Attention and vigilance in speech perception

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Attention and vigilance in speech perception

https://khothuvien.AD-A 210 493——:■■MENTATION PAGE-.AclecTIIlb. RESTRICTIVE MARKINGSi ‘J k 1 ; l.ự b’.i’;Ja. SECUAlT* CLASSIFICATIONr> *- w jail 1989

Attention and vigilance in speech perception9*^3. OISTRIBUTION/AVAILABlLlTY OF REPORT Approved for oublic release: Distribution2b. DECLASSIFICATION/DOWNGRADING SCfttDU^funlimited.4. MRÍOKMINO OR

GANIZATION REPORT ^jẶêERlSIs MONITORING ORGANIZATION REPORT NUMBERlSl 8 9 “ V 9 6 3Sa. NAME OF PERFORMING ORGANIZATION The University of Chicagolb. OF Attention and vigilance in speech perception

FICE SVMIŨL IlfoppKtobltl?A NAME OF MONITORING ORGANIZATION Directorate of Life Sciences Air Force Office of Scientific ResearchSc. address fCUv. ilot

Attention and vigilance in speech perception

t and ZIP Codol 970 East 58th Street Chicago, Illinois 606377b. ADDRESS ICilr. SUN on* ZIP Cotfl Building 410 Bolling AFB, Washington, D.c. 20332-6148

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Attention and vigilance in speech perceptionADDRESS tear. Stair and ZIP Coda) Building 410 Bolling AFP Washington, D.c. 20332-644810. SOURCE OP FUNDING NOS.PROGRAM ELEMENT NO. 61102FPROJECT NO.

2313TASK NO. A4WORK UNIT NO.ỈÌ TITLE Ifneiuda Saeunty Claaaineatiom [unc 1 ass Ì tied) Attention and vigilance in speech perception12. PERSONAL AUTHOR Attention and vigilance in speech perception

ISE Howard c. Nusbaum13a type of REPORT13b. TIME COVERED1 14. DATE OF REPORT IYr.. Mo.. Day)IS. PAGE COUNT 1 Final Technical Repor ."OM.Z4V.a7. TO.L2/

Attention and vigilance in speech perception

-31/8I89,0*7«-72ISSuMLCMBNTARVNOTATION1-..-Ii—t._IT.COSATI CODESIB. SUBJECT TERMS Í Continue on 'event if nacaaaary and idaaKfy by Mock number! Attent

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Attention and vigilance in speech perceptionSTRACT iConllnuo on fovorto if noetttom tnể lOtnnff by bloc* nambarj -"This report describes research carried out in three related projects Investigat

ing thefunction and limitations of attention in speech perception. The projects were directed at Investigating the distribution of attention in time d Attention and vigilance in speech perception

uring phoneme recognition, perceptualnormalization of talker differences, and perceptual learning of synthetic speech. The firs project demonstrates t

Attention and vigilance in speech perception

hat in recognizing phonemes listeners attend to earlier and later phonetic context, even when that context is in another syllable. The second project

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Attention and vigilance in speech perceptions based on computing a talker- 1 independent representation of each utterance on its own; the second, contextual tuning, is based on learning the voca

l characteristics of the talker, structural estimation requires more attention and effort than contextual tuning. The final project examined the atten Attention and vigilance in speech perception

tion al demands of synthetic speech and how they change with perceptual learning. The results demonstrated that the locus of attentional demands in pe

Attention and vigilance in speech perception

rception of synthetic speech Is inx20. OISTRI8UTION/A VAILABI LIT Y OP ABSTRACT UNCLASSIFIEO/UNLIMITEO Ổ SAME AS RPT. Ể) OTIC USERS □21. ABSTRACT SECU

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Attention and vigilance in speech perceptionCE SYMBOL AFOSR/NLDD FORM 1473, 83 APREDITION OP 1 JAN 73 IS OBSOLETE. „ ]g/■■>*"SECURITY CLASSIFICATION OF TH.S PAG 897 10 0 9 5Block 19 Continued:re

cognition rather than storage or recall of learning increases the efficiency with which recognizing synthetic speech and this effect bi 11 ty. .Our re Attention and vigilance in speech perception

sults suggest that perceptual the relevant acoustic-phonetic properties ofsynthetic speech. Moreover, perceptual listeners can use spare capacity in i

Attention and vigilance in speech perception

s not just due to increased intelI1g1-lecrnlng allows listeners to focu$ on a particular, synthetic talker. [https://khothuvien.'

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Attention and vigilance in speech perceptionversity Avenue Chicago, Illinois 6063732682Final Report for Period 1 July 1987 — 31 December 1988Distribution StatementPrepared for

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