A microphone is a sound device, and then convert them into electrical signals for processing in the audio mixer or amplifier or other device Microphone consists of a coil and a magnet. When the siangkrathop receiver microphone will cause the coils to cut vibration magnetic field. It can also cause electric signals, which are essentially working opposite speakers. In General, using a microphone receiving speech or singing voice. The three can be taken not in education, such as learning to speak to classes and yana-debates, including the points of the guided practice and guided practice.
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