Category Archives: Post Production

Definition Day: Green Screen aka Chroma Key

Green Screen (can also be blue) is a backdrop that allows fora change in background in editing. Herewith the wiki definition:

Chroma key compositing, or chroma keying, is a visual effects / post-production technique for compositing (layering) two images or video streams together based on color hues (chroma range). The technique has been used heavily in many fields to remove a background from the subject of a photo or video – particularly the newscasting, motion picture and videogame industries. A color range in the foreground footage is made transparent, allowing separately filmed background footage or a static image to be inserted into the scene. The chroma keying technique is commonly used in video production and post-production.

Definition Day: Transcriptions and Captions

Captions (or Closed Captioning, CC) and subtitling are both processes of displaying text on a television, video screen, or other visual display to provide additional or interpretive information.

Both are typically used as a transcription of the audio portion of a program as it occurs (either verbatim or in edited form), sometimes including descriptions of non-speech elements.

A Transcript is the written audio of a video and is normally embedded below the video or on the same webpage to help search engines to crawl the text and index it for search engines to find the content.

Pro Tip: If you use the Facebook captions for instance they only show up when you’re playing the video without audio (very cool, but only works on Facebook, not any other source).

Both Captions and Transcripts are highly recommended for any video uploads on websites and YouTube.

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Definition Day: Video Player

Definition DayA Video Player is a plug-in that allows you to play a video you have embedded in your website.

There are several plug-ins that work very well. For WordPress I use Huzzaz Video Galleries, which is free and allows for several different ways of displaying your videos if you have more than one.

For a single video I love embed.ly. It gives you a Short Code to embed on the WordPress page and couldn’t be any easier.  It’s also not customizable, but it will honor the YouTube (or Vimeo) settings you have established.

Definition Day: TRT & RT

Definition DayTRT is one of those lovely acronyms our industry has.  It stands for “Total Running Time” and refers to the exact length (to the frame) of a video. Mostly, for the casual user there’s no difference between RT (Running Time) and TRT, but if you are media buying, say for an advertising spot on the Super Bowl, your counting down to the frame.

Definition Day: Rendering

Definition DayWe all know what a rendering is, but do you know what it means within the context of video editing? We refer to a render or to rendering as something you do to compile all the assets of a video edit and make it “one” for “output” to a single file, mostly a .mp4, or .mov file (the first for Mac, the latter for PC).

The definition of rendering on wikipedia refers to graphics, but holds true for a video sequence in an edit software as well. Rendering is generating an image from a model (i.e. an edit sequence) by means of computer programs. Rendering software renders data into [moving] picture.

Definition Day: Sequence

Definition DayThe video clips you are working with in an editing software are put into a sequence, which is defined as a set of things next to each other in a set order. And the timeline is the graphical representation of that chronological sequence of events (i.e. video clips strung together).POST_edit-timeline-sequence-only

Definition Day: Edit Windows

Definition DayEdit Windows: Most professional editing softwares are set up in four main windows:

  • Assets, organized in bins
  • Source window
  • Preview window
  • Sequence, Timeline

The tools you use to work with these windows are often in tool bars on any of the screen edges. See sample below from Adobe Premiere CC.

  • The assets window has all the different files and folders in it you are working with, as well as tabs or links to effects, transitions, and other apps.
  • The source window shows you the video (or effect, or audio wave file) of the asset you are currently working with. I.e. choosing clips from to put into the time line (for the most part)
  • The sequence window shows you your timeline and
  • The preview window shows you your edited video clip (sequence) at the moment where you are editing right now)POST_edit-layout-windows-only

Definition Day: Bin

Definition DayA Bin is a software folder into which video clips and other editing assets get organized in. You’ll have many bins per project and we’ll talk about workflow and naming these bins next week.

The term bin is a leftover from the manual editing days (not too long ago), where in the editing process the physical filmstrips would be hanging from a frame built on top of a bin. The top bar of the frame had small nails every half-inch or so from which the filmstrips would hang from their sprocket holes. The bin itself would catch any filmstrips that fell off the frame.POST_edit-bins-only

Definition Day: Layers

Definition DayLayers are the different tracks in a sequence that are stacked on top of each other. A good editing software has allowance for many (unlimited) video and audio tracks. Graphics and effects live on the video tracks. Normally the most outer track (video tracks mostly get added on top of each other) is the one being seen in the preview window. Audio tracks are ALL heard, unless they are muted.POST_edit-layer-only