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•
d. The
VAGC Max Gain (dB)
field, enter the maximum amount of gain VAGC will apply for receive
audio to remain at or above the
VAGC Low Target (dB)
. Range: 0 to 23 dB. Default: 20 dB.
e. In the
VAGC Threshold (dB)
field, enter the minimum decibel level where VAGC begins to apply gain
to receive audio. Range: –65 to –20 dB. Default: –20 dB.
IMPORTANT
Use caution when setting these fields. Avtec recommends first adjusting the
Windows Input
Level (%)
and
Mic Gain (dB)
fields before attempting to adjust any VAGC setting.
Mic Gain (dB)
adjustments should only be made in small increments.
10. Enter the level the Software Media Workstation outputs audio to the external audio interface in the
Output
Level (dB)
field. Range: –40 to 0 dB. Default: –10 dB.
11. In the
Output Level (dB)
field, enter the level, as a percentage, of the audio coming from the media workstation
to the external audio interface. Range: 0 to 100. Default: 35.
12. Under the
Scout IRR Settings
section, from the
Audio Payload Type
dropdown, select the codec used for
transmitting VoIP audio toward the Scout IRR. Default: G.711.
13. In the
Jitter Delay (ms)
field, enter the amount of time in milliseconds that the Scout IRR should wait before
decoding VoIP packets from this device. Range: 40 to 2500. Default: 60.
14. From the
Voice Activity Detection
dropdown, select whether or not the transmission of VoIP packets toward
the Scout IRR is based on the presence of voice in the audio stream. Default: DISABLED.
15. Click
Update
.
Configuring the Endpoint for NENA Devices
1. From Scout Manager's
Configuration
tab, in the
Endpoints
folder, select
Add New
>
Endpoint
.
2. Right-click the new endpoint that displays under the
Endpoints
folder and select
Properties
(or double-click the
new endpoint).
The
Endpoint Editor
dialog box displays.
3. Configure the endpoint's settings as appropriate. Verify that the
Endpoint Profile
that you assign to this
endpoint is consistent with the way you want the endpoint to operate.
IMPORTANT
This endpoint is considered a "media workstation endpoint" and not a "VPGate endpoint" because the
interface is directly connected to the console through a USB cable, and not through a VPGate. The
Name
you assign to this endpoint should be unique from other VPGate endpoints that are on the same domain.
10
Avtec USB NENA Jack Box Configuration Guide
| October 2021 | Revision 9
