Vision mixer
（重定向自Video switching）
![Ross Video Vision 4 at Current TV](/Images/godic/202502/19/CurrentNew2314.jpg")
![Kahuna video switcher made by Snell Limited company presented at IBC 2010.](/Images/godic/202502/19/Snell_Kahuna_vision_mixer2314.jpg")
![A Sony BVS-3200CP vision mixer.](/Images/godic/202502/19/Sony_BVS-3200CP_vision_mixer2315.jpg")
![A Blackmagic Design ATEM 1 M/E broadcast switcher, rack-mounted with other equipment in a typical live production environment. Many switchers are separated into two devices: one that does the bulk of video processing (pictured here), and a control panel used by the technical director.](/Images/godic/202502/19/Broadcast_Switcher_in_Rack_Mounted_Configuration2315.jpg")
A vision mixer (also called video switcher, video mixer or production switcher) is a device used to select between several different video sources and in some cases compositing (mix) video sources together to create special effects. This is similar to what a mixing console does for audio.