A/V, or audio/visual, refers to technologies and equipment used for processing, transmitting, and displaying sound and visual information. A/V technology encompasses various devices, such as televisions, projectors, speakers, amplifiers, receivers, and media players, which work together to provide a complete audio-visual experience. A/V systems are used in various applications, such as home entertainment, broadcasting, education, business presentations, and live events. They enable users to enhance the audio-visual quality of their content, making it more engaging and impactful for the audience. With the advent of digital technologies, A/V equipment has become more advanced, affordable, and accessible to consumers, offering high-definition picture and immersive sound.