User's Manual

DP100-25 VIDEO DOOR PHONE

mroad Technolo

Inc.

Phone Settings – Audio

ITEM Description

Code Priority

You may select the Audio streaming

priority – G.711.

You may select the AEC (Acoustic

Echo Control) scene according the

environment of the installed location.

Select “Disable”, ”Default” or “User

Define”.

Scene

When “User Define” is selected, the following two items appears:

Noise Threshold (db): Default: -40. The voice intensity that is lower than the value (-40db)

will be neglected. (Acceptable value -40~-52)

Target Level (db): Default: -23 The voice intensity that is around normal intensity will be

processed to be the value (-23db). (Acceptable value

-20~-32)

VAD

You may enable or disable Voice-Active-Detection function here. The DP100-25 will detect

background noise and send silence packet to the other end if this feature is enabled. This

allows called parties hear better audio quality.

CNG

You may enable or disable Comfortable-Noise-Generate function here. The DP100-25 will

generate background noise when receiving silence packet from the other end if this feature is

enabled. This allows called parties hear better audio quality.

Speaker

Volume

This item allows you to select volume of speaker. There are 10 levels, 0 ~ 9.

Save

Click this button to save your setting.

Figure 22: Audio Setting