What is upstream key?
A key applied in a mix/effects bus. This is upstream of the video and any downstream keys. It is used for elements that appear as “part of the shot,” such as virtual sets.
What is the difference between an upstream key and a downstream key?
Upstream keys are transitioned to the program output using the next transition block. Downstream keyers can be transitioned using their own transition buttons or by using the DSK TIE button to link the transition with the main transition control block.
What is a keyer in broadcast?
Generally, this means upgrading from a computer hooked directly into projectors to display words and graphics, to a video switcher or switcher scaler with one or more computers, cameras, playback devices, etc. as inputs, with the output going to the projectors.
What is upstream and downstream business?
Upstream oil companies are involved primarily with oil discovery, extraction, and production. Downstream oil companies instead deal with refining and delivering petroleum products to consumers.
What does Atem mean Blackmagic?
Definition. ATEM. Advanced Technology in Experimental Mechanics (conference) ATEM. Analytical Transmission Electron Microscopy.
What is DSK in production?
After the P/P section, there is another keying stage called the downstream keyer (DSK). It is mostly used for keying text or graphics, and has its own “Cut” and “Mix” buttons.
What is the difference between a chroma key and a luma key?
The most basic and most used keying tools are the Chroma Key and Luma Key. Chroma key allows you to choose a color to make it transparent and then allows you to overlay an image or a video on the transparent area. On the other hand, the Luma key allows you to work with the luminescence of an image or a video.
What is an me on a switcher?
ME’s are where the magic happens in video switchers and are comprised of controls each with a row of buttons for Preview and Program. Program is the video source you are sending out and Preview refers to the video source you are intending to transition into next.
Can Atem mini do chroma key?
ATEM Mini is fast to set up and easy to use. It includes 4 standards converted HDMI inputs, USB webcam out, HDMI out, Fairlight audio mixer with EQ and dynamics, DVE for picture in picture, transition effects, green screen chroma key, 20 stills media pool for titles and free ATEM Software Control.
What is key and fill graphics?
Key and Fill is a technique used to composite graphics in broadcast vision mixers – often for lower third graphics. Physical video signals (like HDMI and SDI) do not carry alpha information. Hence, the alpha channel (Key) needs to be split into a separate video signal, with alpha being presented as luminance.
What is DSK on a switcher?
Jul 07, 2018. On the right side of the vision mixer (main switcher) block is an area with DSK functions. The Switcher allows you to decide which source or which image from the inside of a virtual studio V/C is aired. However, no program can go without graphics and text panels.
What is DVE in vision mixer?
Digital video effects (DVEs) are visual effects that provide comprehensive live video image manipulation, in the same form as optical printer effects in film.
What is vision mixer in production?
What does a vision mixer do? Vision mixers work on multi-camera TV programmes. They select what the viewers see on their televisions at home. Sitting next to the studio director in the production gallery, in front of an array of monitors, they cut between the different pictures available in real time.
What is alpha key in video switcher?
The Alpha Key Module has two functions: (1) Blend ProPresenter’s content over incoming video and then send that combined content back to a switcher or projector; (2) Generate a key and fill signal that is then sent to a broadcast-quality switcher that is able to accept this type of signal.
What is luma key used for?
Luma keys provide a way to composite a foreground clip over a background clip based on the luma levels in the video. This is most often useful for still images, such as a picture of a logo over a black background, or computer-generated graphics.