NDLI: Toward open-microphone engagement for multiparty interactions

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Toward open-microphone engagement for multiparty interactions

Content Provider	ACM Digital Library
Author	Lunsford, Rebecca Oviatt, Sharon Arthur, Alexander M.
Abstract	There currently is considerable interest in developing new open-microphone engagement techniques for speech and multimodal interfaces that perform robustly in complex mobile and multiparty field environments. State-of-the-art audio-visual open-microphone engagement systems aim to eliminate the need for explicit user engagement by processing more implicit cues that a user is addressing the system, which results in lower cognitive load for the user. This is an especially important consideration for mobile and educational interfaces due to the higher load required by explicit system engagement. In the present research, longitudinal data were collected with six triads of high-school students who engaged in peer tutoring on math problems with the aid of a simulated computer assistant. Results revealed that amplitude was 3.25dB higher when users addressed a computer rather than human peer when no lexical marker of intended interlocutor was present, and 2.4dB higher for all data. These basic results were replicated for both matched and adjacent utterances to computer versus human partners. With respect to dialogue style, speakers did not direct a higher ratio of commands to the computer, although such dialogue differences have been assumed in prior work. Results of this research reveal that amplitude is a powerful cue marking a speaker's intended addressee, which should be leveraged to design more effective microphone engagement during computer-assisted multiparty interactions.
Starting Page	273
Ending Page	280
Page Count	8
File Format	PDF
ISBN	159593541X
DOI	10.1145/1180995.1181049
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2006-11-02
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	User communication modeling Dialogue style Computer-supported collaborative work Spoken amplitude Intended addressee Open-microphone engagement Collaborative peer tutoring Multimodal interaction
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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