1. Prepare an audio file
The audio file must be .WAV format, the file size should be no more than 250kb. The file name cannot contain any special characters. Here are audio parameters:
ID: 0
Format: PCM
Formatsettings,Endianness: Little
CodecID: 1
CodecID/Hint: Microsoft
Bitrare: 128Kbps
AudioChannel: Mono
Samplingrate: 8000Hz
Bitdepth: 16bits
2. Uploading audio on camera
Go to camera web UI: Setting -> Video/Audio -> Audio -> Audio File. See below:
Click “Upload” button, select your audio file.
Hit “Apply”.