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2. Vertical video - Wikipedia

   en.wikipedia.org/wiki/Vertical_video

   A vertical video is a video created either by a camera or computer that is intended for viewing in portrait mode, producing an image that is taller than it is wide. It thus sits in opposition to the multiple horizontal formats normalised by cinema and television, which trace their lineage from the proscenium theatre , Western landscape painting ...

3. Pillarbox - Wikipedia

   en.wikipedia.org/wiki/Pillarbox

   Vertical video with 'echo' pillarboxing. A limited number of local stations also apply custom pillarboxes, but most have removed them with both the advent of all-HD schedules and customer complaints about erroneous technical information in PSIP data. Some TV shows present an "echo" of the edges of the program video in the sidebars, usually blurred.

4. Widescreen signaling - Wikipedia

   en.wikipedia.org/wiki/Widescreen_signaling

   The bandwidth of the WSS signal is low enough to be recorded on VHS (at the time a popular home video recording technology). It is standardized on Rec. ITU-R BT.1119-2. [3] A modern digital equivalent would be the Active Format Description, a standard set of codes that can be sent in a MPEG video stream, with a similar set of aspect ratio ...

5. Field of view in video games - Wikipedia

   en.wikipedia.org/wiki/Field_of_view_in_video_games

   90 degrees FOV in a video game. The field of view is usually given as an angle for the horizontal or vertical component of the FOV. A larger angle indicates a larger field of view. However, depending on the FOV scaling method used by the game, it may only affect the horizontal or the vertical component of the field of view.

6. Technology of television - Wikipedia

   en.wikipedia.org/wiki/Technology_of_television

   The elements of a simple broadcast television system are: . An image source. This is the electrical signal that represents a visual image, and may be derived from a professional video camera in the case of live television, a video tape recorder for playback of recorded images, or telecine with a flying spot scanner for the transfer of motion pictures to video).

7. Television lines - Wikipedia

   en.wikipedia.org/wiki/Television_lines

   Since analog transmission of video is scan line-based, the same number of horizontal lines is always transmitted. However, several factors impede the ability to display fine detail within a line: The camera or other source of material. The storage and processing of the picture. The transmission of the TV signal e.g. broadcast by radio or by cable.