Collaborate Disseminate
A laser microphone is a “surveillance device that uses a laser beam to detect sound vibrations in a distant object”. – Wikipedia.
It’s also known as a Laser Based Listening System (LBLS).
Firstly, how practical or easy i… Continue reading How practical is a laser microphone and how to protect against it?
A laser microphone is a “surveillance device that uses a laser beam to detect sound vibrations in a distant object”. – Wikipedia.
It’s also known as a Laser Based Listening System (LBLS).
Firstly, how practical or easy is it to use a … Continue reading How practical is a laser microphone and how to protect against it?
A laser microphone is a “surveillance device that uses a laser beam to detect sound vibrations in a distant object”. – Wikipedia.
It’s also known as a Laser Based Listening System (LBLS).
Firstly, how practical is it to … Continue reading How practical is a laser microphone and how to protect against it?
Those of us who prefer to drive older cars often have to make sacrifices in the entertainment system department to realize the benefits of not having a car payment. The latest cars have all the bells and whistles, while the cars of us tightwads predate the iPod revolution and many lack even an auxiliary input jack. Tightwads who are also hackers often remedy this with conversion projects, like this very slick Bluetooth conversion on a Jeep radio.
There are plenty of ways to go about piping your favorite tunes from a phone to an old car stereo, but few are …read more
Continue reading Reverse Engineering Enables Slick Bluetooth Solution for Old Car Stereo
Over the last few decades, audio synthesizers have been less and less real hardware and more and more emulations in software. Now that we have tiny powerful computers that merely sip down the watts, what’s the obvious conclusion? A six-voice polyphonic synthesizer built around the Raspberry Pi.
The exquisitely named ‘S³-6R’ synthesizer is a six-voice phase modulation synthesizer that outputs very high resolution (24-bit and 96 kHz) audio. It’s the product of R-MONO Lab, who have displayed interesting musical devices such as a recorder-based pipe organ in the past. This build is a bit more complex, offering up some amazing …read more
Continue reading A Six-Voice Synth Built On The Raspberry Pi
A pleasing development for those with an interest in audio equipment from decades past has been the recent resurgence in popularity of vinyl records. Whether you cleave to the view that they possess better sound quality or you simply like the experience of a 12″ disk with full-size cover art and sleeve notes, you can now indulge yourself with good old-fashioned LPs being back on the shelves.
[Michael Duerinckx] is a fan of older trance records, and has an Ion Pure LP turntable which is fortunately for him not such an exclusive piece of audio equipment that it can’t be …read more
I have been trying to implent basic audio steganography methods in MATLAB lately. I have read many articles such as [1], 2, 3 as I listed below. I was able to write algorithms of LSB Coding, Parity Coding and Phase Coding in … Continue reading Audio Steganography: Echo Hiding and Spread Spectrum Methods
Malware can target camera and microphone and make them secretly record what’s going on around the laptop. However, defeating camera spyware can easily be done with a piece of tape, something the FBI chief recommends people to… Continue reading Defeating audio spyware with low-tech
Malware can target camera and microphone and make them secretly record what’s going on around the laptop. However, defeating camera spyware can easily be done with a piece of tape, something the FBI chief recommends people to… Continue reading Defeating audio spyware with low-tech
Assuming a hypothetical scenario:
The hospital radiology dictation system is down. The transcriptionist works off-site. The radiologist has the ability to record an audio file on his phone or laptop computer and email this t… Continue reading Is sending an audio file with a portion of an accession number a violation of HIPAA
