Voice Transformation and Detection

Award Information
Agency:
Department of Defense
Branch
Air Force
Amount:
$99,732.00
Award Year:
2007
Program:
SBIR
Phase:
Phase I
Contract:
FA8750-07-C-0157
Agency Tracking Number:
F071-087-1415
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
SENTIENT CORP.
850 Energy Drive, Idaho Falls, ID, 83401
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
089822014
Principal Investigator:
Sean Marble
President
(802) 876-3100
smarble@sentientscience.com
Business Contact:
Paula Lee
Contract Administrator
(802) 876-3100
plee@sentientscience.com
Research Institution:
n/a
Abstract
Research into voice transformation has been ongoing for over twenty years. In addition, there are many commercial products available. There has been very little research, however, into techniques for detection of voice transformation. Furthermore, objective metrics for the quality of transformed speech - which could serve as a basis for the detection of transformed speech - are practically nonexistent. All discussions of the quality of voice transformation algorithms use subjective terms, though there is tacit acknowledgement that artifacts exist. This proposal describes research into the application of conventional signal processing techniques to the identification of the artifacts that result from voice transformation, and into the implementation of objective criteria for automatic blind-detection of voice transformation.

* information listed above is at the time of submission.

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