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Additional information 09
49
En
HDMI
HDMI (High-Definition Multimedia
Interface) is a high-speed digital
interface which has the capability to
support standard, enhanced, or high-
definition video plus standard to multi-
channel surround-sound audio on a
single digital connection. HDMI
features include uncompressed digital
video, a bandwidth of up to 5 gigabytes
per second and communication
between the AV source and AV devices
such as DTVs.
ISO 9660
format
International standard for the volume
and file structure of CD-ROM discs.
JPEG
A standard file format used for still
images. JPEG files are identified by the
file extension “.jpg”.
MP3
MP3 (MPEG1 audio layer 3) is a
compressed stereo audio file format.
Files are recognized by their file
extension “.mp3”.
MPEG-4 AAC
MPEG-4 AAC is a compressed stereo
audio file format. Files are recognized
by the extention ‘.m4a’.
Note that some files purchased with
copyright protection (such as files from
the iTunes store) may not playback.
MPEG audio
An audio format used on Video CDs
and some DVD discs.
PBC
(PlayBack
Control)
A system of navigating a Video CD
through on-screen menus recorded
onto the disc.
PCM
(Pulse Code
Modulation)
Digital audio encoding system found
on CDs. Good quality, but requires a lot
of data compared to Dolby Digital, DTS
and MPEG encoded audio. See also
Digital audio
.
Progressive
scan video
All the lines that make up a video
picture are updated in one pass
(compared to interlace which takes two
passes to update the whole picture).
Regions
(DVD-Video
only)
These associate DVD-Video discs and
players with particular areas of the
world. See
DVD-Video regions
on
page 44 for more information.
Sampling
frequency
The rate at which sound is measured to
be turned into digital audio data. The
higher the rate, the better the sound
quality. CD is 44.1 kHz; DVD can be up
to 96 kHz. See also
Digital audio
.
WMA
WMA is short for Windows Media
Audio and refers to an audio
compression technology developed by
Microsoft Corporation. Files are
recognized by their file extension
“.wma”.
WMV
WMV is an acronym for Windows
Media Video and refers to a video
compression technology developed by
Microsoft Corporation. Files are
recognized by the file extension
“.wmv”.
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