Digital Packet Video Link (DPVL) is a

video Video is an Electronics, electronic medium for the recording, copying, playback, broadcasting, and display of moving picture, moving image, visual Media (communication), media. Video was first developed for mechanical television systems, whi ...

standard Standard may refer to: Symbols * Colours, standards and guidons, kinds of military signs * Standard (emblem), a type of a large symbol or emblem used for identification Norms, conventions or requirements * Standard (metrology), an object ...

released by

VESA VESA (), formally known as Video Electronics Standards Association, is an American standards organization, technical standards organization for computer display standards. The organization was incorporated in California in July 1989To retrieve ...

in 2004. Unlike previous technologies, in order to save

bandwidth Bandwidth commonly refers to: * Bandwidth (signal processing) or ''analog bandwidth'', ''frequency bandwidth'', or ''radio bandwidth'', a measure of the width of a frequency range * Bandwidth (computing), the rate of data transfer, bit rate or thr ...

, only portions of the screen that are modified are sent by the means of this link. DPVL also introduces

metadata Metadata (or metainformation) is "data that provides information about other data", but not the content of the data itself, such as the text of a message or the image itself. There are many distinct types of metadata, including: * Descriptive ...

video attributes support. The DPVL standard is aimed at mobile and

wireless Wireless communication (or just wireless, when the context allows) is the transfer of information (''telecommunication'') between two or more points without the use of an electrical conductor, optical fiber or other continuous guided transm ...

hardware.

References

* VESA-2004-4 DPVL Standard 1.0 June 2004

External links

VESA-2004-4 1.0 standard summary

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Computer standards VESA {{Standard-stub