Sound Level Meter
shows a graph and sound's decibel values (min/avg/max) by measuring the environmental noise
Sound Level Meter - Measure Environmental Noise
Sound Level Meter is a Firefox add-on that displays current environmental noise level in decibels (dB) and offers a popup view to precisely measure sound pressure levels (SPL) using your microphone. It helps detect harmful noises and provides statistical data for analysis.
Add-on stats
Weekly download count: 2
Firefox on Android: No
Risk impact: Very low risk impact 
Risk likelihood:
Manifest version: 2
Permissions:
- storage
- contextMenus
Size: 126.22K
URLs: Website
Ranking
Other platforms
Not available on Chrome
Not available on Android
Not available on Edge
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Add-on summary
This extension displays the current environmental noise level in decibels (dB). The extension can be used to detect harmful environmental noises or to protect your hearing.
This extension offers a popup view to precisely measure the sound pressure level (SPL) all around you by sampling your microphone's raw data using an AudioWorkletProcessor node. The extension displays RMS data in dB compared to a reference volume level. It supports a graphical view to see the last 300 samples in a graph. It also shows statistical results such as min, average, and max values of the recorded samples.
Features:
- Indicates decibel level
- Display the current noise reference
- Display min/avg/max decibel values
- Display decibel by graph
User reviews
No funciona, no pide los permisos y tampoco deja asignárselos.
by Carlos Sierra, 2021-05-07
Add-on safety
Risk impact
Sound Level Meter does not require any sensitive permissions.
Risk likelihood
Sound Level Meter has earned a fairly good reputation and likely can be trusted.
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