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11
Connection
Notes when connecting the optical digital cable
ÁRemove the dust protection cap from the connector and
connect the cable firmly so that configurations of both the
cable and the connector match.
ÁKeep the dust protection cap and always reattach the cap
when not using the connector to protect against dust.
Disc
DVD
Video
CD
CD
Sound
recording
format
Dolby Digital
(AC-3)
Linear PCM
(48/96 kHz
16/20/24 bit)
MPEG
MPEG 1
Linear PCM
Optical/coaxial digital
audio output from
connector
Dolby Digital bitstream
(2–5.1ch) or PCM (2ch)
(48 kHz/16 bit)
\1
Linear PCM (2ch)
(48 kHz sampling/16 bit
only)
\2
or no output
\1
MPEG audio bitstream or
PCM (2ch) (16 bit)
\1
PCM
(44.1 kHz sampling)
Linear PCM
(44.1 kHz sampling)
\1
The type of audio output from the connector can be select-
ed by the initial settings. (See page 37.)
\2
Sound having 96 kHz sampling converted into 48 kHz sam-
pling when it is output from the unit’s optical/coaxial digital
audio output connector.
For your reference:
ÁDolby Digital (AC-3) is a digital sound compression tech-
nique developed by the Dolby Laboratories Licensing Cor-
poration.
Supporting 5.1-channel surround sound, as well as stereo
(2-channel) sound, this technique enables a large quantity
of sound data to be efficiently recorded on a disc.
ÁLnear PCM is a signal recording format used in CDs. While
audio CDs are recorded in 44.1 kHz/16 bit, DVDs are re-
corded in 48 kHz/16 bit up to 96 kHz/24 bit.
ÁIf you have a Dolby Pro Logic Surround decoder, you will
obtain the full benefit of Pro Logic from the same DVD mov-
ies that provide full 5.1-channel Dolby Digital soundtracks,
as well as from titles with the Dolby Surround mark.
Concerning the audio output from the unit’s optical/coax-
ial digital audio output connector
Dust protection cap
Caution for the optical/coaxial digital au-
dio output connector:
ÁDo not connect an amplifier (with an optical/coaxi-
al digital input connector) which does not contain
the Dolby Digital (AC-3) or MPEG audio decoder.
ÁOtherwise any attempt to play DVDs may cause to
such a high level of noise that it may be harmful to
your ears and damage your speakers.
ÁVideo CDs and CDs can be played as they would nor-
mally be played.
Manufactured under license from Dolby Laboratories.
“Dolby” and the double-D symbol are trademarks of
Dolby Laboratories. Confidential Unpublished Works.
j 1992–1997 Dolby Laboratories, Inc. All rights re-
served.