Glossary
English
Analogue: Sound that has not been turned into numbers. Analogue sound varies, while digital sound has specifi c numerical values.
These sockets send audio through two channels, the left and right.
Aspect ratio: The ratio of vertical and horizontal sizes of a displayed image. The horizontal vs. vertical ratio of conventional TVs is 4:3, and that of
Bit Rate: The amount of data used to hold a given length of music; measured in kilobits per second, or kbps. Or, the speed at which you record. Generally, the higher the bit rate, or the higher the recording speed, the better the sound quality. However, higher bit rates use more space on a disc.
Chapter: Sections of a picture or a music piece on a DVD that are smaller than titles. A title is composed of several chapters. Each chapter is assigned a chapter number enabling you to locate the chapter you want.
Disc menu: A screen display prepared for allowing a selection of images, sounds, subtitles,
DivX: The DivX code is a
Dolby Digital: A surround sound system developed by Dolby Laboratories containing up to six channels of digital audio (front left and right, surround left and right, centre and subwoofer).
Dolby Surround Pro Logic II: It is an improved matrix decoding technology that provides better spatiality and directionality on Dolby Surround programme material, provides a convincing three dimensional sound fi eld on conventional stereo music recordings and is ideally suited to bring the surround experience to automotive sound. While conventional surround programming is fully compatible with Dolby Surround Pro Logic II decoders, soundtracks will be able to be encoded specifi cally to take full advantage of Pro Logic II playback, including separate left and right surround channels. (Such material is also compatible with conventional Pro Logic decoders).
DTS: Digital Theatre Systems. This is a surround sound system, but it is different from the Dolby Digital. The formats were developed by different companies.
JPEG: A very common digital still picture format. A still picture data compression system proposed by the Joint Photographic Expert Group, which features a small decrease in image quality in spite of its high compression ratio.
MP3: A fi le format with a sound data compression system. “MP3” is the abbreviation of Motion Picture Experts Group 1 (or
Multichannel: DVDs are formatted to have each sound track constitute one sound fi eld. Multichannel refers to a structure of sound tracks having three or more channels.
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