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Listening devices of the East German security services. A covert listening device, more commonly known as a bug or a wire, is usually a combination of a miniature radio transmitter with a microphone. The use of bugs, called bugging, or wiretapping is a common technique in surveillance, espionage and police investigations.
A wireless microphone, or cordless microphone, is a microphone without a physical cable connecting it directly to the sound recording or amplifying equipment with which it is associated. Also known as a radio microphone , it has a small, battery-powered radio transmitter in the microphone body, which transmits the audio signal from the ...
This codec is designed for high-quality voice and music applications such as wireless speakers, headphones, headsets, and microphones. LC3plus supports scalable 16-bit narrowband, wideband, super wideband, fullband, and 24-bit high-resolution fullband and ultra-band coding, with sample rates of 8, 16, 24, 32, 48 and 96 kHz and audio bandwidth ...
For example, visitors to a home or office, or people in a publicly accessible area outside an open window, partial wall, or security fence, may be able to be heard by a speaker. One team demonstrated the ability to stimulate the microphones of smart speakers and smartphones through a closed window, from another building across the street, using ...
Applications for short-range wireless devices include power meters and other remote instrumentation, RFID applications, radio-controlled models, fire, security and social alarms, vehicle radars, wireless microphones and earphones, traffic signs and signals (including control signals), remote garage door openers and car keys, barcode readers ...
RØDE shotgun microphones are known for their in-built batteries, digital switches, and RF-bias technology, which significantly improves moisture resistance. [50] The NTG5 was the first microphone on the market to utilise circular acoustic perforations on the microphone body in place of the linear slots typically found on shotgun microphones. [51]
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