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Dolby Digital (5.1)
Dolby Digital, also designated as AC3, is a digital
sound format, by which up to six seperate audio
channels can be transported. With most of the
current DVDs, the sound is stored in the so called
"Dolby Digital 5.1" format; the "5" in the title "5.1"
stands for three front and two rear surround sound
channels, the "1" for the bass sound chanel.
DTS
DTS is the abbreviation for "Digital Theatre System"
and refers to one of the most common surround
sound formats for DVDs. As with Dolby Digital 5.1,
DTS uses three front and two rear surround sound
channels as well as a bass sound channel.
17.3 What are PAL and NTSC?
PAL
PAL is the abbreviation for "Phase Alternation Line".
PAL is the mid and west Europe (Exception: France,
see the heading "SECAM") customary and most
wide spread colour television standard.
NTSC
NTSC is the abbreviation for "National Television
System Committee". NTSC is a colour television
standard that is primarily used in the USA and
Japan.
17.4 MP3, WMA, JPEG, DivX and
MPEG
MP3
MP3 denotes a process and/or format developed
by the Fraunhofer Institute for the compression of
audio data. In the MP3 format compressed music
pieces are only a fraction of their original size,
which, for example, on CD-Rs/CD-RWs allows for
storage of a considerably greater volume of music
than on commercially available audio CDs, on
which audio data is stored in the CDA format.
The structure of an MP3-CD can, for example, appear
as follows, if the MP3 data is stored in files:
WMA
WMA ("Windows® Media Audio") is a data format
developed by Microsoft® for audio data.
JPEG
JPEG ("Joint Photographics Expert Group") denotes
a wide spread graphic format, developed by the
organization with the same name, with which image
data of the colour and grey scales are compressed.
DivX
DivX is a coding format for videos and multimedia
data, invented by the DivX Networks, Inc company.
MPEG
MPEG ("Moving Picture Experts Group") refers to
a video compression format.
17.5 What are files?
As opposed to audio CDs the title on a CD-R/CD-RW
with MP3-, WMA- or JPEG data can be stored in
files, for example, in order to file titles from different
genres.
ORDNER
MP3
MP3-CD
FOLDER
IB_KH6500_V5557_UK_V2_EN.qxd 21.08.2007 12:34 Uhr Seite 34