asteroza + noise   66

Entanglement-enhanced optical gyroscope - IOPscience
New higher precision fiber optic gyro that can overcome shot-noise limit
entangled  photon  fiber  optic  gyroscope  sensor  physics  research  technology  aerospace  shot  noise  limit 
10 weeks ago by asteroza Sennheiser MB 660 MS (507093) - Dual-Sided, Dual-Connectivity, Wireless, Bluetooth, Adaptive ANC Over-Ear Headset | For Desk/Cell Phone & Softphone/PC Connection | Skype for Business Certified (Black): Electronics
Noise canceling over ear cup headphones that don't leak sound with boomless mike with simple mic mute, wireless, can connect via USB. Looks good for use at work, where you want to listen to music, do VoIP, mute during conference calls, and not be an ass to your coworkers (beyond your exisitng personality...)
wireless  USB  noise  cancelling  headphone  microphone  headset  VoIP 
january 2019 by asteroza
Jabra Noise Guide
It's a visual signal monitor for ambient noise levels, aka a librarian shushing people
ambient  noise  monitor  hardware  electronics  devices  library 
december 2018 by asteroza
周囲の“ノイズ”を徹底的に遮断! 一瞬で集中できる空間を作り出すウェアラブル端末「WEAR SPACE」 | GREEN FUNDING by T-SITE
Horse blinders for humans, made by a design studio within Panasonic. Might be part of their efforts at "work style reform", as decreed by Prime Minister Abe.
japan  Panasonic  eye  blind  sight  distraction  restriction  active  noise  cancellation  headphones  work  concentration  business  management  crowdfunding 
october 2018 by asteroza
BabbleLabs Clear Cloud: Speak your mind
voice cleanup service for audio from noisy environments,free due to beta status
audio  voice  noise  removal  cleanup  cloud  service 
october 2018 by asteroza
GreyNoise Intelligence
Feed for allegedly false positives (shodan and friends, spray and pray attacks) to cut down on SIEM overload
SIEM  filter  false  positive  threat  intelligence  noise  security 
september 2018 by asteroza
nuraphone - Hear every note. Feel every beat
Apparently Dan Kaminski likes them, aside from the wacky custom charger
noise  cancellation  headphone  audio  music  hardware  electronics  devices 
august 2018 by asteroza
Optical detection of radio waves through a nanomechanical transducer : Nature : Nature Research
Use a membrane as part of a resonant capacitor circuit to receive a specific frequency, detect activity by laser sensing membrane movement.
nanomechanical  transducer  capacitor  laser  RF  receiver  low  noise  optoelectromechanical  sensor  membrane 
september 2017 by asteroza
Engineers Discover How To Make Antennas For Wireless Communication 100x Smaller Than Their Current Size - Slashdot
Interesting comment about a low gain/low noise design that is nearly solid state. Simple integrated LED laser and photodiode could be the pickup.
antenna  design  RF  low  noise 
august 2017 by asteroza
Noise Search
Apparently good at adhoc queries?
embedded  database  JSON  freetext  text  search  rocksDB  query  engine  noise  rust  adhoc  Delicious 
may 2017 by asteroza
WireGuard: fast, modern, secure VPN tunnel
Newish VPN protocol, but at 10K LoC, probably easier to review for holes...
VPN  software  noise  protocol  security  encryption  research  streisand  Delicious 
july 2016 by asteroza
[1412.3773] Distinguishing cause from effect using observational data: methods and benchmarks
The basic intuition behind the method demonstrated by Prof. Joris Mooij of the University of Amsterdam and his co-authors is surprisingly simple: if one event influences another, then the random noise in the causing event will be reflected in the affected event.
statistics  correlation  causation  additive  noise  observation  research  mathmatics  Delicious  mathematics 
january 2015 by asteroza - sound-optimised premium components "Designed in Austria"!
Low acoustic signature PC fans, previous all passive, but now demoing active noise cancellation active cooling fan tech too
Noctua  RotoSub  passive  active  noise  cancellation  low  acoustic  signature  cooling  fan  blower  hardware  electronics  devices  PC  Delicious 
june 2012 by asteroza
ULTRAMET - Advanced Materials Solutions
Apparently involved with a new high temp noise suppression foam made from hafnium carbide/silicon carbide that ca be stuffed directly into a combustor to provide combustion noise suppression. The foam has high permeability, allowing gases and combustion to move freely, and the structure helps to create uniform combustion. Though I can't imagine this being useful for any high speed gas /liquid fuel combustors/engines, but the press releases talked about jet engines so maybe it actually can?
metal  ceramic  foam  high  temperature  noise  suppression  materials  science  research  technology  heat  exchanger  rhenium  solar  thermal  rocket  propulsion  space  thruster  Delicious 
may 2012 by asteroza
RotoSub AB
I think the Thigpen rotary subwoofer is doing basically the same technique of active blade pitch adjustment but this is working at higher frequencies to cancel the sound of the fan itself. Based on the pictures, it looks like instead of modulating the whole blade around a mounted axis from the hub, it may be doing some kind of blade edge/tip bending/turning using a small line of electromagnets along the inner rim and some ferromagnetic material embedded in the blade tips, which neatly avoids the expense of hub pitch control at the cost of fatigue life of the blade tips.
RotoSub  active  noise  cancellation  fan  blade  pitch  adjustment  rotary  hardware  electronics  devices  cooling  Delicious 
august 2011 by asteroza
Humdinger :: Windbelt Large
Using the buzzing effect of a taut belt in wind, these guys use a piezoelectric fabric to recover the vibration energy of the belt as it resonates in the passing wind turbulence. The only big issue I can see is the noise generated, as by design you lose a fair amount of wind generated power to acoustic loses
Humdinger  Windbelt  piezoelectric  fabric  belt  vibration  resonance  wind  noise  oscillation  turbulence  power  generator  harvesting  scavenging  green  energy  Delicious 
july 2011 by asteroza
iPhone Awareness! app selectively filters outside noises into your headphones, saves hipster lives -- Engadget
Resurrection of the old "hotline" feature of early model high end Sony Walkman tape players, which featured mics for both recording as well as passing external sounds through to the headphones so you are not in complete isolation while listening to music. The nice ones had dual mics as well, which meant if the Walkman was oriented correctly you could discern the location of the external audio source.
iPhone  app  software  external  ambient  sound  audio  input  passthrough  pass  through  filter  control  music  situational  awareness  hotline  noise  headphones  Delicious 
september 2010 by asteroza
Endless Rain Record Plays Sounds Of Drops, Never Stops
Interesting bit about the groove cut technique for the vinyl record for an endless loop track
endless  rain  audio  music  relaxation  white  noise  record  LP  vinyl  japan  loop  track  Delicious 
april 2010 by asteroza

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