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Index
Abbreviation/Term
Explanation
M
miniSD Memory
Card
This mini-type SD memory card is 21.5 mm long, 20 mm wide and 1.4 mm thick,
weighing approx. 1 g. If an adapter is attached, it can be also be used as an SD
memory card.
MMC
See MultiMediaCard.
MP3
MPEG Audio Layer-3: One type of audio compression standard speci
fi
ed by MPEG.
MPEG
Motion Picture Experts Group: Standard related to compression of digital video
and audio. MPEG2 is a higher standard of MPEG and is applied to video (movie)
requiring higher quality.
MPEG Audio
Layer 2
One of three audio compression standards (layers 1-3) de
fi
ned by MPEG
MultiMediaCard
Also referred to as MMC. Compact memory card, 32 mm long × 24 mm wide × 1.4
mm thick
P
PCM
Pulse Code Modulation: One method of converting an analog signal, such as audio,
to pulse group: An analog signal is sampled and quantized to an integral value of
speci
fi
ed bit number.
R
Region Codes
These codes, used for DVD-Video and BD, restrict the playable areas.
S
SCSI
Small Computer System Interface: A standard for connecting computer and
peripheral devices. The number, First, Ultra, Wide, etc., pre
fi
xed or suf
fi
xed to
SCSI indicates the data transfer rate and connector speci
fi
cations.
SDHC
Standard of larger storage SD memory card, which has a capacity exceeding 2 GB
(over 4 GB), though the size is the same as that of conventional memory cards.
SDMI
Secure Digital Music Initiative: This conference was established by hardware
makers, the Recording Industry Association of America (RIAA) and music industry
companies, to protect copyrights of musical compositions.
SDTV / SD
Stands for Standard De
fi
nition Television: Conventional TV format. These terms
are used when comparing with HDTV/HD.
SD Memory Card
Formally named Secure Digital Memory Card. This compact memory card, 32 mm
long × 24 mm wide × 2.1 mm thick, is equipped with an advanced copyright
protection function.
SecureMMC
See Secure MultiMediaCard.
Secure MultiMe-
diaCard
Also referred to as SecureMMC. This compact memory card has multimedia card
speci
fi
cations, to which an advanced copyright protection function is added.
Software
Disc Protect
This function writes the protect information to DVD-RAM disc to prevent
accidental erasure. Software Disc-Protect is included in DVD-RAM disc speci
fi
ca-
tions de
fi
ned by DVD Forum.
STN LCD
Super-Twisted Nematic Liquid Crystal Display: This type of color LCD is inferior to
TFT LCD in coloring, view angle, etc.
T
TFT LCD
Thin Film Transistor Liquid Crystal Display: This type of color LCD features clear
display, high contrast, wide view angle, etc.
U
UDF
Universal Disc Format, which is a
fi
le format of recordable disc de
fi
ned by OSTA.
The revision 2.01 UDF is used on DVD video camera/recorder.
USB
Universal Serial Bus: Standard of serial interface that connects PC and peripheral
devices. Two versions - USB1.1 and USB2.0, with different data transfer rates -
exist at present.
V
VBR
Stands for Variable Bit Rate: This format of coding audio and video varies the
amount of data depending on the subject image.
Etc. +R / +R DL
Digital discs whose speci
fi
cations are established and promulgated by “DVD+RW
Alliance”, which is an industrial group different from “DVD Forum”. +R is record-
able, and +RW is rewritable. They are referred to as DVD+R and DVD+RW. DL
stands for Double Layer (2-layer structure). The storage capacity of DL is 1.8 times
that of the 1-layer-structure disc.
+RW
General Description > List of Abbreviations and Terms
