3.9.4 Audio File Manager
Here you can upload up to 10 audio files.
Note: Ensure that the NVR hardware has an Audio Output interface.
Add a new audio file
Click 
, then select an audio file from the external device and
enter the audio file name, and then click "OK" to add a new audio file.
Note: Ensure that the audio file format is “.wav”, the codec type is PCM/PCMU/PCMA, 64kbps
or 128kbps bitrate and doesn’t exceed 500K.
Play audio file
Select an audio file and click 
to play the audio file.
Edit audio file
Select an audio file and click 
to edit the audio file name.
Delete audio file
Select an audio file and click 
to delete the audio file name.
In addition, you can also check multiple audio files and click "Delete" to delete them.