Using 3.5 Mm Audio Output; Audio I/O Specifications - Polycom G7500 Administrator's Manual

Setting
Treble
Output Mode
Audio Meter (dB)

Using 3.5 mm Audio Output

If you want to use the 3.5 mm stereo line output to hear audio in the room, make sure you mute the
monitor(s) connected to your G7500 system through HDMI.

Audio I/O Specifications

The following table provides audio input and output specifications for your G7500 system.
G7500 Audio I/O Specifications
Characteristic
Maximum input level, line input
Input impedance, line input
Maximum output level, line output (≥ 600 Ω load)
Output impedance, line output
Signal-to-noise ratio: Line input routed to line output
Signal-to-noise ratio: HDMI input routed to either HDMI output
Dynamic range: Line input routed to line output
Dynamic range: HDMI input routed to either HDMI output
Crosstalk and feed-through (any input or output channel to any other
channel)
Frequency response (any input to any output, relative to 997 Hz)
Total harmonic distortion + noise vs. frequency
Polycom, Inc.
Configuring Audio Settings
Description
Sets the volume level for high frequencies without
changing the master audio volume.
Specifies how the system configures the volume for
a device connected to the line out port.
▪ Variable: Enables users to set the volume with
the remote control.
▪ Fixed: Sets the volume to the audio level
configured for the system.
Displays the audio level of the output (left and right
channels).
Value
+6 dBV (2.0 V
45 kΩ, ± 5 %
+6 dBV (2.0 V
150 Ω, ± 5 %
>85 dB, A-weighted
>95 dB, A-weighted
>85 dB, A-weighted
>95 dB, A-weighted
≤-80 dB, 20 Hz to 20 kHz
+1, -3 dB, 50 Hz to 20 kHz
Better than -75 dB, 50 Hz to 20 kHz
), ± 1 dB
RMS
), ± 1 dB
RMS
75