Online Spectrogram – Live Scrolling Audio Frequency View
Time × frequencyReady
- Allow the mic in the address bar
- Choose the right input device
- Audio never leaves the tab
- Runs inside your browser
- No upload, no account
- Nothing saved after you close
Live scrolling spectrogram
A spectrogram shows how sound changes over time. It is perfect for seeing speech, bird song and SpectroTyper messages.
Reading a spectrogram
Horizontal lines are steady tones; vertical lines are clicks; speech shows stacked harmonics called formants.
Uses
Spotting intermittent noise, studying bird calls, and checking recordings for clicks.
How to Use the
Spectrogram
- 01
Start
allow microphone access.
- 02
Watch
new audio scrolls in from the right.
- 03
Explore
speak, whistle, or play SpectroTyper.
- 04
Stop
press stop to freeze.
Reading a spectrogram
Horizontal lines are steady tones; vertical lines are clicks; speech shows stacked harmonics called formants.
Uses
Spotting intermittent noise, studying bird calls, and checking recordings for clicks.
Related guides and fixes
Learn more in these guides: Microphone not working, Microphone settings, Discord mic fixes, Decibel levels chart, What is LUFS.
Frequently Asked Questions
Q.Why is it blocky?
Resolution depends on FFT size and screen width.
Q.Can I save it?
Take a screenshot.
Q.Does it upload audio?
No.