery (so close to CD quality)
HDD  audio  sound  recovery  microphone  data  exfiltration  research 
march 2019 by asteroza
The Sound of Pixels
Recreating sound from images/video alone, sorta like lip reading. But it actually seems to pull off making music again (I suppose hirez video might be necessary)
deep  machine  learning  computer  vision  audio  sound  emulation  simulation  replication  music 
november 2018 by asteroza
Wearable MRI
Using sound somehow to redirect infrared light to allow internal imaging like an MRI. Uses some sort of holographic imaging technique.
infrared  IR  optical  scanning  MRI  medicine  health  portable  hardware  electronics  devices  holographic  imaing  sound  focus  optics 
august 2018 by asteroza
duncanthrax/scream: Virtual network sound card for Microsoft Windows
virtual sound driver that converts audio to multicasted PCM audio over your local network
windows  virtual  sound  card  driver  PCM  audio  multicast  streaming  network  opensource 
august 2018 by asteroza
CTS - conserve the sound
Sound effect archive of classic hardware/gadgets
retro  history  sound  audio  archive  mechanical  hardware  analog 
april 2018 by asteroza
Data over sound: Chirp wireless networking technology
Acoustic chirp data transfer software, apparently works with Amazon Alexa
acoustic  chirp  audio  data  transfer  software  modem  IoT  sound  communication  airgap  jump  ultrasonic  amazon  alexa 
february 2018 by asteroza
The Ultimate Headphones Test
This page helps you evaluate headphones (or earphones) and determine which one offers the best performance when comparing different pairs.
headphone  sample  audio  check  test  file  sound  benchmark  testing 
september 2017 by asteroza
Deepgram
So a better speech-to-text transcription engine backed by a text search engine?
audio  sound  acoustic  search  engine  service  neural  network  transcription  speech-to-text  Delicious 
september 2016 by asteroza
Composite 3D-printed metastructures for low-frequency and broadband vibration ab...
Making rocket payload launch shrouds out of engineered foam metastructures to integrate sound absorption.
3D  printing  fabbing  engineered  foam  metastructure  structure  sound  absorber  launch  payload  shroud  cover  rocket  space  materials  science  research  technology  Delicious 
august 2016 by asteroza
Subwavelength total acoustic absorption with degenerate resonators
Two stage sound absorber. Uses a primary absorber/resonator that leaks sound at specific frequency, which is then absorbed by a specifically tuned secondary absorber/resonator.
acoustic  sound  canceller  cancellation  absorber  dual  resonator  silencer  physics  research  technology  materials  science  Delicious 
july 2016 by asteroza
Radon - Share using Ultrasound - Google Play の Android アプリ
Uses ultrasound modem and Google Nearby API to transfer small amounts of data for sharing
android  app  software  ultrasonic  data  transfer  sharing  acoustic  modem  sound  audio  Delicious 
may 2016 by asteroza
Silverpush - Unifying people, devices and data
So these guys drop a cookie on a PC browser, to get it to emit ultrasonic tones via speakers (similar tones during ads on TV). If their SDK is in your smartphone, a mic accessible app now knows to assoicate that PC/TV with that smartphone. SDK installed in 18 million smartphones...
privacy  anonymity  attack  ultrasonic  audio  sound  beacon  token  advertising  tracking  security  hacking  OPSEC  Delicious 
november 2015 by asteroza
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