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Glossary
Aspect Ratio: The aspect ratio of a shape is the ratio of its longer dimension to its shorter dimension, often used in connection to the shape of video/film footage captured and displayed.
Codec: Short for 'coder-decoder'. A device that converts analogue video and audio signals into a digital format for transmission. It also converts received digital signals back into an analogue format.
DV: Digital Video, a format with higher capture quality than earlier analogue formats such as Video8, Hi8 and VHS. Features include intraframe compression for uncomplicated editing and good video quality.
EPS: Encapsulated PostScript is a PostScript document with additional restrictions intended to make EPS files usable as a graphics file format.
HD/SD: HD or High Definition (a digital format), with a pixel resolution of 1920x1080. SD or Standard Definition, with a pixel resolution of 720x576
Interactive Media: A type of collaborative media, refers to media that allows for active participation by the recipient, hence interactivity. Traditional information theory would describe interactive media as those media that establish two-way communication.
JPEG: In computing, JPEG is a commonly used method of compression for photographic images.
LMS: A learning management system (LMS) is software for delivering, tracking and managing training/education. LMSs range from systems for managing training/educational records to software for distributing courses over the Internet and offering features for online collaboration.
MPEG: The Moving Picture Experts Group (MPEG) was formed by the ISO to set standards for audio and video compression and transmission. The MPEG standards consist of different Parts. Each part covers a certain aspect of the whole specification. Example are MPEG1, MPEG2 and MPEG 3.
PAL/NTSC: PAL, short for Phase Alternating Line, is an analogue television encoding system used in broadcast television systems in large parts of the world. Another common analogue television system is NTSC.
PDF: Portable Document Format is a file format created by Adobe Systems in 1993 for document exchange. PDF is used for representing two-dimensional documents in a manner independent of the application software, hardware, and operating system.
Quicktime: is a multimedia framework developed by Apple Inc., capable of handling various formats of digital video, media clips, sound, text, animation, music, and interactive panoramic images.
Resolution: The display resolution of a digital television or display typically refers to the number of distinct pixels in each dimension that can be displayed.
Transcription: Transcription is the conversion into written, typewritten or printed form, of a spoken-language source, as in the audio from an interview or congress presentation.
Webcast: A webcast is a media file distributed over the Internet using streaming media technology. A webcast may either be distributed live or on demand. Essentially, webcasting is 'broadcasting' over the Internet.
White Balance: In photography and image processing, color balance is the global adjustment of the intensities of the colors (typically red, green, and blue primary colors). An important goal of this adjustment is to render specific colors – particularly neutral colors – correctly; hence, the general method is sometimes called gray balance, neutral balance, or white balance.
WMV: Windows Media Video, is a compressed video file format for several proprietary codecs developed by Microsoft.
Widescreen: A term given to picture displays with a wider aspect ratio than your standard analogue TV. Sometimes referred to as 16:9 widescreen.
