Why is There No Sound in the Real-Time Screen?
Troubleshooting audio issues during live viewing on 4G cameras
Question
Why can't I hear sound when viewing my camera's live feed?
Answer
If you're experiencing no audio during real-time viewing, check these two common causes:
1. Sound Volume and Distance
Issue: Microphones may fail to detect audio below 55dB.
Understanding the Limitation:
- The camera's microphone has a sensitivity threshold
- Sounds quieter than 55dB may not be picked up
- Distance from the sound source significantly affects volume
Solutions:
- Ensure the sound source is loud enough to exceed 55dB
- Position the camera closer to areas where you want to hear audio
- Test with louder sounds to verify microphone functionality
- Normal conversation is typically 60-70dB, which should be detected
2. Check Speaker Toggle
Issue: The speaker may be disabled in the app.
Solution:
- Open the real-time viewing screen
- Look at the bottom-left corner of the interface
- Find the speaker icon
- Verify the speaker icon is enabled (not muted/crossed out)
- Tap the speaker icon to toggle audio on if it's disabled
Sound Level Reference
For context, here are common sound levels:
- Whisper: 30dB (may not be detected)
- Normal conversation: 60-70dB (should be detected)
- Loud conversation: 75-80dB (clearly detected)
- Shouting: 85dB+ (very clear)
Troubleshooting Steps
- Enable Speaker: Check speaker toggle is on
- Test with Loud Sound: Create a loud noise near the camera to test
- Check Network: Poor network may cause audio lag or dropout
- Restart App: Close and reopen the app
- Check Phone Volume: Ensure your phone's media volume is up
Related Articles
- Adjust Speaker Volume - Changing volume levels
- No Sound Alarm Intercom - Two-way audio issues
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