Digital Expression Glossary

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video

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Electronic medium for the recording, copying, playback, broadcasting, and display of moving visual and audio media.

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vitaphone

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Thecnique of recording audio and video separatedly and then join them to create a talkie movie, first used in movies by warner bros

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movietone

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System invented by fox company that was able to record audio and video at the same time

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Betamax

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Videocassette magnetic tape-recording format developed by Sony, released in Japan on May 10, 1975. The format is virtually obsolete, having lost the videotape format war though an updated variant of the format, Betacam, is still used by the television industry

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VHS

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Video home system, denoting the video system used by domestic video recordes and some camcorders

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Flash memory

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Electronic non-volatile computer storage medium that can be electrically erased and reprogrammed.

Introduced by Toshiba in 1984

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DVD

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Electronic medium for the recording, copying, playback, broadcasting, and display of moving visual and audio media.

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Retinal persistence

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Sequence of images that catch our eyes in continious forms and has at leas 24 frames per second

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FPS

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Abbreviation that stands for "frames per second"

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PAL

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Television broadcast system used in most Europe

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NTSC

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Television broadcast system used in North America and Japan

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SECAM

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(Séquentiel Couleur à Mémoire): it is similar to PAL, but it is less known. It was created in France, so it is more used in Europe, and it has an optimum handling of color

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EDTV

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It has SDTV (Standard Definition Television) technology, and it can display between 480 and 576 lines in the PAL or NTSC frequencies

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HDTV

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it works with three resolutions: 720p, 1080i and 1080p; it has the ability to be converted as needed in order to commute among them

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Blu-ray

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Is a digital optical disc data storage format designed to supersede the DVD format, in that it is capable of storing high-definition video resolution (1080p).

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HDDVD

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Is a discontinued high-density optical disc format for storing data and high-definition video. Supported principally by Toshiba, HD DVD was envisioned to be the successor to the standard DVD format.

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Codec

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Device or software that compresses data or decompresses data

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AVI

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Standard format to store digital videos in different platforms

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Divx

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Codec notable for its ability to compress lengthy video segments into small sizes while maintaining relatively high visual quality.

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Xvid

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Video codec library following the MPEG-4 video coding standard, specifically MPEG-4 Part 2 Advanced Simple Profile (ASP)

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MPEG

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Standard format used to compress videos, it's extensions could be .mpg or .mpeg

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MOV

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It uses Apples own codec, which handles the color palette of this platform optimally. This type of files may also have the .QT extension, which is used in the quick time app

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WMV

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This format was designed by Microsoft. It is based on the MPEG-4 codec to compress the video. It can be found with the extension .ASF. It is used in windows 7 or beyond

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RM

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It is the format of Real Networks for video files. It is based on its own codec to compress the audio, and it has an extension .RM and .RAM. it's necessary real player app

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FLV

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This format is based on the Sorenson Spark and On2 VP6 codecs. Both allow a high visual quality no matter if the user has a high downloading, it's extension .flv

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VOB

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It is the format that contains video, audio and subtitles. Its extension is .VOB and it is normally used in the distribution of DVD, being kept in order inside the folder of video_ts.

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3GP

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It is used on mobile devices such as 3G telephones. It was developed with the purpose of having standards for mobile technology; the format mpeg4 was used as base

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Script

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The written text of a play, movie or broadcast

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Scene

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smallest unit to measure events in a story in a determined time and place

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Dialogue

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conversation that happens between two or more individuals that present their ideas in an alternative way

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plot twist

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Radical change in the expected direction or outcome of the plot of a novel, film, television series, comic, video game, or other work of narrative.

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storyboard

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group of images with notes, like a graphic mind map in which the images are presented in sequence

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Frame

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Every moment in the picture, it's unit is FPS

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Perspective

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The art of representing three-dimensional objects on a two-dimensional surface so as to give the right impression of their height, width, depth and position.

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Framing

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Action of add frames to something

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Shooting

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The action of filming.

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editing

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Prepare for publication by correcting, condensing, or otherwise modifying it.

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conversion

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To convert videos, images, sound, etc into different formats using codecs.