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For reference
For reference
Glossary
This is a disc that can only be recorded once. Recorded data cannot be deleted. There
are two types 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 (80 minutes of music).
CD-R (Compact Disc Recordable)
This disc is the standard for recording and playing of music data. One track is recorded
with one song, and a maximum of 74 minutes can be used with the CD.
CD-DA (Compact Disc Digital Audio)
This disc uses a phase transformation method that enables recording and deleting of data
as many times needed. Capacity is 700MB (80 minutes of music).
CD-RW (Compact Disc Rewritable)
This enables setting of stronger or softer playing of sounds throughout the high to low
range of the sound. Levels can be adjusted to personal preference, enhancing enjoyment
of the music.
EQ (Equalizer)
This is one technology (digital compression technology) used during compression of audio
data for sounds such as music. Because it has high data compression efficiency, it is
generally used to enable obtaining of audio files from music distribution sites on the
Internet.
MP3 (MPEG-1 Audio Layer 3)
This is an abbreviation for Linear Pulse Code Modulation, a signal recording method used
with music 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 with higher sound quality than a
music CD.
LPCM (Linear PCM)
This is an abbreviation for Moving Picture Experts Group and is pronounced "empeg". It is
the international standard for moving image compression. With DVDs, this method is also
used to compress and record digital audio.
MPEG
This is a CD that has controls for preventing computers from copying and ripping (taking
audio information recorded on a compact disc and using it as data to create a file).
Copy Control CD
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