What does the MIC button in a car mean?
1 Answers
The MIC in a car stands for microphone. Here is some additional information: 1. Inside the car, the microphone is primarily used for Bluetooth call answering and navigation voice playback, among other functions. 2. The technical name for a microphone is actually a transducer, which is a device that converts sound signals into electrical signals. 3. Wireless microphones can generally be divided into three frequency bands: FM band, VHF band, and UHF band. (1) FM band: Since FM radios operate at frequencies between 88-108MHz, and FM band wireless microphones operate at frequencies above 108MHz, typically between 110-120MHz, FM radio signals do not interfere with FM band wireless microphones. This type of wireless microphone is simple in structure and low in cost, but the sound quality is relatively poor. (2) VHF band: The VHF band is commonly referred to as the V band, with frequencies between 180-280MHz. Due to the higher frequencies, it experiences less interference and uses crystal locking for stable reception performance. (3) UHF band: The UHF band is commonly referred to as the U band, with frequencies between 700-900MHz. At such high frequencies, there is almost no external interference. Additionally, U band devices often use surface-mount components, resulting in very stable performance and good sound quality.
