Loud Sound Detector — Remote Monitoring & Email Alerts

A free real-time sound detection tool that monitors for loud sounds — doorbells, baby crying, alarms, and knocking. Visual and vibration alerts on your screen when a sound is detected.

How to Use

1
Configure Threshold

Set your sound threshold and optionally enter an email address for remote alerts.

2
Start Monitoring

Click "Start Monitoring" and allow microphone access when prompted by the browser.

3
Share the Link

Copy the remote viewer link and open it on your phone or another device.

4
Receive Alerts

When a loud sound is detected, you get instant on-screen, vibration, and email alerts.

5
Review Events

Open the viewer link to see live levels, event history, and play back recorded clips.

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Monitor sounds from anywhere with email alerts and live audio streaming

Setup Monitoring

50%
Alert when sound exceeds this level
Save 30-second recordings when loud sounds are detected
Quiet
Current Level 0%
Keep this tab open for continuous monitoring.

Event Log

Time Level Recording
No events yet
Monitor Offline
Live Sound Level 0%

Event Log

Time Level Recording
No events yet
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Features

Real-Time VU Meter Email Alerts Remote Viewer Audio Recording

FAQ

How does remote monitoring work?

When you start monitoring, a unique room link is created. Share this link with your phone or another device — it shows real-time sound levels, event history, and allows live audio streaming.

Are audio recordings stored on the server?

Yes, 30-second audio clips are uploaded when loud sounds are detected (if recording is enabled). They are automatically deleted after 24 hours. Maximum 50 recordings per room.

Does it work with the screen off?

The monitor needs the browser tab to be active. On mobile, keep the screen on and the tab in the foreground for continuous monitoring.

How does live audio streaming work?

The viewer can listen to the monitor in real-time via WebRTC — audio goes directly between devices (peer-to-peer), not through our servers.

💡 Want us to improve this tool just for you?

We can — and it's free! Just send us a quick message with your idea. If you'd like to discuss it in detail, leave your email and we'll get back to you. You can stay anonymous.

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Who is this tool for?
♿ Accessibility Users 👨‍👩‍👧 Parents & Families
Published Updated