You can configure the digital microphone settings, including the volume level, noise and echo suppression, double talk sensitivity, and reverberation time.
Procedure
On the Settings menu, go to Audio > Digital Mic.
On the Digital Mic page, select the Enable check box.
For the Volume Adjusting setting, select the level of the digital microphone volume.
For the Auto Gain setting, select the level of audio signal amplification.
For the Noise Intensity Suppression setting, select the noise suppression level for the digital microphone audio.
For the Echo Intensity Suppression setting, select the echo suppression level for the digital microphone audio.
For the Double-Talk Detection Level setting, select the sensitivity level to detect double talk.
Double talk occurs when near-end and far-end call participants are talking at the same time.
For the RT60 setting, select the reverberation time in milliseconds.
Reverberation time determines the time duration by which the emitted audio decreases by 60 dB.
