Soundlevelmeter
Sound Level Meter is a web-based tool that measures real-time sound levels using your device microphone with professional-grade features such as A/C/Z weighting, FFT frequency analysis, and MIN/AVG/MAX/PEAK tracking. It targets engineers, environmental specialists, audio professionals and enthusiasts who need instant acoustic monitoring and analysis.
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Quick Overview
Best for: Audio
What it does
Audio software for decision-makers comparing workflow fit and alternatives.
Best fit
Audio
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Soundlevelmeter
Sound Level Meter is an online sound measurement tool that provides real-time decibel readings, frequency spectrum analysis, and comprehensive acoustic monitoring using your device's microphone. The tool offers professional-grade features — including A-weighting, C-weighting and Z-weighting, FFT-based frequency visualization, MIN/AVG/MAX/PEAK tracking, calibration offset controls, and interactive visual charts — aimed at engineers, environmental specialists, audio professionals and enthusiasts who need immediate noise assessment and analysis.
The site also references related offerings (for example a recently launched Tea App Checker) and invites users to its Discord community for feature requests. Sound Level Meter emphasizes instant results, configurable update intervals, and calibration options to improve measurement accuracy on different devices and environments.
Sound Level Meter is a web-based tool that measures real-time sound levels using your device microphone with professional-grade features such as A/C/Z weighting, FFT frequency analysis, and MIN/AVG/MAX/PEAK tracking. It targets engineers, environmental specialists, audio professionals and enthusiasts who need instant acoustic monitoring and analysis.
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Claim this listingKey Features
Real-time Measurement
Instant continuous decibel readings with minimal latency and live display of current sound level (dBA). Measurements can be updated in realtime (50ms) or with selectable intervals (Fast, Slow, Very Slow).
Frequency Analysis
FFT-based frequency spectrum analyzer with real-time visualization to identify dominant frequencies and analyze acoustic characteristics.
Multiple Metrics
Tracks MIN, AVG, MAX and PEAK sound levels over a measurement session to give a complete statistical view of noise exposure and trends.
Weighting Filters
Supports A-weighting (dBA), C-weighting (dBC) and Z-weighting (dBZ) to approximate human hearing response and different measurement standards.
Visual Charts & Graphs
Interactive graphs including sound level history, bar meters and frequency displays to visualize changes over time and frequency content.
Sound Classification
Real-time classification of sound levels with references to common noise sources to help interpret measurements.
Professional Calibration
Calibration offset controls and sensitivity settings to fine-tune measurements for better accuracy across different microphones and environments.
Configurable Update Intervals
Multiple update interval options (Realtime 50ms, Fast 250ms, Slow 1s, Very Slow 2s) to balance responsiveness and smoothing.
Pricing
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Use Cases
Environmental Noise Monitoring
Measure ambient and environmental sound levels for neighborhood, construction, or public space assessments.
Occupational Noise Assessment
Quickly assess workplace noise exposure trends and peak events for preliminary occupational safety checks.
Audio Engineering and Tuning
Analyze frequency content and levels during setup, calibration, and tuning of audio systems, speakers, and microphones.
Field Testing & Troubleshooting
Use the portable web-based meter for on-site diagnostics, troubleshooting noise sources, and validating acoustic changes over time.
Education and Research
Demonstrate sound metrics, FFT spectrum analysis, and weighting effects in classroom or research settings.
Integrations
Discord
Community and feature requests are handled through the project's Discord; the site invites users to join for support and feedback.
Open-source Sound-Meter
Credits an open-source Sound-Meter project (used as a reference or foundation); may indicate compatibility or reuse of open-source components.
Benefits
Limitations
Frequently Asked Questions
How does the Sound Level Meter work?
How accurate are the measurements?
What sound metrics does it measure?
Can I use it for professional sound measurement?
What devices and browsers are supported?
Getting Started
- 1 Step 1: Open the Sound Level Meter web page and allow microphone access when prompted by your browser.
- 2 Step 2: Select weighting (A, C, or Z), choose an update interval (Realtime, Fast, Slow, Very Slow), and optionally apply a calibration offset.
- 3 Step 3: Start the measurement session to view live dB readings, visual charts, frequency spectrum, and MIN/AVG/MAX/PEAK metrics.
Support
Discord
Join the project's Discord community (linked on the website) to request features, ask questions, and get community support.
Website Legal & Policies
Privacy Policy, Terms of Service and Cookie Policy are available on the site for legal and privacy information.
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