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A person singing karaoke in Hong Kong ("Run Away from Home" by Janice Vidal). Karaoke (/ ˌ k ær i ˈ oʊ k i /; [1] Japanese: ⓘ; カラオケ, clipped compound of Japanese kara 空 "empty" and ōkesutora オーケストラ "orchestra") is a type of interactive entertainment system usually offered in clubs and bars, where people sing along to pre-recorded accompaniment using a microphone.
The Boston-area retail chain Tweeter was one of the first and largest stores to sell them. Boston Acoustics entered the mobile audio category in 1983. Boston produced speakers for home, custom/architectural, and vehicles. They also produced OEM equipment factory-fitted to a variety of cars including Chrysler 300, Chrysler 200, Chrysler PT ...
A sound reinforcement system is the combination of microphones, signal processors, amplifiers, and loudspeakers in enclosures all controlled by a mixing console that makes live or pre-recorded sounds louder and may also distribute those sounds to a larger or more distant audience. [1][2] In many situations, a sound reinforcement system is also ...
Audio feedback (also known as acoustic feedback, simply as feedback) is a positive feedback situation that may occur when an acoustic path exists between an audio output (for example, a loudspeaker) and its audio input (for example, a microphone or guitar pickup). In this example, a signal received by the microphone is amplified and passed out ...
Protection of a "1-dimension zone" is easier and requires only one or two microphones and speakers to be effective. Several commercial applications have been successful: noise-cancelling headphones, active mufflers, anti-snoring devices, vocal or center channel extraction for karaoke machines, and the control of noise in air conditioning ducts ...
The proximity effect in audio is an increase in bass or low frequency response when a sound source is close to a directional or cardioid microphone. [1] [2] Proximity effect is a change in the frequency response of a directional pattern microphone that results in an emphasis on lower frequencies. It is caused by the use of ports to create ...
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