Sound Meter & Quality Check

What is this tool?

This is a browser-based utility designed to help you monitor and assess the basic quality of audio input from your microphone in real-time. It acts as a visual sound level meter and provides indicators for potential audio issues. An online sound meter can be known by many different names, it may be referred to as Decibel Meter, DB Meter, Sound Level Meter, Noise Meter, Audio Level Meter, Audio Quality Check, or Microphone Test. For users searching in other languages, the app is known as Medidor de decibelios or Medidor de sonido in Spanish. In German, it might be called Schallpegelmesser or Dezibelmessgerät. Finally, Portuguese speakers might search for it as Medidor de decibéis or Medidor de som.

How does it work?

The tool utilizes your browser's Web Audio API to access your microphone's audio stream. It then processes this audio locally to:

• Measure Amplitude: Calculates the instantaneous, peak, and average loudness of the incoming audio.
• Detect Clipping: Identifies when the audio signal is too loud and exceeds the maximum input level, which can cause distortion (clipping).
• Visualize Frequencies: Displays a basic representation of the audio's frequency content, showing which frequencies are most prominent.

All audio processing is done directly within your browser. Your audio data is never sent to any external servers, ensuring your privacy.

Important Note on Microphone Access:

For this tool to function, your browser needs permission to access your microphone. If you encounter issues, please check the following:

• Browser Permissions: Ensure you have granted microphone access to this website when prompted by your browser. You might see a microphone icon in your browser's address bar.
• Operating System Permissions: On some operating systems (e.g., Windows, macOS), you may also need to grant explicit microphone access to your web browser in your system's privacy settings.
• If problems persist, try refreshing the page or restarting your browser after adjusting permissions.

Key Features:

• Real-time Monitoring: See your sound levels and frequency spectrum updated live.
• Clipping Alert: Get immediate visual feedback if your audio is too loud.
• Privacy-Focused: All audio processing happens client-side; no data leaves your device.
• Browser-Based: No software installation required.
• Cross-Platform: Works on any device (computer, phone, tablet) with a modern web browser.

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