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    Home/Original/inverse
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    Inverse View

    It is not the case that The Doppler effect does not refute the distal account of sound perception

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    Reasons For

    2 perspectives
    Reason for 1 of 2
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    • 1.The Doppler effect reveals that perceived pitch is determined by wave frequency at the listener's location, not by any property of the distal source.
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    • 2.If the perceptual quality we hear (pitch) is constituted by medium-relative wave properties, then what we perceive is the wave, not the distal vibration process.
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    • 3.The analogy to 'perspectival shortening' fails because visual foreshortening preserves object properties under projection, whereas Doppler pitch-shift reflects no intrinsic property of the source.
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    Reason for 2 of 2
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    • 1.On a causal-informational account (following Dretske), a perceptual state represents whatever distal condition it carries reliable information about.
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    • 2.A listener moving relative to a stationary source hears different pitches despite the source's vibration remaining constant, so perceived pitch carries no reliable information about source frequency.
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    • 3.Therefore the Doppler case undermines the claim that pitch perception represents a distal vibrational property rather than a proximal wave property at the point of reception.
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    Reasons Against

    1 perspective
    Reason against
    ?
    • 1.The Doppler effect is dependent on something occurring in the medium (sound waves)
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    • 2.Dependence on medium effects does not entail that what we hear are sound waves in the medium rather than distal sources
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    • 3.When we hear sounds undergoing the Doppler effect, we hear a vibration process in a sounding object perceived in perspectival shortening
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