If you can hear the voice in the live video but not in recording files, properly the audio recording is disable on the bird box camera. You can either turn on the audio recording with mobile application or PC software. The below guide will give you both ways which achieve exactly the same purpose. You can view the recording files on PC computer together with audio.
Enable the audio with mobile app
1. Login the app, tap the setting icon on upper-right
2.Tap “Advanced Setting”
3.Slide the “Audio” option to right
Enable the audio PC software
1.In the live page, right click the camera name, select “Config”
2.Click “Encode Config”
3.Check all boxes in the Video/Audio for both main stream and Extra stream.
4.Click “OK” to save the setting.