Interactive spectrogram created using React.

Free Online Spectrogram Generator & Decoder Drop any audio file to instantly generate a spectrogram — a visual frequency-over-time map of your sound. Decode hidden patterns, convert images to …

The spectrum analyzer above gives us a graph of all the frequencies that are present in a sound recording at a given time. The resulting graph is known as a spectrogram. The darker areas are …

3D Spectrogram Flute

Use the SpectroDraw web app to draw, visualize, and sculpt sound directly on the spectrogram. Free, browser-based sound design.

SpectroDraw is a free, browser-based spectrogram editor that lets you draw, visualize, and sculpt sound directly on the frequency spectrum. Perfect for sound design, audio repair, and experimentation.

We have developed an online spectrograph program with a bank of over 30 audio clips to visualize a variety of sounds. Our audio library includes everyday sounds such as speech, singing, musical …

May 12, 2026 · How to Read a Spectrogram — A Visual Guide If you've never read a spectrogram before, the image looks like noise. After this article, you'll see voice formants, drum transients, …

Spectrogram Generator Online — Visualize Frequency Over Time Capture live microphone audio or generate demo signals, compute the STFT in real time, and view a scrolling color-mapped …

Spectrogram Viewer – Online Audio Frequency Visualizer Analyze audio frequencies instantly with this free online spectrogram viewer. Visualize harmonics, overtones, transients, and noise patterns in …