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Sound Gallery

The Colored 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. See also the QuickTime Demo (3.3 MB).



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


Trumpet riff played twice; each note is visible


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


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


Woman's scream


Siren


Discontinuity in background noise


Melody played by a music box


Jet airplane passing overhead


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


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


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