148For referenceGlossaryCD-R This is a disc that can only be recorded once.Recorded data cannot be deleted. There are twotypes of CD-R, one having capacity of 650MB(74 minutes of music), the same as a regular CD,and the other having capacity of 700MB (80minutes of music).(Compact Disc Recordable)CD-DA This disc is the standard for recording andplaying of music data. One track is recorded withone song, and a maximum of 74 minutes can beused with the CD.(Compact Disc Digital Audio)CD-RW This disc uses a phase transformation methodthat enables recording and deleting of data asmany times needed. Capacity is 700MB (80minutes of music).(Compact Disc ReWritable)EQ (Equalizer) This enables setting of stronger or softer playingof sounds throughout the high to low range of thesound. Levels can be adjusted to personalpreference, enhancing enjoyment of the music.MP3 • "MP3" is the abbreviation for "MPEG Audio Layer3," which is the standard format for compressionof audio data. MP3 technology compressessound in the range inaudible to the human ear,producing a file one tenth the size of the original.(MPEG-1 Audio Layer-3)LPCM This is an abbreviation for Linear Pulse CodeModulation, a signal recording method used withmusic CDs. A music CD is recorded at 44.1kHz/16 bit, but a DVD is recorded at 48kHz/16 bit ~96kHz/24 bit, enabling a DVD to be played withhigher sound quality than a music CD.(Linear PCM)MPEG This is an abbreviation for Moving Picture ExpertsGroup and is pronounced "empeg". It is theinternational standard for moving imagecompression. With DVDs, this method is alsoused to compress and record digital audio.Copy Control CD This is a CD that has controls for preventingcomputers from copying and ripping (takingaudio information recorded on a compact discand using it as data to create a file).UDF This is one format for use with optical discs notreliant on the OS. It is used with media such asDVD and CD-RW.(Universal Disc Format)Track The single division for a song on a music CD iscalled a track.
