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Spatialized Auditory Displays

Award Information

Agency:
Department of Defense
Branch:
Navy
Award ID:
46961
Program Year/Program:
1999 / STTR
Agency Tracking Number:
43908
Solicitation Year:
N/A
Solicitation Topic Code:
N/A
Solicitation Number:
N/A
Small Business Information
ADVANCED COCHLEAR SYSTEMS, INC.
ADVANCED COCHLEAR SYSTEMS, INC. 34935 SE DOUGLAS ST, STE 200 SNOQUALMIE, WA 98065 0922
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Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
 
Phase 1
Fiscal Year: 1999
Title: Spatialized Auditory Displays
Agency / Branch: DOD / NAVY
Contract: N/A
Award Amount: $70,000.00
 

Abstract:

We will investigate the feasibility of a signal processing system that controls the perceived location of a virtual sound source for listeners wearing headphones. Starting from an approximate head-related transfer function (HRTF) individualized HRTFs will be adaptively approximated for observers in a psychophysical task. Average HRTFs have proven inadequate for consistently placing sound sources in azimuth and elevation, especially near the frontal midline. Recently developed adaptive algorithms permit the tailoring of generic HRTFs to individuals within training periods of acceptable durations. These transfer functions will be modeled as binaural spatial filters and implemented in real time using DSP processors under the control of a PC. This system will be used for preliminary psychophysical testing. Future systems will incorporate dynamic head position to further enhance the realization of spatialized auditory displays.

Principal Investigator:

Ben M Clopton
4253929436

Business Contact:

Ben M. Clopton
4253929436
Small Business Information at Submission:

Advanced Cochlear Systems
1429 NW Gilman Blvd; Suite 265 Issaquah, WA 98027

EIN/Tax ID:
DUNS: N/A
Number of Employees:
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
Research Institution Information:
University of Michigan
4118 EECS Building; 1301 Beal Street
Ann Arbor, MI 48109
RI Type: Nonprofit college or university