|
|
Help Topics
 Disc Formats
Film Formats
Tape Formats
FAQs
Glossary of Multimedia Terms
Search This Site
Site Search Powered by Google
|
|
GLOSSARY of Multimedia Terms
Audio CD: CD format for holding audio data
Authoring: The process of designing and creating the content of a DVD.
BD-R: Blu-ray Disc Recordable. An optical disc having 25 GB storage capacity on which data can be written once.
Blu-ray Disc :An optical disc used mainly for storing High Definition Movies and data. It is the same physical size as a CD or DVD, however, the blue laser technology, for which it is named, gives a dual layered Blu-ray disc up to 50 GB of storage capacity.
CD: Compact Disc
CD-Bridge: CD format that is used for including extra information on a CD-ROM/XA track, enabling it to be played on a CD-i or CD-ROM/XA drive
CD-DA: Compact Disc - Digital Audio. This format was launched in 1982 and was the product of joint development by Philips and Sony. CD-DA discs conform to the red book standard.
CD Duplication: The process of 'burning' audio or data files onto a recordable CD.
CD-Extra: A multisession CD comprising of audio and data. Can be used to add extra CD-ROM content to audio CD releases. The standard was developed by Philips, Sony and Microsoft
CD+G: Audio CD that contains graphics as well as audio data. The format is usually used for karaoke CDs.
CD-I: Compact Disc - Interactive. A multimedia/interactive CD format that was jointly invented by Philips and Sony.
CD-R: Compact Disc Recordable. An optical disc which data/audio can be written to once. The CD-R was developed by Taiyo Yuden.
CD Replication: The process of pressing or stamping data onto a CD from a master disc.
CD-ROM: Compact Disc Read-Only Memory. An optical disc used to store computer data. CD-ROM is defined by the yellow book standard developed jointly by Philips and Sony in 1983.
CD-ROM/XA: CD-ROM Extended Architecture. These discs contain Mode 2 sectors allowing audio and data to be read at the same time. Photo CD, Video CD and CD-Extra are based on this format.
CD-RW: Compact Disc Re-writable. An optical disc that can be written with data or audio multiple times. Introduced in 1997 by Hewlett Packard, Mitsubishi, Philips, Ricoh and Sony.
CSS: Content Scramble System. Scheme used to encrypt DVDs so that they can only be played on CSS-licenced DVD players.
CD Writer/Burner: A drive used to write and/or re-write recordable CDs.
Digital Photo CD: A CDR disc containg digital images, usually in jpg format. Images can be downloaded from the disc for
digital photo lab printing and may be viewed on computers or on televisions when played on compatible DVD players.
DVD: Digital Versatile Disc. A DVD can contain audio, video or data.
DVD-5: Single sided, single layer DVD with 4.7 GB of storage
DVD-9: Single sided, dual layer DVD with 8.5 GB of storage
DVD-18: Double sided, dual layer DVD with 17 GB of storage
DVD+R: Digital Versatile Disc Recordable.
DVD+RW: Digital Versatile Disc Re-writeable. Developed in co-operation with Hewlett-Packard, Mitsublishi Chemical, Philips, Ricoh, Sony and Yamaha.
DVD-R: Digital Versatile Disc Recordable. An optical disc capable of having large amounts of data written onto it once.
DVD-RW: Digital Versatile Disc Re-writeable.
DVD-RAM: Re-writeable DVD disc.
DVD-ROM: Digital Versatile Disc Read-Only Memory. Used for storing computer data.
DVD Duplication: The process of 'burning' audio or data onto a recordable DVD.
DVD Replication: The process of pressing or stamping data onto a DVD from a master disc.
DVD Video: DVD format for storing video data.
Encoding: The process of compressing audio or video.
HD-DVD Disc: Eclipsed by the Blu-ray disc and now out of production, an optical disc format for storing high definition movies and data
Hybrid CD: CD-ROM standard readable by both PCs and MACs.
Master: A disc or file containing data or audio ready for duplication.
Mixed Mode: Contains a combination of a data track and one or more audio tracks. The CD-ROM track is the first track on the disc, followed by CD-DA on the rest of the tracks.
MPEG: Motion Picture Expert Group. MPEG-1 is the video distribution system used on Video CD & CD-I. MPEG-2 and DVD offer better than laser disc picture quality.
Photo CD: Process whereby images from film are stored onto a CD. Pioneered by Kodak.
Regional Coding: Used in DVD players to only allow DVDs encoded for use in one of the six world regions to be played, as set up by the major motion picture companies.
Video CD: CD format for holding video data.
|
|
|
