2 For Audio Input Level, set the left and right channel levels by choosing a value from 0 to 10.
The audio meters display the input’s left and right channel levels.
Configure 3.5 mm Audio Input
Specify how the system routes and controls audio from the 3.5 mm stereo input.
The Studio X30 doesn't support 3.5 mm audio input.
Task
1 In the system web interface, go to Audio/Video > Audio > Audio Input > 3.5 mm.
2 For Audio Input Level, set the left and right channel levels by choosing a value from 0 to 10.
The audio meters display the input’s left and right channel levels.
3 Choose one of the following Playback Options:
Playback Options
Option Description Result
Playback to All Locations Select this option if you’re sending audio
from a device.
• Near and far sites hear the 3.5 mm
stereo input.
• You can’t mute audio or control echo
cancellation.
Playback to Far Sites Select this option if you’re using an
external digital signal processor (DSP),
such as Polycom SoundStructure, which
provides mute controls and echo
cancellation.
• Only far sites hear the 3.5 mm stereo
input (there is no associated video
content).
• You can’t mute audio or control echo
cancellation through the system.
Playback to Far Sites, Mute Controlled Select this option if you want to perform
activities like sharing music from a mobile
phone to call participants.
• Only far sites hear the 3.5 mm stereo
input (there is no associated video
content).
• You can mute audio but can’t control
echo cancellation.
Playback to Far Sites, Mute Controlled,
Echo Cancelled
Select this option if you’re using a line-
level microphone.
Note: The microphone must provide the
line-level signal to work.
• Only far sites hear the 3.5 mm stereo
input (there is no associated video
content).
• You can mute audio and control echo
cancellation.
• Mic-level inputs aren’t supported.
Using Poly Trio Microphones
The video system automatically configures Poly Trio microphones when you pair the phone.
Note: Poly Trio microphones are disabled by default if your system is using Microsoft Teams.
You can only use the following microphones in addition to the Poly Trio microphones:
• Poly Trio Expansion Microphones
• Studio X50 and Studio X30 built-in microphones (speaker locating only)
Also note the following when using Poly Trio microphones with your video system:
• You can’t use Poly IP audio devices, including table and ceiling microphones and the microphone adapter.
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