Also a number of new models even supply graphics and titling as well as audio mixing. Scaling is a vital function required to correctly scale the output based upon the requirements of the display.
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Many of today's switchers are designed to deal with multiple formats where they can accept a wide variety of sources like Serial Digital Interface (SDI) including 3G, HD, or SD High-Definition Multimedia Interface (HDMI) Digital Visual Interface (DVI) component video VGA composite etc.Īmong the many options to consider are scalers. Video switchers are able to create visual effects like mixes or wipes between scenes as well as providing compositing effects where various inputs and graphics are layered to create a single output. Switchers are normally used for real-time recording, broadcast, or streaming of live events or where multiple sources need to be mixed in real-time and routed to a projector, as opposed to post-production editing. To make it easier to grasp, you can compare a video switcher to what an audio console does it takes in multiple input sources the user can apply effects and/or processing and the unit provides an output.
While choosing the format that you will shoot in and the sources that will be used in your video system are important, the switcher is a key consideration that needs to be decided upon earlier rather than later.Ī video switcher is a piece of equipment that mixes multiple video sources into one or more master outputs. For houses of worship that are considering adding video as a part of their services or are looking to purchase new equipment, one of the first pieces of equipment that needs to be considered is the video switcher.