Audio Frequency Spectrum Analyzer
Real-time microphone audio frequency visualizer with FFT spectrum bars, peak pitch frequency detection, and oscilloscope waveform.
Audio Frequency Spectrum Analyzer
How to Use Audio Frequency Spectrum Analyzer
Follow these simple steps to complete your task in seconds.
Enable Microphone
Click "Start" and allow microphone permission in your web browser prompt.
Produce Audio or Play Instruments
Speak, sing, whistle, or play notes into your device microphone.
Inspect Frequency & Spectrum
Observe real-time FFT frequency bars, dominant peak frequency (Hz), musical pitch note, and bass/treble levels.
Why Choose Quicklity for Audio Frequency Spectrum Analyzer
Engineered for speed, privacy, and flawless conversion accuracy.
Real-Time FFT Analysis
Uses the browser Web Audio API AnalyserNode with 1024-point FFT for smooth 60fps spectral visualization.
Peak Pitch & Note Detection
Automatically detects dominant frequency peaks and maps them to standard musical notes (e.g. A4 440Hz).
Dual Visualizer Modes
Switch between multi-colored gradient frequency spectrum bars and a live oscilloscope waveform view.
100% In-Browser Privacy
Microphone audio is processed entirely in local memory and is never recorded, transmitted, or uploaded.
Frequently Asked Questions about Audio Frequency Spectrum Analyzer
Everything you need to know about using this tool.
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