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Pearl Mini User Guide
Adjust audio gain and delay
of audio input devices. You should add the suggested gain to the audio input to get an average signal to
register at a nominal level in the VU meter (i.e. where the green bars change to yellow). The actual amount of
gain needed depends on the strength of the original audio signal.
Table 23
Audio input port gain guidelines
Audio source
Input
port
Gain
Dynamic microphone
XLR
Add +50 to +60 dB gain to the audio input port.
Electret microphone
XLR
Add +18 to +40 dB gain to the audio input port.
3.5 mm
Add +6 to +12 dB gain to the audio input port.
Wireless microphone
receiver
XLR
Add +18 to +40 dB gain to the audio input port.
3.5 mm
Add +6 to +12 dB gain to the audio input port.
Condenser microphone
with phantom power
XLR
Add +40 to +60 dB gain to the audio input port.
Mobile phone or other
consumer line level device
TRS
Add +6 to +12 dB gain to the audio input port.
XLR
Add +6 to +12 dB gain to the audio input port.
RCA
1
Nominal
Professional mixer
TRS
Nominal
XLR
Nominal
RCA
Not recommended.
1 To avoid unwanted signal noise on the RCA ports, we recommend adding no more than 12dB of gain to the RCA ports.
Ensure the audio input source is connected to an analog audio input port on Pearl Mini before proceeding.
To adjust the gain and delay for an audio source:
1. Login to the Admin panel as
admin
.
2. From the Inputs menu, select an audio source. The audio configuration page for the audio source
opens.
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Страница 117: ...Pearl Mini User Guide Disable the network discovery utility 105 ...
Страница 137: ...Pearl Mini User Guide Mute audio 4 Click Apply 125 ...
Страница 149: ...Pearl Mini User Guide Mirror the video output port display 137 ...
Страница 187: ...Pearl Mini User Guide Delete a configuration preset 175 ...
Страница 309: ...Pearl Mini User Guide Use RTMPS for a Kaltura webcasting event 297 ...
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