● The video system automatically disables its internal echo cancellation processing.
Support for QSC Core Series and Biamp Audio Processors
You can connect QSC Core Series and Biamp audio processors to your G7500, Studio X70, Studio
X52, or Studio X50 system using a USB-A or USB-C port. This is a preview feature that may be
removed or changed in a future release.
NOTE:
● Once connected to the system, the processor handles all audio.
● In Poly provider mode the video system’s 3.5mm stereo input will remain active unless you
select Play to Far Sites, Mute Controller, Echo Cancelled.
● You can’t use speakers that aren’t connected to the processor.
● The video system automatically disables its internal echo cancellation processing except in
Zoom Rooms mode.
Using the EagleEye Cube USB Camera Microphone
With a G7500 system, you can use the Poly EagleEye Cube USB camera as a microphone if you
don’t connect other microphones to the system.
Connect a USB Audio Device to the System
To use a USB audio device with the system, enable USB audio.
1. In the system web interface, go to Audio/Video > Audio > General Audio Settings.
2. Select the Enable USB Audio check box.
Audio I/O Specifications
The following table provides audio input and output specifications for your system.
Table 8-2
G7500 System Audio I/O Specifications
Characteristic Value
Maximum input level, line input +6 dBV (2.0 V
RMS
), ± 1 dB
Input impedance, line input 45 kΩ, ± 5 %
Maximum output level, line output (≥ 600 Ω load) +6 dBV (2.0 V
RMS
), ± 1 dB
Output impedance, line output 150 Ω, ± 5 %
Signal-to-noise ratio: Line input routed to line output >85 dB, A-weighted
Signal-to-noise ratio: HDMI input routed to either HDMI output >95 dB, A-weighted
Dynamic range: Line input routed to line output >85 dB, A-weighted
Dynamic range: HDMI input routed to either HDMI output >95 dB, A-weighted
Crosstalk and feed-through (any input or output channel to any other channel) ≤-80 dB, 20 Hz to 20 kHz
Frequency response (any input to any output, relative to 997 Hz) +1, -3 dB, 50 Hz to 20 kHz
Support for QSC Core Series and Biamp Audio Processors 83
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