Glossary - Pioneer DV-578A Operating Instructions Manual

Additional information

Glossary

Analog audio Direct representation of sound by an
electrical signal. See also Digital audio.
Aspect ratio
The width of a TV screen relative to its
height. Conventional TVs are 4:3;
widescreen models are 16:9.
Bonus Group
An 'extra' group on some DVD-Audio
(DVD-Audio
discs that requires a key number to
only)
access.
Browsable
A feature of some DVD-Audio discs in
pictures
which the user can browse still pictures
(DVD-Audio
recorded on the disc as the audio is
only)
played. See also Slideshow.
Digital audio Indirect representation of sound using
numbers. See also Sampling frequency
and Analog audio.
Dolby
A multi-channel audio encoding system
*1 developed by Dolby Laboratories that
Digital
enables far more audio to be stored on a
disc than PCM encoding. See also PCM
1
(Pulse Code Modulation).
DRM
DRM (Digital Rights Management) copy
protection is a technology designed to
prevent unauthorized copying by
restricting playback, etc. of material on
devices other the PC (or other WMA
recording equipment) used to record it.
For detailed information, please see the
instruction manuals or help files that
came with your PC (or other WMA
recording equipment) and/or software.
*2 A multi-channel audio encoding system
DTS
developed by Digital Theater Systems
that enables far more audio to be stored
on a disc than PCM encoding. See also
PCM (Pulse Code Modulation).
EXIF
A file format developed by Fuji Photo
(Exchangeabl
Film for digital still cameras. Digital
e Image File)
cameras from various manuafcturers
use this compressed file format which
carries date, time and thumbnail
information, as well as the picture data.
File
A tag added to the end of a filename to
extension
indicate the type of file. For example,
".mp3" indicates an MP3 file.
ISO 9660
International standard for the volume
format
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 audio
An audio format used on Video CD/
Super VCDs and some DVD discs.
Packed PCM
A lossless compression system that
(DVD-Audio
enables more PCM audio to be stored
only)
on a DVD-Audio disc than would
otherwise be possible.
PBC
A system of navigating a Video CD/
(PlayBack
Super VCD through on-screen menus
Control)
recorded onto the disc.
PCM
Digital audio encoding system found on
(Pulse Code
CDs. Good quality, but requires a lot of
Modulation)
data compared to Dolby Digital, DTS
and MPEG encoded audio. See also
Digital audio.
Progressive
All the lines that make up a video
scan video
picture are updated in one pass
(compared to interlace which takes two
passes to update the whole picture).
Regions
These associate DVD-Video discs and
(DVD-Video
players with particular areas of the
only)
world. See DVD-Video regions on
page 47 for more information.
Sampling
The rate at which sound is measured to
frequency
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.
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