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Additional Information
Bit rate (page 44)
Value indicating the amount of video data compr essed in
a DVD per second. The unit is Mbps (Mega bit per
second). 1 Mbps indicates that the data per second is
1,000,000 bits. The higher the bit rate, the lar ger the
amount of data. However , this does not always mean that
you can get higher quality pictur es.
Chapter (page 7)
Sections of a pictur e or a music piece on a DVD that ar e
smaller than titles. A title is composed of several chapters.
Each chapter is assigned a chapter number enabling you
to locate the chapter you want.
Dolby Digital (pages 14, 64)
Digital audio compr ession technology developed by
Dolby Laboratories. This technology conforms to 5.1-
channel sur round sound. The r ear channel is ster eo and
ther e is a discr ete subwoofer channel in this for mat.
Dolby Digital pr ovides the same 5.1 discr ete channels of
high quality digital audio found in Dolby Digital cinema
audio systems. Good channel separation is r ealized
because all of the channel data is r ecorded discretely and
processed in digital.
Dolby Pro Logic (pages 37, 64)
Audio signal pr ocessing technology that Dolby
Laboratories developed for sur round sound. When the
input signal contains a sur round component, the Pr o
Logic process outputs the fr ont, center and r ear signals.
The rear channel is monaural.
DTS (pages 14, 64)
Digital audio compr ession technology that Digital Theater
Systems, Inc. developed. This technology conforms to 5.1-
channel sur round. The r ear channel is ster eo and ther e is
a discrete subwoofer channel in this for mat. DTS provides
the same 5.1 discr ete channels of high quality digital
audio. Good channel separation is r ealized because all of
the channel data is r ecorded discretely and pr ocessed in
digital.
DVD (page 6)
A disc that contains up to 8 hours of moving pictur es even
though its diameter is the same 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 dual-layer and single-sided DVD is 8.5
GB, a single-layer and double-sided DVD is 9.4 GB, and a
dual-layer and double-sided DVD is 17 GB.
The picture data uses the MPEG 2 for mat, one of the
worldwide standar ds of digital compr ession technology .
The picture data is compr essed to about 1/40 of its
original size. The DVD also uses a variable rate coding
technology that changes the data to be allocated accor ding
to the status of the pictur e.
Audio data is r ecorded in Dolby Digital, DTS or MPEG
audio, as well as in PCM, allowing you to enjoy a mor e
real audio pr esence.
Further more, various advanced functions such as the
multi-angle, multilingual, and Par ental Contr ol functions
are provided with the DVD.
Film based software (page 65, 66)
DVDs can be classified as Film based or V ideo based
softwar e. Film based DVDs contain the same images (24
frames per second) that ar e shown at movie theatr es.
Interlace format (page 66)
Interlace format shows every other line of an image as a
single "field" and is the standar d method for displaying
images on television. The even number field shows the
even number ed lines of an image, and the odd number ed
field shows the odd number ed lines of an image.
MPEG audio (page 64)
International standar d coding system used to compr ess
audio digital signals authorized by ISO/IEC. MPEG 1
confor ms to up to 2-channel ster eo. MPEG 2 used on
DVDs conforms to up to 7.1-channel sur round.
Multi-angle function (page 39)
Various angles for the scene (viewpoints of the video
camera) ar e recorded on some DVDs.
Multilingual function (pages 39, 55)
Several languages for the audio track or subtitles in a
picture are recorded on some DVDs.
Glossary