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The microphone kit (two SM57 microphones, windscreens, microphone stands, and black right-angle XLR cables) is referred to as the VIP/high-profile microphone kit. The SM57 is a popular choice of musicians due to its sturdy construction and ability to work well with instruments that produce high sound pressure levels , such as percussion ...
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.
Marie Van Brittan Brown received a patent for the design of a CCTV-based home security system in 1969. (U.S. patent 3,482,037). Another early appearance was in 1973 in Times Square in New York City. [26]
Introduced in 2009, cardioid condenser microphone which operates on power supplied by the USB on Personal computers. ECM-58: Introduced in 2010, a hand-held dynamic microphone. Discontinued. ECM84 Kit: Introduced in 2013, a small diaphragm stereo electret condenser microphone kit. [14] MP-1073: Introduced in 2013, a Class-A microphone ...
The Thing, also known as the Great Seal bug, was one of the first covert listening devices (or "bugs") to use passive techniques to transmit an audio signal. It was concealed inside a gift given by the Soviet Union to W. Averell Harriman , the United States Ambassador to the Soviet Union , on August 4, 1945.
Some forecasts project the home security market as a whole will be worth $47 billion by 2020, [12] with the DIY home security market worth $1.5 billion. [13] While the market for home security is expanding, especially with cable TV and Internet service providers introducing their own security and home automation products, it is a fragmented ...
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