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To test a microphone that has already been installed: Make sure your microphone is connected to your PC. Select Start > Settings > System > Sound. In Sound settings, go to Input and under Test your microphone, look for the blue bar that rises and falls as you speak into your microphone. If the bar is moving, your microphone is working properly.
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Microphone
A microphone, colloquially called a mic or mike, is a device – a transducer – that converts sound into an electrical signal. Microphones are used in many applications such as telephones, hearing aids, public address systems for concert halls and public events, motion picture production, live and recorded audio engineering, sound recording, two-way radios, megaphones, radio and television broadcasting. They are also used in computers for recording voice, speech recognition, VoIP, and for non-acoustic purposes such as ultrasonic sensors or knock sensors.... Read more
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