Audio Spectrogram Viewer
Compute and view a spectrogram showing how the frequency content of an audio file changes over time.
Your file is processed locally in your browser and is not uploaded to our server.
Upload an audio file to get started.
How to use Audio Spectrogram Viewer
- 1Upload an audio file.
- 2A spectrogram is computed showing frequency content over time.
- 3Download the image as a PNG.
Frequently asked questions
Time runs left to right, frequency runs bottom (low) to top (high), and brighter colors mean stronger energy at that frequency and moment.
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