Sony RDR-HX900 - Manual (Page 109)

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Glossary
Chapter (page 61)
Sections of a picture or a music feature that are
smaller than titles. A title is composed of several
chapters. Depending on the disc, no chapters may
be recorded.
Copy protection signals (page 46)
Copy restriction set by copyright owners, etc.
These signals are included in some software or TV
programs and restrict recording on this recorder.
Dolby Digital (page 90)
Digital audio compression technology developed
by Dolby Laboratories. This technology conforms
to multi-channel surround sound. The rear channel
is stereo and there is a discrete subwoofer channel
in this format. Dolby Digital provides the same
discrete channels of high quality digital audio
found in “Dolby Digital” theater surround sound
systems. Good channel separation is realized
because all of the channel data is recorded
discretely, and little deterioration occurs because
all channel data processing is digital.
DTS (page 90)
Digital audio compression technology by Digital
Theater Systems, Inc. This technology conforms
to multi-channel surround sound. The rear channel
is stereo and there is a discrete subwoofer channel
in this format. DTS provides the same discrete
channels of high quality digital audio.
Good channel separation is realized because all of
the channel data is recorded discretely, and little
deterioration occurs because all channel data
processing is digital.
DVD+RW (page 8)
A DVD+RW (read “plus RW”) is a recordable and
rewritable disc. DVD+RWs use a recording
format that is comparable to the DVD VIDEO
format.
DVD-RW (page 8)
A DVD-RW is a recordable and rewritable disc
that is the same size as a DVD VIDEO. The DVD-
RW has two different modes: VR mode and Video
mode. DVDs created in Video mode have the
same format as a DVD VIDEO, while discs
created in VR (Video Recording) mode allow the
contents to be programmed or edited.
DVD+R (page 8)
A DVD+R (read “plus R”) is a recordable disc that
is the same size as a DVD VIDEO. Contents can
be recorded only once to a DVD+R, and will have
the same format as a DVD VIDEO.
DVD-R (page 8)
A DVD-R is a recordable disc that is the same size
as a DVD VIDEO. Contents can be recorded only
once to a DVD-R, and will have the same format
as a DVD VIDEO.
DVD VIDEO (page 8)
A disc that contains up to eight hours of moving
pictures on a disc the same diameter as a CD.
The data capacity of a single-layer and single-
sided DVD is 4.7 GB (Giga Byte), which is 7
times that of a CD. The data capacity of a double-
layer and single-sided DVD is 8.5 GB, a single-
layer and double-sided DVD is 9.4 GB, and
double-layer and double-sided DVD is 17 GB.
The picture data uses the MPEG 2 format, which
is a worldwide standard of digital compression
technology. The picture data is compressed to
about 1/40 (average) of its original size. The DVD
also uses a variable rate coding technology that
changes the data to be allocated according to the
status of the picture. Audio information is
recorded in a multi-channel format, such as Dolby
Digital, allowing you to enjoy a more real audio
presence.
Furthermore, various advanced functions such as
the multi-angle, multilingual, and Parental
Control functions are provided on the DVD.
, continued