82 | EnglishGlossaryDVD: Digital Versatile DiscA type of disc which contains recording of audio/video packaged media with high video and audioquality, such as a movie, featuring large recordingcapacity and digital signal processing capability.VCD: VIDEO CDA type of CD which contains the recording of mov-ing images. It compresses image information byabout 1/120 and audio information by about 1/6and accommodates up to 74 minutes of recordingin a disc with the same diameter as ordinary musicCD of 12 cm.Some VCDs do not have the P.B.C. compatibilityand are capable of playback only, while some areP.B.C.-compatible and are capable of various spe-cial playback control operations. This player canplay both of these VCDs.MPEG: Moving Picture Experts GroupThis is an international standard for digital videoand audio compression and decompression inmedia.Dolby DigitalThis is a digital audio compression technologydeveloped by Dolby Laboratories. It is compatiblewith 5.1-channel surround audio as well as normalstereo (2-channel) audio and can accommodate alarge amount of audio data efficiently in a disc.DTSName of a digital surround system developed byDigital Theater Systems, Inc.Top menu/menu (DVD)Some DVDs display more than one title in a screen.This screen is referred to as the top menu.The menu is the item display (menu screen) for usein setting operations. The menu can be recalledany time during playback to perform settingsaccording to the current software, including theaudio switching between Dolby Digital and PCM,switching of language used in the subtitles andspoken voice.Title number (DVD)The title is the largest unit of video and audiorecorded in a DVD. It usually corresponds to asingle movie of video software or an album (some-times a piece of music) of music software. Thenumbers assigned to individual titles are referredto as the title numbers.Chapter number (DVD)The chapter is a section of video and audio record-ed in a DVD. A title is composed of several chap-ters. The numbers assigned to individual chaptersare referred to as the chapter numbers.Subtitles (DVD)Some DVD discs contains the recording of morethan one subtitle language. This player allow youto select one of the recorded subtitle languagesduring playback.Track number (CD, VCD)A track is also a section of video and audio record-ed in a disc. The numbers assigned to individualtracks are referred to as the track numbers.With most of music CDs, a track is assigned to apiece of music. However, with a VCD, the sectionsof the contents do not always correspond to theassigned tracks.As (special) playback functions such as skippingand programming of ordinary CDs are based ontrack number data, such playback functions aresometimes impossible with some VCDs.P.B.C.: Play-Back Control (VCD)When a VIDEO CD carries "Play Back Controlcapable" or similar message on the disc or jacket,desired scenes and information can be played backin an interactive manner using a hierarchical struc-ture while viewing the menu screens displayed onthe TV screen.