Linear Acoustic LQ-1000 User Guide
Connections and Quick Setup
10
2.3
Rear Panel
The rear panel of the LQ-1000 contains its electrical I/O.
2.3.1
Connection Ports
All of the LQ-1000’s connections are on the rear panel and are described in detail below.
See Chapter 6:
Specifications
for specific pinouts.
Figure 2-1
Rear Panel
•
Main In
: Connect the 48kHz PCM signals to these inputs. The input channels are ar-
ranged as follows: 1/2 = Left front/Right front, 3/4 = Center/LFE, 5/6 = Left sur-
round/Right surround. 7/8 is for an addi2 program, or can be left
unconnected and an internal downmix can be created.
NOTE:
Appropriate reference must be selected for proper operation.
•
Main Audio Output:
Main 48kHz processed digital audio outputs with same channel
configuration as the inputs on 1-6. The output of the extra 2 program is avail-
able on 7/8 or a compatible LtRt downmix of the main program can be selected.
•
Metadata I/O:
RS-485 connection accepts the metadata output of any Dolby equip-
ment (DP572, DP570, etc...) or any Dolby-compatible metadata source. Metadata is
currently only used for limited display in the “System Info” menu.
•
SDI Input:
Any of the 16 possible audio channel from an applied HD/SD-SDI signal
can be de-embedded and used in place of or along with AES inputs. This can be se-
lected in the System Options->I/O Options menu on a pair-by-pair basis.
•
SDI Output:
Up to 16 audio channels, including the Main outputs and audio channels
present in the applied SDI signal can be re-embedded. Channels in the SDI stream can
also be passed through in a bit-accurate manner, allowing pre-encoded Dolby E or AC-
3 bitstreams to pass untouched. AES outputs remain active in parallel with embedded
audio.
Summary of Contents for LQ-1000
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