The Comparisonics waveform display uses colors to convey the frequency content of audio data. The following are examples of uncolored and colored waveform displays. Notice how the coloring provides valuable information.

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Conversation: woman speaking (lighter colors on left),
and then man speaking (darker colors on right)

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Trumpet riff played twice; each note is visible

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Drum track: bass drum (dark), snare drum (blue)

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From Aaron Copland's Fanfare for the Common Man;
tympani in dark blue

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Woman's scream

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Siren

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Discontinuity in background noise

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Melody played by a music box

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Jet airplane passing overhead

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Woman singing a single note;
the alternating shades show the vibrato in her voice

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Car screeching to a halt, followed by a collision
(point of impact in dark gray)

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A cat (orange), a fly (lavender), and a rooster (red)

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