A COMPUTERIZED DISTORTION-PRODUCT HEARING SCREENER

Award Information
Agency:
Department of Health and Human Services
Branch
n/a
Amount:
$453,025.00
Award Year:
1991
Program:
SBIR
Phase:
Phase II
Contract:
n/a
Award Id:
13768
Agency Tracking Number:
13768
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
15835 Park Ten Pl #105, Houston, TX, 77084
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Robert D Bruce
(713) 492-2784
Business Contact:
() -
Research Institute:
n/a
Abstract
RECENT RESEARCH HAS ESTABLISHED A NEW CLASS OF AUDITORY RESPONSES TERMED OTOACOUSTIC EMISSIONS THAT CAN BE OBJECTIVELY MEASURED IN THE EAR CANAL OF ALL NORMAL HEARING INDIVIDUALS. THUS, IT IS NOW POSSIBLE TO DEVELOP OBJECTIVE HEARING-SCREENING INSTRUMENTS FOR THE ASSESSMENT OF DYSFUNCTION BASED UPON THE ABSENCE OF EMITTED RESPONSES. ONE TYPE OF EMISSION ELICITED BY THE APPLICATION OF CONTINUOUS PURE TONES IS CALLED A DISTORTION-PRODUCT EMISSION (DPE). DPES CAN PROVIDE A DETAILED OBJECTIVE AUDIOGRAM WITHIN A REASONABLY SHORT TIME PERIOD. MOREOVER, DPES CAN BE MEASURED OVER A RELATIVELY LARGE RANGE OF HEARING LOSS. THIS PROJECT AIMS TO COMPRESS EXISTING LABORATORY INSTRUMENTATION FOR THE COLLECTION OF DPES INTO A MICROCOMPUTER-BASED CLINICAL DEVICE. A PORTABLE, EASY-TO-OPERATE INSTRUMENT WILL ALLOW COLLECTION OF SUFFICIENT NORMATIVE DATA IN A CLINICAL SETTING SO THAT THE DEVICE CAN EVENTUALLY BE REFINED INTO A COMMERCIAL PACKAGE FOR ROUTINE HEARING SCREENING. PHASE I WORK WILL ADAPT CURRENT LABORATORY SOFTWARE TO OPERATE ON A MACINTOSH II MICROCOMPUTER AND REPLACE GENERAL-PURPOSE LABORATORY INSTRUMENTATION WITH ON-BOARD SIGNAL-GENERATION AND SPECTRAL-ANALYSIS FUNCTIONS. SOFTWARE-BASED NOISE-REJECTION SCHEMES WILL BE DEVELOPED TO INCREASE THE MEASURABLE RANGE OF DPES AND TO PERMIT EMISSIONS TO BE COLLECTED EVENTUALLY IN A QUIET CLINICAL SETTING. PHASE II WORK WILL REFINE THE PROTOTYPICAL DEVICE, UPDATE SOFTWARE-USER INTERFACES, AND COLLECT SUBSTANTIAL NORMATIVE DATA FROM BOTH NORMAL HEARING AND HEARING-IMPAIRED INDIVIDUALS.

* information listed above is at the time of submission.

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