JBL SDP-3 Installation & Technical Manual page 27

Digital surround processor/controller
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System
Configuration
18
The SDP-3 V-DISC input is selected. A movie encoded in Dolby
Surround is put in the laser disc player and starts to play. The SDP-RFD
recognizes that the movie is not AC-3 encoded, and automatically
routes the laser disc player's PCM (2-channel digital) signal to the SDP-
3. The SDP-3 identifies the signal as PCM and automatically loads the
LOGIC 7 effect (as specified in the INPUT CONFIG menu).
Now, assume the movie is replaced with one that is encoded in Dolby
Digital (AC-3). When it begins to play, the SDP-RFD recognizes the
signal as being AC-3 encoded and demodulates it for the SDP-3. The
SDP-3 automatically loads the 5.1 Logic 7 effect.
The FX
and
buttons are used to audition the other available AC-
3 effects and 5.1 DOLBY is selected. At some point during the movie,
the PAUSE button on the laser disc player is pressed. This causes the
laser disc player to temporarily replace the AC-3 output signal with a
PCM signal. This change is recognized by the SDP-3, which automati-
cally loads the Logic 7 effect (because in this example, AUTOMATIC is
selected as the setting of FX FORMAT and LOGIC 7 is selected as the
PCM FX in the INPUT CONFIG menu). Because the laser disc is
paused, there is no audio. When PAUSE is released, playback is
resumed and the SDP-3 automatically reselects the 5.1 DOLBY effect
because it was the last effect selected before the audio was paused. To
go back to the default effect, simply press the input button.
Now, the movie is replaced with a 5" music disc that is encoded in DTS.
When the disc begins to play, the SDP-RFD recognizes that it is not AC-
3 encoded, and automatically routes the signal to the SDP-3. The SDP-
3 recognizes the DTS signal and automatically loads the DTS LOGIC 7
effect*. The FX
and
DTS effects and DTS MUSIC is selected. At some point, the skip button
on the laser disc player is pressed several times to advance to a different
track . This causes the laser disc player to temporarily replace the DTS
output signal with a PCM signal while it searches for the selected track.
This change is recognized by the SDP-3, which automatically loads the
Logic 7 effect (because in this example, AUTOMATIC is selected as the
setting of FX FORMAT and Logic 7 is selected as the PCM FX in the
INPUT CONFIG menu). Because the disc player is searching, there is
no audio. When playback is resumed, the SDP-3 automatically
reselects the DTS MUSIC effect.* To go back to the effect selected as
a default, simply press the input button.
* As the SDP-3 is in AUTOMATIC mode, there may be a brief burst of noise before normal
playback begins.
buttons are used to audition the other available
JBL Synthesis

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