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Installation Preparation
CineWall™ Installer/Integrator Manual 17
PRE
L
IMINAR
Y
Also confirm that doorways and elevators (if used) provide sufficient clearances:
Audio/Video
Synchronization Issues
Due to its extraordinarily high level of video processing performance, the DHD Controller
may distribute video signals with a perceptible level of audio latency. In order to easily
solve this issue, Runco recommends using the DHD Controller with a high-quality audio
receiver that has the ability to effectively synchronize audio and video signals.
Most mainstream audio receiver/switchers have the ability to synchronize the audio and
video to the Advanced Television Systems Committee (ATSC) prescribed tolerances.
According to the ATSC, the sound program should never lead the video program by more
than 15 milliseconds, and should never lag behind the video program by more than 45
milliseconds.
In addition, many A/V receivers introduce additional latency that needs to be
compensated for during the installation.
Table 3-1 shows the amount of possible audio
latency given different signal input timings.
Do not store or transport the CineWall on its side! It should only
be placed on its side if absolutely necessary during loading and
unloading.
min. 2,000 mm
min. 900 mm
Depth
Height
Width
900
2,000
2,800
900
1,700
2,700
900
2,700
1,700
900
2,800
2,000
Minimum Doorway/Elevator Clearances
WARNING
Table 3-1. Possible Audio Latency for Various Input/Output Timings
Input Timing Possible Audio Latency (milliseconds)
480i 133
480p 83
576i 160
576p 100
720p/50 100
720p/60 83