You can use an external microphone for chatting with friends, speaking with colleagues at work, making voice recordings, or using other multimedia applications. Even if your computer has a built-in microphone or a webcam with a microphone, a separate microphone usually provides better audio quality.
If your microphone has a circular plug, just plug it into the appropriate audio socket on your computer. Most computers have two sockets: one for microphones and one for speakers. This socket is usually light red in color or is accompanied by a picture of a microphone. Microphones plugged into the appropriate socket are usually used by default. If not, see the instructions below for selecting a default input device.
If you have a USB microphone, plug it into any USB port on your computer. USB microphones act as separate audio devices, and you may have to specify which microphone to use by default.
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You can adjust the volume and switch the microphone off from this panel.