HapticV1, PubMed, Corpus, bibRecord, 001266

Controller design and consonantal contrast coding using a multi-finger tactual display.

Identifieur interne : 001266 ( PubMed/Corpus ); précédent : 001265; suivant : 001267

Controller design and consonantal contrast coding using a multi-finger tactual display.

Auteurs : Ali Israr ; Peter H. Meckl ; Charlotte M. Reed ; Hong Z. Tan

Source :

The Journal of the Acoustical Society of America [ 1520-8524 ] ; 2009.

RBID : pubmed:19507975

English descriptors

KwdEn :
- Adult, Communication, Electrical Equipment and Supplies, Equipment Design, Fingers, Humans, Neuropsychological Tests, Phonetics, Practice (Psychology), Sensory Thresholds, Speech, Speech Acoustics, Speech Recognition Software, Task Performance and Analysis, Touch, Young Adult.
MESH :
- Adult, Communication, Electrical Equipment and Supplies, Equipment Design, Fingers, Humans, Neuropsychological Tests, Phonetics, Practice (Psychology), Sensory Thresholds, Speech, Speech Acoustics, Speech Recognition Software, Task Performance and Analysis, Touch, Young Adult.

Abstract

This paper presents the design and evaluation of a new controller for a multi-finger tactual display in speech communication. A two-degree-of-freedom controller consisting of a feedback controller and a prefilter and its application in a consonant contrasting experiment are presented. The feedback controller provides stable, fast, and robust response of the fingerpad interface and the prefilter shapes the frequency-response of the closed-loop system to match with the human detection-threshold function. The controller is subsequently used in a speech communication system that extracts spectral features from recorded speech signals and presents them as vibrational-motional waveforms to three digits on a receiver's left hand. Performance from a consonantal contrast test suggests that participants are able to identify tactual cues necessary for discriminating consonants in the initial position of consonant-vowel-consonant (CVC) segments. The average sensitivity indices for contrasting voicing, place, and manner features are 3.5, 2.7, and 3.4, respectively. The results show that the consonantal features can be successfully transmitted by utilizing a broad range of the kinesthetic-cutaneous sensory system. The present study also demonstrates the validity of designing controllers that take into account not only the electromechanical properties of the hardware, but the sensory characteristics of the human user.

DOI: 10.1121/1.3124771
PubMed: 19507975

Links to Exploration step

pubmed:19507975

Le document en format XML

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<author><name sortKey="Israr, Ali" sort="Israr, Ali" uniqKey="Israr A" first="Ali" last="Israr">Ali Israr</name>
<affiliation><nlm:affiliation>Haptic Interface Research Laboratory, Purdue University, West Lafayette, Indiana 47907-2035, USA. israr@rice.edu</nlm:affiliation>
</affiliation>
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<author><name sortKey="Meckl, Peter H" sort="Meckl, Peter H" uniqKey="Meckl P" first="Peter H" last="Meckl">Peter H. Meckl</name>
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<author><name sortKey="Reed, Charlotte M" sort="Reed, Charlotte M" uniqKey="Reed C" first="Charlotte M" last="Reed">Charlotte M. Reed</name>
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<author><name sortKey="Tan, Hong Z" sort="Tan, Hong Z" uniqKey="Tan H" first="Hong Z" last="Tan">Hong Z. Tan</name>
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<author><name sortKey="Reed, Charlotte M" sort="Reed, Charlotte M" uniqKey="Reed C" first="Charlotte M" last="Reed">Charlotte M. Reed</name>
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<front><div type="abstract" xml:lang="en">This paper presents the design and evaluation of a new controller for a multi-finger tactual display in speech communication. A two-degree-of-freedom controller consisting of a feedback controller and a prefilter and its application in a consonant contrasting experiment are presented. The feedback controller provides stable, fast, and robust response of the fingerpad interface and the prefilter shapes the frequency-response of the closed-loop system to match with the human detection-threshold function. The controller is subsequently used in a speech communication system that extracts spectral features from recorded speech signals and presents them as vibrational-motional waveforms to three digits on a receiver's left hand. Performance from a consonantal contrast test suggests that participants are able to identify tactual cues necessary for discriminating consonants in the initial position of consonant-vowel-consonant (CVC) segments. The average sensitivity indices for contrasting voicing, place, and manner features are 3.5, 2.7, and 3.4, respectively. The results show that the consonantal features can be successfully transmitted by utilizing a broad range of the kinesthetic-cutaneous sensory system. The present study also demonstrates the validity of designing controllers that take into account not only the electromechanical properties of the hardware, but the sensory characteristics of the human user.</div>
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<CommentsCorrectionsList><CommentsCorrections RefType="Cites"><RefSource>Ear Hear. 1999 Dec;20(6):471-82</RefSource>
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<CommentsCorrections RefType="Cites"><RefSource>J Acoust Soc Am. 2006 Nov;120(5 Pt 1):2789-800</RefSource>
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<CommentsCorrections RefType="Cites"><RefSource>Percept Psychophys. 2001 Nov;63(8):1279-92</RefSource>
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<CommentsCorrections RefType="Cites"><RefSource>J Acoust Soc Am. 2003 Dec;114(6 Pt 1):3295-308</RefSource>
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<CommentsCorrections RefType="Cites"><RefSource>J Acoust Soc Am. 1994 Mar;95(3):1548-58</RefSource>
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</CommentsCorrections>
<CommentsCorrections RefType="Cites"><RefSource>Ear Hear. 1995 Apr;16(2):198-208</RefSource>
<PMID Version="1">7789671</PMID>
</CommentsCorrections>
<CommentsCorrections RefType="Cites"><RefSource>Ear Hear. 1995 Aug;16(4):392-406</RefSource>
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<CommentsCorrections RefType="Cites"><RefSource>J Acoust Soc Am. 1996 Apr;99(4 Pt 1):2256-69</RefSource>
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<CommentsCorrections RefType="Cites"><RefSource>Percept Psychophys. 1997 Oct;59(7):1004-17</RefSource>
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Controller design and consonantal contrast coding using a multi-finger tactual display.

Controller design and consonantal contrast coding using a multi-finger tactual display.

Source :

English descriptors

Abstract

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