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A spectrogram is a visual representation of the spectrum of frequencies of sound or other signal as they vary with time. Spectrograms are sometimes called sonographs, voiceprints, or voicegrams.

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.

In this video, we'll show you the steps to convert visual data into a spectrogram, perfect for those interested in combining art and audio analysis.

Convert an audio file into a spectrogram image online. Pick between multiple color palettes and choose what output size you want. (MP3, WAV, FLAC and OGG)

Compute a spectrogram with consecutive Fourier transforms (legacy function). Spectrograms can be used as a way of visualizing the change of a nonstationary signal’s frequency content over time.

Spectrogram Image generator from audio file. Create stunning spectrogram images effortlessly! Utilize our user-friendly drag-and-drop feature to upload any file, and watch as we transform it into a …