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Sound Level Meter

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View Sound Level Meter Chrome Extension on Chrome Web Store

3.7 (3 ratings)

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Displays the noise level chart and decibel values (min, average, and max) by measuring sound pressure level on a logarithmic scale

: Type
Extension
: Users

3,000 users
: chandler.stimson
View author page of chandler.stimson
: Featured Extension
Hand-picked for quality and usefulness
: Published 3 years ago
Published on April 5, 2021
: Version 0.2.0
: Manifest version

3
: Updated 2 years ago
Updated on December 11, 2021

Sound Level Meter Chrome Extension Image 1

Description

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

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