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7700 MultiFrame Manual
7736CD2 Dual Composite Decoder
8.5.
CONFIGURING THE AUDIO CONTROLS (-A4 and -A8)
The Audio menu is used to configure parameters associated with the audio inputs and the audio
multiplexing. The chart below shows the items available in the Audio menu. The following sections provide
detailed information about each of the parameters. Many of the menu items are the same for the channel
½ and ¾ channel pairs (-A4 version) or channel 1/2/3/4 and channel 5/6/7/8 (-A8 version). For simplicity
only the menu items for the channel 1/2/3/4 are shown in the manual.
Loss of video
Audio destination
Audio delay
Audio buffer
Ch 1 adjust
Ch 2 adjust
Ch3 adjust
Ch4 adjust
Ch1/ch2
processing
Ch3/Ch4
processing
8.5.1. Selecting the Audio Destination Group
Audio
Loss of video
Mute
Pass
8.5.2. Selecting the Audio Destination Group
Audio
Audio
destination
Group 1
Group 2
Group 3
Group 4
None
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Selects the action to take when input video is missing.
Selects the destination group of audio.
Additional, user desired, delay may be added to the audio.
The audio buffer management status may be monitored with this item.
Channel 1 level control.
Channel 2 level control.
Channel 3 level control.
Channel 4 level control.
Controls whether the channel 1 and 2 (L/R) inputs will be swapped.
Controls whether the channel 3 and 4 (L/R) inputs will be swapped.
This control selects the action to take when the input video is not applied. The
output audio will either be muted or processing will continue as normal. Both the
AES outputs and the multiplexed audio are affected.
Warning: When set to Pass and input video is removed, the audio buffer will
change delay creating a pitch change in the audio. Do not expect to use the
audio for high quality applications when the video is removed.
Up to 4 groups of audio may be embedded on SDI video. This control selects
the group ID of the multiplexed output audio. The input audio will be put in this
group. When set to None, the audio will only be available on the AES output.
The –A4 has only one stereo pair per group. A copy of this stereo pair is placed
in audio positions 3 and 4 within the group.
Revision 1.0.4
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