Audio Settings; Two-Way Audio - HIKVISION DS-2TD2137-4/P User Manual

9.1.10 Audio Settings

It is a function to set audio parameters such as audio encoding, environment noise filtering.
Go to the audio settings page: Configuration → Video/Audio → Audio.
Audio Encoding
Select the audio encoding compression of the audio.
Audio Input
Note
● Connect the audio input device as required.
● The audio input display varies with the device models.
LineIn
MicIn
Environmental Noise Filter
Set it as OFF or ON. When the function is enabled, the noise in the environment can be filtered to
some extent.

9.1.11 Two-way Audio

It is used to realize the two-way audio function between the monitoring center and the target in
the monitoring screen.
Before You Start
● Make sure the audio input device (pick-up or microphone) and audio output device (speaker)
connected to the device is working properly. Refer to specifications of audio input and output
devices for device connection.
● If the device has built-in microphone and speaker, two-way audio function can be enabled
directly.
Steps
1. Click Live View.
2. Click on the toolbar to enable two-way audio function of the camera.
Thermal Network Camera User Manual
Set Audio Input to LineIn when the device connects to the
audio input device with the high output power, such as MP3,
synthesizer or active pickup.
Set Audio Input to MicIn when the device connects to the
audio input device with the low output power, such as
microphone or passive pickup.
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