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Cross-Modal Perceptual Display: a New Generation of Audiovisual Virtual Environments

Cross-Modal Perceptual Display: a New Generation of Audiovisual Virtual Environments

Objective

Virtual environments (VEs) play an increasingly important role in our society. Currently two main sensorial channels are exploited in VEs: visual and auditory, although sound is greatly underused. The ever-increasing scene complexity of VEs means that it is currently not possible to display highly realistic scenes in real time despite the availability of modern high-performance graphics and audio processors. However, the realism and quality of a virtual image/sound needs to be as good as what the user can perceive: we only need to display what is necessary. Despite recent research, little work exists on cross-modal effects, i.e., the effects that each channel (visual and auditory) has on the other, to improve the efficiency and quality of VEs. CROSSMOD will study these effects and develop a better understanding of how perceptual issues affect auditory/visual display; this understanding will lead to the development of novel algorithms for selectively rendering VEs. The cross-modal effects studied will potentially include the effect of spatial/latency congruence on quality perception, attention-control, sound-induced changes in visual perception and foveal/peripheral audiovisual effects. These initial experiments will be guided by their applicability to the improvement of VE display and authoring. An integrated cross-modal manager will be developed, using results of the initial experiments identifying which cross-modal effects are useful for VE display. The solutions developed by CROSSMOD will enable the display of perceptually highly realistic environments in real time even for very complex scenes, as well as the use of active cross-modal effects such as attention control in the display and authoring of VEs. We will evaluate our hypotheses with further experiments in realistic, complex VEs. Further evaluation will be performed on three target applications: computer games, design/architecture and clinical psychiatry, using platforms adapted to each application.
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Coordinator Contact

Alan Chalmers (Prof.)

Coordinator Contact

Alan Chalmers (Prof.)

Coordinator

INSTITUT NATIONAL DE RECHERCHE EN INFORMATIQUE ET EN AUTOMATIQUE

Address

2004, Route De Lucioles
F-06902 Sophia-Antipolis

France

EU Contribution

€ 387 785

Administrative Contact

George DRETTAKIS (Dr)

Participants (6)

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TECHNISCHE UNIVERSITAET WIEN

Austria

EU Contribution

€ 231 311

FRIEDRICH-ALEXANDER UNIVERSITAET ERLANGEN - NUERNBERG

Germany

EU Contribution

€ 178 713

INSTITUT DE RECHERCHE ET DE COORDINATION ACOUSTIQUE MUSIQUE - IRCAM

France

EU Contribution

€ 249 250

CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE

France

EU Contribution

€ 150 551

CONSIGLIO NAZIONALE DELLE RICERCHE

Italy

EU Contribution

€ 170 808

UNIVERSITY OF BRISTOL

United Kingdom

EU Contribution

€ 186 582

Project information

Grant agreement ID: 014891

Status

Closed project

  • Start date

    1 December 2005

  • End date

    30 November 2008

Funded under:

FP6-IST

  • Overall budget:

    € 2 427 627

  • EU contribution

    € 1 555 000

Coordinated by:

INSTITUT NATIONAL DE RECHERCHE EN INFORMATIQUE ET EN AUTOMATIQUE

France