Glossary
M
Menu
A screen included on DVD Video discs that allows you to select the titles of video or audio on the disc, or to select the subtitles or camera angle, etc.
Multi-angle
A function that includes mutiple camera angles for the same scene in a title and allows the user to select which angle to use.
Multichannel
For DVD Audio discs, a single audio track can only consist of one sound scene. However, they can include three or more channels for the audio track.
Multilingual
A function that allows a single title to support several languages.
Multi-story
A function that includes mutiple story variations for the same title. Usually this allows you to select the story you wish to follow when playing the disc, and to continue making selections via a menu at each story junction within the title.
O
One-sided disc
DVD discs that include signals that can only be read from one surface. There are single layer and dual layer
P
Parental control function
A function that can automatically detect whether the video or audio content of a disc is appropriate for the audience (for example, educationally undesirable scenes) by comparing the parental level stored on the disc with the parental level set on the player. If the levels match, or the level on the player is higher, you can play the disc.
Playback control (PBC)
A signal included on (version 2.0) Video CD discs that can control playback. Video CD discs that support this function include a menu on the disc which allows you to interact with the software, perform searches and other functions.
S
Sampling frequency
The sampling frequency used when converting the analog signal to a digital signal. Expressed as a rate of times/second, it samples the analog signal and determines the digital signal value.
Squeezed video
A method of storing 16:9 video data that is uniformly shrunk (squeezed) to 4:3 video size.
When this is displayed on a TV or monitor the left and right are stretched so that is return to the original ratio.
Surround
An audio encoding system that produces realistic,
S-Video format
A video signal that separates the brightness signal (Y) and color signal (C) of a traditional video signal. It produces an image with very little color blur.
T
Transfer rate
The amount of digital data transferred in one second, using a transfer rate capable of
Two-sided discs
DVD discs that include signals that can be read from both surfaces. The disc needs to be turned over.
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