Glossary of Commonly Used Terms




An audio or video signal that is recorded magnetically, usually onto tape. The alternative is digital recording.



The process of preparing the menu and files before Mastering – the process of burning the master DVD.


AVI (.avi)

(Audio Video Interleave) is a digital video file format mainly used on PC’s (Windows environments).


Blu-ray disc

(BD) is an optical disc storage medium. Unlike DVDs, Blu-ray discs are capable of recording in high definition. Blu-ray Discs contain 25 GB per layer, with dual layer discs (50 GB) being the industry standard for feature-length video discs.



(Digital Audio Tape) is an audio recording and playback medium developed by Sony. As the name suggests, the recording is digital rather than analog. DAT has the ability to record at higher, equal or lower sampling rates than a CD. As Sony has ceased production of new recorders, it will become more difficult to play archived recordings in this format unless they are copied to other formats or hard drives.


D-Cinema (Digital Cinema)

The term refers to both the mastering of content to a specific set of standards outlined by the DCI* and the cinema presentation of the mastered content using DCI compliant digital cinema projection equipment. The screening files used are often referred to as DCP.

* DCI: Digital Cinema Initiatives is a joint venture between the major Hollywood studios to establish a specification for a standard digital cinema architecture


DLT (Digital Longitudinal Tape)

A tape storage medium used for master files for the replication of DVD’s. It was also used as a back up tape for digital files – now superseded by LTO.


E Cinema

A general term that is applied to all forms of digital delivery of content for theatrical screening e.g. mpeg2, blu-ray.



The process of converting analogue material to a digital format, also called digitizing.


Face Labels

The label that is printed to the top-side of a disc.



High definition as opposed to SD (standard definition).



Hard disk drive storage device



Printed material (e.g. disc title and artwork) inserted into the inside of the disc case. Can be a single sheet or booklet.



Linear Tape-Open (or LTO) is a magnetic tape data storage technology originally developed in the late 1990s. LTO is widely used with small and large computer systems, especially for backup. The film/TV industry (including The Dub Shop) uses LTO as a data storage medium.


Master DVD

The original DVD from which all copies are made.



Transfer from one format to another e.g. videotape to DVD, LP’s (vinyls) to CD.



A digital video file format. (link to Wiki)



A compressed digital audio format. (link to Wiki)



A compressed digital video file format commonly used for internet streaming and for editing applications. (link to Wiki)


QuickTime (.mov)

A digital video file format mainly used on Mac computers.



Standard definition – a medium quality format as opposed to HD (high definition).



The printed material that is inserted as a cover for the DVD or Blu-ray case.



The direct conversion from one digital format to another e.g. MPEG-2 to MPEG-4.

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