Broadcast transmission is the process of sending audio and video signals over the airwaves to reach a wide audience. This method uses electromagnetic waves to transmit content from a central source, such as a television station or radio station, to various receivers, like TVs and radios. The signals can be analog or digital, with digital transmission offering better quality and more channels. The primary types of broadcast transmission include AM (Amplitude Modulation) and FM (Frequency Modulation) for radio, and UHF (Ultra High Frequency) and VHF (Very High Frequency) for television. Broadcast transmission allows for real-time communication and is essential for news, entertainment, and emergency alerts.