DVD (page 6)A disc that contains up to 8 hours of movingpictures even though its diameter is the sameasaCDThe data capacity of a single-layer andsingle-sided DVD is 4 7 GB (Giga Byte),which is 7 times that of a CD The datacapacity of a double-layer and single-sidedDVD is 8 5 GB, a single-layer and double-sided DVD is 9 4 GB, and double-layer anddouble-sided DVD is 17 GBThe picture data uses the MPEG 2 format,one of the worldwide standards of digitalcompression technology The picture data iscompressed to about l/40 (average) of it’soriginal size The DVD also uses a variablerate coding technology that changes the datato be allocated according to the status of thepicture Audio information is recorded inDolby Digital as well as in PCM, allowingyou to enjoy a more real audio presenceFurthermore, various advanced functionssuch as the multi-angle, multilingual, andParental Control functions are provided withthe DVDIndex (CD)/Video Index (VIDEO CD) (page9)A number that divides a track into sections toeasily locate the point you want on a VIDEOCD or CD Depending on the disc, no indexmay be recordedGlossaryChapter (page 9)Sections of a picture or a music feature thatare smaller than titles A title is composed ofseveral chapters Depending on the disc, nochapters may be recordedDolby Digital (page 23,59)Digital audio compression technologydeveloped by Dolby Laboratories Thistechnology conforms to 5 l-channelsurround sound The rear channel is stereoand there is a discrete subwoofer channel inthis format Dolby Digital provides the same5 1 discrete channels of high quality digitalaudio found in Dolby Digital cinema audiosystems Good channel separation is realizedbecause all of the channel data is recordeddiscretely and little deterioration is realizedbecause all channel data processing is digitalDolby Surround (Pro Logic) (page 22)Audio signal processing technology thatDolby Laboratories developed for surroundsound When the input signal contains asurround component, the Pro Logic processoutputs the front, center and rear signals Therear channel is monauralDTS (page 23,60)Digital audio compression technology thatDigital Theater Systems, Inc developedThis technology conforms to 5 l-channelsurround sound The rear channel is stereoand there is a discrete subwoofer channel inthis format DTS provides the same 5 1discrete channels of high quality digitalaudioGood channel separation is realized becauseall of the channel data is recorded discretelyand little deterioration is realized because allchannel data processing is digitalParental Control (page 47)A function of the DVD used to limit playbackof the disc according to the age of the userand the limitation level in each country Thelimitation varies from disc to disc; when it isactivated, or playback is completelyprohibited, violent scenes are skipped orreplaced with other scenes, etcRegion Code (page 6)This system is used to protect copyrights Aregion number is allocated on each DVDplayer or DVD disc according to the salesregion Each region code is shown on theplayer as well as on the disc packaging The