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Embodied conversational agents for voice-biometric interfaces

Published: 20 October 2008 Publication History

Abstract

In this article we present a research scheme which aims to analyze the use of Embodied Conversational Agent (ECA) technology to improve the robustness and acceptability of speaker enrolment and verification dialogues designed to provide secure access through natural and intuitive speaker recognition. In order to find out the possible effects of the visual information channel provided by the ECA, tests were carried out in which users were divided into two groups, each interacting with a different interface (metaphor): an ECA Metaphor group -with an ECA-, and a VOICE Metaphor group -without an ECA-. Our evaluation methodology is based on the ITU-T P.851 recommendation for spoken dialogue system evaluation, which we have complemented to cover particular aspects with regard to the two major extra elements we have incorporated: secure access and an ECA. Our results suggest that likeability-type factors and system capabilities are perceived more positively by the ECA metaphor users than by the VOICE metaphor users. However, the ECA's presence seems to intensify users' privacy concerns.

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  • (2024)Beyond Text and Speech in Conversational Agents: Mapping the Design Space of AvatarsProceedings of the 2024 ACM Designing Interactive Systems Conference10.1145/3643834.3661563(1875-1894)Online publication date: 1-Jul-2024
  • (2023)"Let's Face It": Investigating User Preferences for Virtual Humanoid Home AssistantsProceedings of the 11th International Conference on Human-Agent Interaction10.1145/3623809.3623821(246-256)Online publication date: 4-Dec-2023
  • (2023)“Funny How?” A Serious Look at Humor in Conversational AgentsProceedings of the 5th International Conference on Conversational User Interfaces10.1145/3571884.3603761(1-7)Online publication date: 19-Jul-2023
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    cover image ACM Conferences
    ICMI '08: Proceedings of the 10th international conference on Multimodal interfaces
    October 2008
    322 pages
    ISBN:9781605581989
    DOI:10.1145/1452392
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    Publication History

    Published: 20 October 2008

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    Author Tags

    1. biometrics interfaces
    2. embodied conversational agent
    3. multimodal evaluation
    4. voice authentication

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    ICMI '08
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    ICMI '08: INTERNATIONAL CONFERENCE ON MULTIMODAL INTERFACES
    October 20 - 22, 2008
    Crete, Chania, Greece

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    View all
    • (2024)Beyond Text and Speech in Conversational Agents: Mapping the Design Space of AvatarsProceedings of the 2024 ACM Designing Interactive Systems Conference10.1145/3643834.3661563(1875-1894)Online publication date: 1-Jul-2024
    • (2023)"Let's Face It": Investigating User Preferences for Virtual Humanoid Home AssistantsProceedings of the 11th International Conference on Human-Agent Interaction10.1145/3623809.3623821(246-256)Online publication date: 4-Dec-2023
    • (2023)“Funny How?” A Serious Look at Humor in Conversational AgentsProceedings of the 5th International Conference on Conversational User Interfaces10.1145/3571884.3603761(1-7)Online publication date: 19-Jul-2023
    • (2021)An Evaluation of Visual Embodiment for Voice Assistants on Smart DisplaysProceedings of the 3rd Conference on Conversational User Interfaces10.1145/3469595.3469611(1-11)Online publication date: 27-Jul-2021

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