2n Helios IP Configuration Manual v2.7 Manuel d'utilisateur Page 42

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5.3.3 Microphone
Set the microphone and line audio input volume parameters in this intercom
configuration section. The microphone volume settings are closely associated with the
speaker sensitivity parameters and intercom installation site conditions, which affect
the general audio reproduction and recording quality. If you notice a deteriorated audio
quality, please read the subsection carefully too to set the intercom audioSpeaker
parameters on your installation site properly.
List of Parameters
Microphone sensitivity – set the microphone sensitivity.
Microphone AGC enabled set the automatic gain control (AGC) mode for
the microphone.
AEC artefacts reduction enable cancelling of interfering noise (i.e. artefacts
caused by cancellation of the local acoustic feedback on the intercom installation
site); refer to the Specification of Audio Parameter Function parameter.
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