AM-FM stands for Amplitude Modulation-Frequency Modulation. It is a term commonly used in the field of radio broadcasting and telecommunications. AM-FM is a technology that combines two methods of radio transmission to provide clear and effective audio communication.
Amplitude Modulation (AM) is a method of broadcasting in which the audio signal is modulated onto the carrier wave by varying its amplitude. The amplitude fluctuations carry the audio information, which can then be detected and decoded by radio receivers.
Frequency Modulation (FM), on the other hand, is a method of broadcasting in which the audio signal is modulated onto the carrier wave by varying its frequency. The frequency fluctuations allow for more efficient transmission of sounds, resulting in clearer and higher fidelity audio reception.
By combining the principles of AM and FM, AM-FM technology provides a versatile and robust system for radio broadcasting. It allows for a wide range of frequencies to be used, enabling stations to reach a larger audience and cover greater distances. AM-FM also provides better resistance to interference and noise, resulting in improved sound quality.
In conclusion, AM-FM refers to the combination of Amplitude Modulation and Frequency Modulation in radio broadcasting. This technology allows for clear and efficient audio transmission, providing listeners with reliable and high-quality radio reception.