video switcher

A video switcher is a device that allows you to switch between multiple video sources and display them on a single screen or multiple screens. It's commonly used in professional settings such as broadcast studios, event venues, and live performances.

FAQs: 

A: The key features of a video switcher include the number of inputs, the type of inputs (such as HDMI, VGA, etc.), the resolution and format support, the ability to output to multiple displays, audio switching capabilities, and built-in effects and transitions.

A: A video switcher works by taking multiple video inputs and allowing you to select which one you want to display on your output device. The switcher then processes the signal and sends it to the output device, such as a TV or monitor.