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Definition of Terms
Dolby Digital
This fully discrete format divides the music signals into
5.1 channels: Front Left (L), Front Right (R), Center (C),
Left Surround (LS), Right Surround (RS) and Subwoofer
(SW: 0.1 channel) for recording and playback. The
number of channels that are recorded depends on the
software. (1 to 5.1 channels)
Dolby Pro Logic
II
Dolby Pro Logic
II
creates five full-bandwidth output
channels from two-channel sources. This is done using
an advanced, high-purity matrix surround decoder that
extracts the spatial properties of the original recording
without adding any new sounds or tonal colorations.
dts
This format requires more data than Dolby Digital, and
provides higher quality surround playback.
Similar to Dolby Digital, this fully discrete format divides
the music signals into 5.1 channels: Front Left (L), Front
Right (R), Center (C), Left Surround (LS),
Right Surround (RS) and Subwoofer (SW: 0.1 channel)
for recording and playback.
Interactive DVD
An interactive DVD is DVD software which
includes multiple angles, multiple plot endings,
etc.
Letterbox screen
This refers to screen on which the playback
picture of wide-screen DVDs or Video CDs
appears with black bands running along the top
and bottom.
LPCM (Linear PCM audio)
In this format, the audio signal is converted to
digital data and recorded in two channels
without compression. Because the capacity of a
DVD video disc is large, it can store more data
with better accuracy than a CD.
Pan & Scan screen
This refers to a screen on which the playback
picture of wide-screen DVDs or Video CDs is cut
off at the left and right sides.
Playback Control (Video CD)
When a video CD package is labeled as “sup-
ports playback control”, etc., the user can
display a menu screen on the TV and interac-
tively access certain scenes and information.
Title, Chapter (DVD)
DVDs are divided into some large sections
(titles) or some small sections (chapters). Each
section is numbered; these numbers are called
“Title number” or “Chapter number”.
Track (Video CD/CD)
Video CDs or CDs are divided into some sections
(tracks). Each section is numbered; these
numbers are called “Track number”.
Manufactured under license from Dolby
Laboratories. “Dolby”, “Pro Logic”, and the
double-D symbol are trademarks of Dolby
Laboratories.
Manufactured under license from Digital
Theater Systems, Inc. US Pat. No. 5,451,942
and other world-wide patents issues and
pending. “DTS” and “DTS Digital Surround”
are trademarks of Digital Theater Systems,
Inc.
C
1996 Digital Theater Systems, Inc. All
rights reserved.
Title 1
Title 2
Chapter1
Chapter2
Chapter1
……
……
Track1
Track2
……
Track3
Track
“DTS” and “DTS Digital Surround” are
trademarks of Digital Theater Systems, Inc.
