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Additional information08
GlossaryMP3MP3 (MPEG1 audio layer 3) is a
compressed stereo audio file format.
Analog audioDirect representation of sound by an Files are recognized by their file
electrical signal. See also Digital audio.extension .mp3.
Aspect ratioThe width of a TV screen relative to its MPEG audioAn audio format used on Video CD/
height. Conventional TVs are 4:3; Super VCDs and some DVD discs.
widescreen models are 16:9.
PBCA system of navigating a Video CD/
Digital audioIndirect representation of sound using (PlayBack Super VCD through on-screen menus
numbers. See also Sampling frequency Control)recorded onto the disc.
and Analog audio.
PCMDigital audio encoding system found on
Dolby A multi-channel audio encoding system (Pulse Code CDs. Good quality, but requires a lot of
Digital*1developed by Dolby Laboratories that Modulation)data compared to Dolby Digital, DTS
enables far more audio to be stored on a and MPEG encoded audio. See also
disc than PCM encoding. See also PCM Digital audio.
1 (Pulse Code Modulation).
Progressive All the lines that make up a video
DRMDRM (Digital Rights Management) copy scan videopicture are updated in one pass
protection is a technology designed to (compared to interlace which takes two
prevent unauthorized copying by passes to update the whole picture).
restricting playback, etc. of material on
RegionsThese associate DVD-Video discs and
devices other the PC (or other WMA
recording equipment) used to record it. players with particular areas of the
world. See DVD-Video regions on
For detailed information, please see the
instruction manuals or help files that page 37 for more information.
came with your PC (or other WMA Sampling The rate at which sound is measured to
recording equipment) and/or software.
frequencybe turned into digital audio data. The
*2higher the rate, the better the sound
DTSA multi-channel audio encoding system
developed by Digital Theater Systems quality. CD is 44.1 kHz; DVD can be up
to 96 kHz. See also Digital audio.
that enables far more audio to be stored
on a disc than PCM encoding. See also
PCM (Pulse Code Modulation).WMAWMA is short for Windows Media Audio
and refers to an audio compression
EXIF A file format developed by Fuji Photo technology developed by Microsoft
Corporation. Files are recognized by
(ExchangeablFilm for digital still cameras. Digital their file extension .wma.
e Image File)cameras from various manuafcturers
use this compressed file format which Microsoft, Windows Media, and the
Windows logo are trademarks, or
carries date, time and thumbnail
information, as well as the picture data.registered trademarks of Microsoft
Corporation in the United States and/or
File A tag added to the end of a filename to other countries.
extensionindicate the type of file. For example,
.mp3 indicates an MP3 file.
*1ISO 9660 International standard for the volume Manufactured under license from Dolby
formatand file structure of CD-ROM discs.Laboratories. ODolby� and the double-D symbol
are trademarks of Dolby Laboratories.
JPEGA standard file format used for still
images. JPEG files are identified by the *2
ODTS� and ODTS Digital Out� are registered file extension .jpg.
trademarks of Digital Theater Systems, Inc.
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