ENC-200™ H.264 Encoder
User Guide V1.8
48
For a talkback session you must configure the ENC-200™ encoder and the DEC-200™ decoder.
To start the talkback session you must configure the DEC-200™ webpage. Please open the DEC-
200™ webpage, select in the main menu ‘DECODER’ and click in the submenu ‘AUDIO’.
Enter in the ‘Talkback IP’ field of the DEC-200™ webpage the IP-address of the encoder with which
the DEC-200™ should start the talkback session. Next, the talkback port number must be entered in
the ‘Talkback Port’ field of the DEC-200™ webpage. So please enter in the ‘Talkback Port’ field of the
DEC-200™ your desired port number for the talkback session. This talkback port number must also be
set in the ENC-200™ webpage. Now, you must select in the field ‘Talkback Rate’ your desired sample
rate, which should be used from the decoder. The set talkback rate must also be set in the ENC-200™
webpage. Select in the drop-down-field ‘Audio Input’ of the DEC-200™ webpage the corresponding
audio input for the talkback function. For a detailed description of the decoder talkback settings,
please see the DEC-200™ user guide.
The DEC-200™ is totally configured for a talkback session now. As next you must configure the ENC-
200™ webpage. Therefor please open the ENC-200™ webpage, select in the main menu ‘ENCODER’
and click in the submenu ‘AUDIO’. See Figure 8 on page 21. Here you must enter the talkback port
number in the ‘Talkback Port’ field of the ENC-200™. The port number which you enter must be the
same port number which you have entered on the decoder side. Furthermore you must select in the
field ‘Talkback Rate’ the sample rate, which you have entered on the decoder side. The decoder and
the encoder must always use the same sample rate.
At the encoder side, you can also set the output gain level in the ‘Output Gain’ field and you can mute
the audio of the talkback session by enabling the ‘Output Mute’ check-box.
Now, the DEC-200™ and your desired ENC-200™ is completely configured and you can talkback
from the configured DEC-200™ to your configured ENC-200™.
To stop the talkback session, please enter ‘0.0.0.0’ in the ‘Talkback IP’ field of the DEC-200™.
Figure 34: Talkback connection between ENC-200™ and DEC-200™ in Full Duplex Mode
