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Patent Number: |
7482951 |
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Case ID: |
0 |
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Patent Title:
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Auditory attitude indicator with pilot-selected audio signals
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Status: |
ACTIVE |
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Status Date: |
2/3/2010 11:06:20 AM |
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Issue Date:
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1/27/2009 |
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Filed Date:
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9/25/2006 |
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Serial #:
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1/543,280 |
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Assignee Name:
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The United States of America as represented by the Secretary of the Air Force
(Washington,
DC)
N/A
(
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Inventor(s):
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Brungart, Douglas S. , Simpson, Brian D. |
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Lab Name: |
Human Effectiveness Directorate |
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Location: |
2610 Seventh Street, Building 441
Wright-Patterson AFB, OH 45433-7901 |
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Contact: |
Contact Lab About This Patent |
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BACKGROUND OF THE INVENTION
The invention relates to an additional source of information about aircraft orientation provided to a pilot''s auditory senses.
One cause of aviation accidents is spatial disorientation. Spatial disorientation occurs when pilots receive conflicting or misleading information from their visual vestibular and proprioceptive sensory systems. This may cause them to become
confused about their physical orientation relative to the earth. This conflicting information is often so compelling that it causes pilots to question or even ignore their flight instrumentation and choose instead to fly on the basis of their own
intuition about the true orientation of the aircraft. Sadly, such decisions may lead to tragic consequences.
Many spatial disorientation accidents are the result of vestibular illusions that cause the pilot to feel that the plane is in a different orientation than it actually is. For example, the oculogravic illusion is one . . . . More |
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An auditory attitude indicator for aircraft that includes an audio source
providing an audible signal, a'' stereo headset with a left side and a
right side, an aircraft avionics system that provides at least aircraft
pitch data and roll data to an audio processor unit. The audio processor
unit includes at least one lookup table of coefficients corresponding to
a plurality of possible aircraft pitch and roll orientations and at least
two selectable multipoint finite impulse response filters. The first
selectable multipoint finite impulse response filter having a first
coefficient selected by the audio processing unit from the lookup table
based upon the aircraft pitch data and roll data for varying the audible
signal to the stereo headset left side. The second selectable multipoint
impulse response filter for varying the audible signal to the stereo
headset right side having a second coefficient selected by the audio
proce . . . . More |
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What is claimed is:
1. An auditory attitude indicator for an aircraft comprising: an audio source providing an audible signal; a stereo headset with a left side and a right side; an aircraft
avionics system that provides at least aircraft pitch data and roll data to; an audio processor unit including, at least one lookup table of coefficients corresponding to a plurality of possible aircraft pitch and roll orientations, at least one first
selectable multipoint impulse response filter for varying the audible signal to the stereo headset left side, the first selectable multipoint impulse response filter having a first coefficient selected by the audio processing unit from the lookup table
based upon the aircraft pitch data and roll data, at least one second selectable multipoint impulse response filter for varying the audible signal to the stereo headset right side, the second selectable multipoint impulse response filter having a second
coefficient selected by the audio proc . . . . More |
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