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ARTICULATORY RECOVERY FROM SPEECH ACOUSTICS

Award Number: R01DC001247
ORGANIZATION: NATIONAL INSTITUTE ON DEAFNESS AND OTHER COMMUNICATION DISORDERS
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)
PERIOD OF PERFORMANCE START DATE: 09/01/1991
PERIOD OF PERFORMANCE END DATE: 02/28/2011

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ARTICULATORY RECOVERY FROM SPEECH ACOUSTICS - The project's goal is to build methods and algorithms for the recovery of articulatory movement from acoustic speech signals. In the immediate future this will be accomplished employing analysis-by-techniques for sonorant sounds of English, but with a view to extend this to obstruents and the speech of other languages. There are four main areas of research that will be conducted to reach these goals. The first area is to study the relationship between small changes in articulation and the resulting acoustics, which is feasible now that a large amount of simultaneously recorded articulatory movement and acoustic data are available. The second area of research is in the kinematics of articulatory movement, particularly that of the tongue. Flesh point data enables a data-driven approach to the modeling of tongue kinematics. A quantitative approach to the kinematics of line segments between flesh points, secant lines, is being pursued because it is a first approximation to a kinematics of tongue shape, which is more closely related to acoustics than the flesh points themselves. Because the method for articulatory recovery is analysis-by-synthesis, it is necessary to have an articulatory synthesizer for an internal speech production model. The third area of research is the construction of an articulatory synthesizer that includes knowledge gained from the second area of research. With progress already made in articulatory synthesis, it is possible to concentrate on the kinematic control of the synthesizer. This also will be done from a data-driven approach with piecewise polynomials fit to secant line kinematic trajectories derived from flesh point data. Finally, the fourth area of research is in the recovery algorithms themselves, which include methods for normalization between different vocal tracts and the articulatory synthesizer's vocal tract. Both veridical (actual space-time articulatory trajectories are reproduced) and non-veridical (categorical segmental properties are reproduced for perceptually accurate identification) articulatory will be tested. Veridical articulatory recovery from speech acoustics is useful for the laboratory and clinic when acoustic and partial articulatory information are available and the scientist or clinician wants to know more about articulation. Non-veridical articulatory recovery is important for models of speech and language learning.


Issue Date FY	Funding FY	Legal Entity Name	Legal Entity Address	Legal Entity City	Legal Entity State	Legal Entity Zip Code	Legal Entity COUNTY	Legal Entity COUNTRY	Assistance Listing	Award Code	Budget Year	Action Date	Action Type	Action Amount

Issue Date FY: 2010 ( Subtotal = $194,579 )
2010	2010	CRESS INC	1 SEABORN PLACE	LEXINGTON	MA	02420	MIDDLESEX	USA	Research Related to Deafness and Communication Disorders	000	17	3/5/2010	NON-COMPETING CONTINUATION	$194,579
														Subtotal = $194,579

Issue Date FY: 2009 ( Subtotal = $288,647 )
2009	2009	CRESS INC	1 SEABORN PLACE	LEXINGTON	MA	02420	MIDDLESEX	USA	Research Related to Deafness and Communication Disorders	000	16	2/16/2009	NON-COMPETING CONTINUATION	$175,506
2009	2009	CRESS INC	1 SEABORN PLACE	LEXINGTON	MA	02420	MIDDLESEX	USA	Research Related to Deafness and Communication Disorders	001	16	3/18/2009	NON-COMPETING CONTINUATION	$19,501
2009	2009	CRESS INC	1 SEABORN PLACE	LEXINGTON	MA	02420	MIDDLESEX	USA	Trans-NIH Recovery Act Research Support	002	16	7/15/2009	SUPPLEMENT FOR EXPANSION	$93,640
														Subtotal = $288,647

Issue Date FY: 2008 ( Subtotal = $193,514 )
2008	2008	CRESS INC	1 SEABORN PLACE	LEXINGTON	MA	02420	MIDDLESEX	USA	Research Related to Deafness and Communication Disorders	000	15	2/19/2008	NON-COMPETING CONTINUATION	$193,514
														Subtotal = $193,514

Issue Date FY: 2007 ( Subtotal = $194,594 )
2007	2007	CRESS INC	1 SEABORN PLACE	LEXINGTON	MA	02420	MIDDLESEX	USA	Research Related to Deafness and Communication Disorders	000	14	2/28/2007	NON-COMPETING CONTINUATION	$194,594
														Subtotal = $194,594

Issue Date FY: 2006 ( Subtotal = $198,938 )
2006	2006	CRESS INC	1 SEABORN PLACE	LEXINGTON	MA	02420	MIDDLESEX	USA	Research Related to Deafness and Communication Disorders	000	13	2/26/2006	COMPETING CONTINUATION	$198,938
														Subtotal = $198,938

Issue Date FY: 2003 ( Subtotal = $187,836 )
2003	2003	CRESS INC	1 SEABORN PLACE	LEXINGTON	MA	02420	MIDDLESEX	USA	Research Related to Deafness and Communication Disorders	001	12	8/4/2003	SUPPLEMENT FOR EXPANSION	$49,334
2003	2003	CRESS INC	1 SEABORN PLACE	LEXINGTON	MA	02420	MIDDLESEX	USA	Research Related to Deafness and Communication Disorders	000	12		NON-COMPETING CONTINUATION	$138,502
														Subtotal = $187,836

Issue Date FY: 2002 ( Subtotal = $138,502 )
2002	2002	CRESS INC	1 SEABORN PLACE	LEXINGTON	MA	02420	MIDDLESEX	USA	Research Related to Deafness and Communication Disorders	000	11	5/30/2002	NON-COMPETING CONTINUATION	$138,502
														Subtotal = $138,502

Issue Date FY: 2001 ( Subtotal = $137,046 )
2001	2001	CRESS INC	1 SEABORN PLACE	LEXINGTON	MA	02420	MIDDLESEX	USA	Research Related to Deafness and Communication Disorders	000	10	8/9/2001	COMPETING CONTINUATION	$137,046
														Subtotal = $137,046

Issue Date FY: 1999 ( Subtotal = $191,007 )
1999	1999	SENSIMETRICS CORPORATION	183 MAIN STREET	GLOUCESTER	MA	01930	ESSEX	USA	Research Related to Deafness and Communication Disorders	000	9	8/5/1999	NON-COMPETING CONTINUATION	$191,007
														Subtotal = $191,007

Issue Date FY: 1998 ( Subtotal = $185,940 )
1998	1998	SENSIMETRICS CORPORATION	183 MAIN STREET	GLOUCESTER	MA	01930	ESSEX	USA	Research Related to Deafness and Communication Disorders	000	8	8/14/1998	NON-COMPETING CONTINUATION	$185,940
														Subtotal = $185,940

Grand Total All Awards = $1,910,603

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ARTICULATORY RECOVERY FROM SPEECH ACOUSTICS

Award Number: R01DC001247

ORGANIZATION: NATIONAL INSTITUTE ON DEAFNESS AND OTHER COMMUNICATION DISORDERS

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)

PERIOD OF PERFORMANCE START DATE: 09/01/1991

PERIOD OF PERFORMANCE END DATE: 02/28/2011

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