33GlossaryAnalogue: Sound that has not been turned intonumbers. Analogue sound varies, while digital soundhas specifi c numerical values. These jacks sendaudio through two channels, the left and right.Aspect ratio: The ratio of vertical and horizontalsizes of a displayed image. The horizontal vs. verticalratio of conventional TVs is 4:3, and that of widescreens is 16:9.AUDIO OUT jacks: Jacks on the back of the DVDSystem that send audio to another system (TV,Stereo, etc.).Bit Rate: The amount of data used to hold a givenlength of music; measured in kilobits per seconds, orkbps. Or, the speed at which you record. Generally,the higher the bit rate, or the higher the recordingspeed, the better the sound quality. However, higherbit rates use more space on a disc.Chapter: Sections of a picture or a music piece on aDVD that are smaller than titles. A title is composedof several chapters. Each chapter is assigned achapter number enabling you to locate the chapteryou want.Component Video Out jacks: Jacks on the back ofthe DVD System that send high-quality video to a TVthat has Component Video In jacks.Disc menu: A screen display prepared for allowing ofselection of images, sound, subtitle, multi-angles etc.recorded on the DVD.Digital: Sound that has been converted intonumerical values. Digital sound is available when youuse the DIGITAL AUDIO OUT COAXIAL jack. Thesejacks send audio through multiple channels, insteadof just two channels as analogue does.Dolby Digital: A surround sound system developedby Dolby Laboratories containing up to six channelsof digital audio (front left and right, surround left andright, center and subwoofer).HDMI (High-Definition Multimedia Interface):HDMI is a digital interface for consumer electronicproducts. Unlike conventional connections, ittransmits uncompressed digital video and audiosignals on a single cable.JPEG: A very common digital still picture format. Astill-picture data compression system proposed bythe Joint Photographic Expert Group, which featuressmall decrease in image quality in spite of its highcompression ratio.Multichannel: DVD is specifi ed to have eachsoundtrack constitute one sound fi eld. Multichannelrefers to a structure of soundtracks having three ormore channels.Parental Control: A function of the DVD to limitplayback of the disc by the age of the usersaccording to the limitation level in each country. Thelimitation varies from disc to disc; when it is activated,playback will be prohibited if the software’s level ishigher than the user-set level.PCM (Pulse Code Modulation): A system forconverting analogue sound signal to digital forlater processing, with no data compression used inconversion.Playback control (PBC): Refers to the signalrecorded on Video CDs or SVCDs for controllingreproduction. By using menu screens recorded on aVideo CD or SVCD that supports PBC, you can enjoyinteractive-type software as well as software having asearch function.Progressive Scan: It displays all the horizontallines of a picture at one time, as a signal frame.This system can convert the interlaced video fromDVD into progressive format for connection to aprogressive display. It dramatically increases thevertical resolution.Region Code: A system for allowing discs tobe played back only in the region designatedbeforehand.This unit will only play discs that have compatibleregion codes. You can fi nd the region code of yourunit by looking on the product label. Some discs arecompatible with more than one region (or All regions).Title: The longest section of a picture or musicfeature on DVD, music, etc., in video software, or theentire album in audio software. Each title is assigneda title number enabling you to locate the title youwant.VIDEO OUT jack: Jack on the back of the DVDSystem that sends video to a TV.