![](/images/new-backgrounds/1157258/15725813x1.webp)
Disc-related terms
DVD ±R / DVD ±RW
DVD
4.38Gigabytes and
MPEG
MPEG is an international standard for video and audio compression.
MP3
MP3 is a popular compression format used for digital audio files that yields very high
WMA
Windows media audio file. A type of coding / decoding developed by Microsoft Corp.
JPEG
Joint Pictures Expert Group. JPEG is a compressed file format that allows you to save images with no limit on the number of colors.
Title (DVD video discs only)
A title is generally a distinct section of a DVD disc. For example the main feature could be title 1, a documentary describing how the film was made could be title 2, and cast interviews could be title 3. Each title is assigned a reference number enabling you to locate it easily.
Chapter (DVD video discs only)
A chapter is a segment of a title such as a scene in a film or one interview in a series. Each chapter is assigned a chapter number, enabling you to locate the chapter you want. Depending on the disc, chapters may not be recorded.
Group (DVD audio discs only)
The main audio content or accompanying feature content or additional feature content, or music album.Each group is assigned a group reference number enabling you to locate it easily.
Track
A distinct element of audiovisual information, such as the picture or sound track for a specific language (DVD), or a musical piece on a video or audio CD. Each track is assigned a track number, enabling you to locate the track you want. DVD discs allow one track of video (with multiple angles) and several tracks of audio.
Introduction
7