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Untitled
I think this entry should be disambiguated - a link to Illusion in the Psychiatric sense. --harry 15:55, 17 Sep 2004 (UTC)
I think the Doppler Effect is a physical effect, not an illusion. There is a real change in pitch. -- Emperorbma 10:26, 27 Dec 2003 (UTC)
- All perceptions, including illusions, are physical and perceptual. Arguably, there is no real change in pitch, as long as you are moving at the same speed as the object producing sound. However, I agree that the Doppler Effect is questionable as an illusion, but it is not a fine line.Hyacinth 16:55, 27 Dec 2003 (UTC)
From Doppler effect, emphasis mine: "The Doppler effect is the apparent change in frequency or wavelength of a wave that is perceived by an observer moving relative to the source of the waves."Hyacinth
Audio Paradox
An alternate name for this type of effect is audio paradox. Just Google it and you'll find a bunch of hits to this same material. We should include this as an alternate name and direct searches on Audio Paradox to this page.