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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.
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 ...
For example, music can be streamed from a mobile phone to a wireless headset, hearing aid/cochlear implant streamer, or car audio; alternately from a laptop/desktop to a wireless headset; also, voice can be streamed from a microphone device to a recorder on a PC. [1]
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In the context of telecommunication, a headset is a combination of a headphone and microphone. Headphones connect to a signal source such as an audio amplifier , radio , CD player , portable media player , mobile phone , video game console , or electronic musical instrument , either directly using a cord, or using wireless technology such as ...
The iPhone Stereo Headset was introduced in 2007 and was bundled with the original iPhone and iPhone 3G, and featured a control capsule in-line with the left earbud's wire with a microphone and a single button, actuated by squeezing the unit, which can be programmed to control calls, presentations, music and video playback, launch Siri, or take pictures with the Camera application.
Common devices such as keyboards and mice send reports that are compliant with standards set by the USB Implementers Forum (USB-IF). [8] When a vendor makes a custom USB HID class device, the reports formed by the device need to match the report description given during enumeration and the driver installed on the host system.
The microphone generates its own voltage and needs no power. Devices that use a self-powered microphone: usually a condenser microphone with an internal battery-powered amplifier. Devices that use a plug-in powered microphone: an electret microphone containing an internal FET amplifier. These provide a good quality signal in a very small ...