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2. Audio headset - Wikipedia

   en.wikipedia.org/wiki/Audio_headset

   The microphone arm of headsets may carry an external microphone or be of the voice tube type. External microphone designs have the microphone housed in the front end of the microphone arm. Voicetube designs are also called internal microphone design, and have the microphone housed near the earpiece, with a tube carrying sound to the microphone.

3. Headphones - Wikipedia

   en.wikipedia.org/wiki/Headphones

   Active noise-cancelling headphones use a microphone, amplifier, and speaker to pick up, amplify, and play ambient noise in phase-reversed form; this to some extent cancels out unwanted noise from the environment without affecting the desired sound source, which is not picked up and reversed by the microphone. They require a power source ...

4. Audio feedback - Wikipedia

   en.wikipedia.org/wiki/Audio_feedback

   Block diagram of the signal-flow for a common feedback loop. [1]: 118 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).

5. Sound reinforcement system - Wikipedia

   en.wikipedia.org/wiki/Sound_reinforcement_system

   Microphones on stands are also placed in front of instrument amplifiers to pick up the sound. Headset-mounted and tie-clip-mounted microphones are often used with wireless transmission to allow performers or speakers to move freely. Early adopters of headset mounted microphones technology included country singer Garth Brooks, [6] Kate Bush, and ...

6. Microphone practice - Wikipedia

   en.wikipedia.org/wiki/Microphone_practice

   There are a number of well-developed microphone techniques used for recording musical, film, or voice sources or picking up sounds as part of sound reinforcement systems. The choice of technique depends on a number of factors, including: The wish to capture or avoid the collection of extraneous noise.

7. 3 Minute Guide to Behind-The-Ear (BTE) Hearing Aids - AOL

   www.aol.com/lifestyle/3-minute-guide-behind-ear...

   BTEs work by picking up sound in your environment, amplifying it and piping it to your ear through the tubing to the earmold. This type of hearing aid is capable of high power output and is ...

8. Wireless microphone - Wikipedia

   en.wikipedia.org/wiki/Wireless_microphone

   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 ...

9. Microphone - Wikipedia

   en.wikipedia.org/wiki/Microphone

   Contact microphones have been used to pick up the sound of a snail's heartbeat and the footsteps of ants. A portable version of this microphone has recently been developed. A throat microphone is a variant of the contact microphone that picks up speech directly from a person's throat, which it is strapped to. This lets the device be used in ...