Chapter 9:
STANDARD 365-095-33577 Revision x.1 IPC4100 Release 1.0 Installation and Operation Guide
30
Field Description
Note: Adjusting these settings could result in a loss of video. Only a
professional installer or someone with a good working knowledge of
the color spaces supported by the TV should change this setting.
Audio Output The Audio Output setting allows you to specify the digital audio
format delivered over the HDMI output by the IPC4100.
The options are used as follows:
Auto (default) —The IPC4100 will provide the digital audio format
specified by the connected device (TV or home theater receiver)
when that device was first connected to the IPC4100.
L-PCM — The IPC4100 will provide all audio in the Linear Pulse Code
Modulation digital audio format. The L-PCM format is widely
supported by most HDMI televisions and home theater receivers.
Pass-Through — The IPC4100 will provide the same digital audio
format on the HDMI output as is provided with the program being
viewed at that time. For example, if the program has a Dolby Digital
soundtrack, the IPC4100 will pass the Dolby Digital audio to the
HDMI output. This option is most useful when connecting the
IPC4100 to a home theater receiver that has HDMI switching
capability.
Note: Adjusting these settings could result in a loss of audio. Only a
professional installer or someone with a good working knowledge of
the digital audio formats supported by the TV and/or home theater
receiver should change this setting.
Lip Sync The Lip Sync setting allows you to adjust the amount of time the
audio signal is delayed with respect to the video signal on the HDMI
output. Some HDMI televisions and home theater receivers add an
extra delay to the video signal during processing which can produce
an effect where the audio noticeably "leads" the video.
By default, this option is set to Auto. The options are used as
follows:
Auto — The IPC4100 will automatically delay the audio signal on the
HDMI output by the amount of time requested by the connected
HDMI device.
Manual — The IPC4100 will delay the audio signal on the HDMI
output by the amount of time selected for the Lip Sync Delay
setting.
Off — The IPC4100 will not delay the audio signal on the HDMI
output.
Lip Sync Delay The Lip Sync Delay setting is only available when the Lip Sync option
has been set to Manual. The Lip Sync Delay setting can be adjusted
between 0 milliseconds (msec) and 500 milliseconds in 50
millisecond increments.
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