Audio setting
After performing of changes please don’t forget click on „Save“.
Speaker volume + Microphone gain – amplification setting
ECHO limiter – it is designed for Echo cancellation which is created by distortion
of loud signal.During standard door entry call is working automatic
adaptive echo canceller which cancel the echo after cca 3 seconds of
talk and call is full duplex. The setting is : High intensity signals coming
from phone to speaker of door entry are distorted and automatic echo
canceller cant process them. This level of treshold you setup (in %).
How much should be reduced signal returning through microphone
input is adjusted by attenuation. Delay of returning signal is adjustable
by samples amount.
Tone – here you select acoustical signalling of different door entry status.
Options are: - None, this status will not be signalling
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