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DRM (Digital Rights Management)
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.
DTS
DTS stands for Digital Theater System. DTS is a surround
system different from Dolby Digital that has become a
popular surround sound format for movies.
“DTS” and “DTS Digital Out” are registered trademarks of
Digital Theater Systems, Inc.
Dynamic range
The difference between the quietest and loudest sounds
possible in an audio signal (without distorting or getting
lost in noise). Dolby Digital and DTS soundtracks are
capable of a wide dynamic range, delivering dramatic
cinema-like effects.
EXIF (Exchangeable Image File)
A file format developed by Fuji Photo Film for digital still
cameras. Digital cameras from various manufacturers
use this compressed file format which carries date, time
and thumbnail information, as well as the picture data.
File extension
A tag added to the end of a filename to indicate the type
of file. For example, “.mp3” indicates an MP3 file.
ISO 9660 format
International standard for the volume and file structure of
CD-ROM discs.
JPEG
A file format used for still images, such as photographs
and illustrations. JPEG files are identified by the file
extension “.jpg” or “.JPG”. Most digital cameras use this
format.
MP3
MP3 (MPEG1 audio layer 3) is a compressed audio file
format. Files are recognized by their file extension “.mp3”
or “.MP3”.
MPEG audio
An audio format used on Video CDs and some DVD
discs. This unit can convert MPEG audio to PCM format
for wider compatibility with digital recorders and AV
amp/receivers. See also
PCM
.
MPEG video
The video format used for Video CDs and DVDs. Video CD
uses the older MPEG-1 standard, while DVD uses the
newer and much better quality MPEG-2 standard.
Optical digital output
A jack that outputs digital audio in the form of light
pulses. Connect components with optical digital jacks
using a special optical cord, available from specialist
audio dealers.
PCM (Pulse Code Modulation)
The most common system of encoding digital audio,
found on CDs and DAT. Excellent quality, but requires a
lot of data compared to formats such as Dolby Digital
and MPEG audio. For compatibility with digital audio
recorders (CD, MD and DAT) and AV amp/receivers with
digital inputs, this unit can convert Dolby Digital and
MPEG audio to PCM. See also
Digital audio
.
PBC (PlayBack Control) (Video CD only)
A system of navigating a Video CD through on-screen
menus recorded onto the disc. Especially good for discs
that you would normally not watch from beginning to end
all at once—karaoke discs, for example.
Progressive scan video
Also called non-interlaced video, this method of
displaying a picture updates all the lines in one pass,
resulting in a more stable, flicker-free image than
interlaced video (for a given scanning rate).
PureCinema
Video on a DVD disc may be either video material
(originally shot on video) or film material (originally shot
on film). Video material has a frame rate of 30 frames/
second, compared to 24 frames/second for film. This
recorder converts film material to 60 frames/second (in
progressive scan mode). PureCinema adjusts the picture
so that it matches more closely the picture quality of a
cinema screen.
You can see whether video on a DVD disc is film or video
material by displaying the transfer rate. If a ‘#’ appears
above the transfer rate display, it is film material.
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