Extron electronics MediaPort 300 User Manual page 77

These line inputs typically carry program material. Besides the gain adjustments on
the Input page, the controls in this panel adjust post-input gain. The program mix
that is set in this panel is sent to the Line and USB outputs. Setting the program mix
levels at the post-input gain point sends the same mix to both outputs. The mix of
line input sources made in the program mix panel is also sent to the far end panel,
with the exception that the level-to-far-end program mix does not include far end
communications audio from the computer.
Mix to Far End Panel (see
4
program levels, which create the mix that goes to the far end.
Set these levels during a soft conference call, utilizing verbal feedback from individuals
located at the far end. The signal level of this audio mix can be viewed using the meters
at the bottom of the USB panel on the Output page (on the PCS main window, click the
Audio Config button, then the Output tab).
If the input gain is set up properly, setting levels higher than 0 dB is generally not
necessary. Program audio can be set to the same level as mic audio, or slightly lower.
If program audio is played at the same time that someone is talking, use ducking to
lower the program audio level during speech (see
processor returns the program audio to its original level when talking stops.
At the bottom of the Mix to Far End panel is the Include Line In 2 checkbox. When
this box is checked (default) the Line In 2 audio is mixed to the USB output and is sent
to the far end. When the box is unchecked, Line 2 audio is not sent to the far end.
Setting the mix to the far end
The Mic master fader (see
figure
panel create the mix of program and microphone audio that is sent to the far end via the
USB output. For best results, adjusting these masters during an active conference to
achieve a proper blend of mic and program material, providing clear, undistorted audio to
the far end.
These settings can be adjusted during a soft codec conference if needed (for example, if
the participants at the far end notice that one audio type is louder than the other). Set this
mix level while the talkers at the near end and far end are speaking at a normal levels for
conferencing, and when program material is being played at the far end.
MediaPort 300 HDMI and Audio to USB Scaling Bridge • Standalone Application Setup
figure 51 on page 68) — Contains controls for mic and
Ducking
) and Program fader (
51, 5
on page 45). The ducking
) in the Mix to Far End
6
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