Interactive voice browsers offer an alternative paradigm that affords ubiquitous mobile access to the WWW using a wide range of consumer devices. This technology can facilitate a safe, ''hands-free'' browsing environment that is of importance both to car drivers and various mobile and technical professionals. This paper describes the challenges of architecting an interactive voice browser that combines digital audio with the features of a speech synthesizer to make structural elements of the document explicit to the listener. The aesthetics of the audio rendition can simultaneously help reduce the monotony factor and enhance comprehension. The evolution of the voice browser gave rise to a new conceptual model of the HTML document structure and its mapping to a 3D audio space. A number of novel features are discussed for improving both the user's comprehension of the HTML document structure and their orientation within it. These factors, in turn, can improve the effectiveness of the browsing experience.
RESUMEAvec l'émergence de l'internet mobile et des nouvelles générations d'ordinateurs portables ultra-mobiles ( ou « wearable PCs »), il est incontestable que nous entrons dans une ère nouvelle où les systèmes informatiques vont adapter leurs ressources au corps, à l'esprit et aux préférences de l'utilisateur humain. Il sera donc plus aisé pour un utilisateur d'énoncer des commandes indépendamment des implications matérielles et procédurales requises pour son exécution ; l'ordinateur s'en occupe comme un réel assistant. Dans le contexte de ce nouveau mode d'interaction homme-machine, nous proposons un modèle de présentations d'interfaces utilisateurs basées sur la spatialisation du son (ou audio 3D) et qui tient compte de la mobilité de l'usager et de la portabilité du matériel. Dans le cadre de ce papier, nous illustrons notre travail par des présentations d'informations extraites automatiquement de la toile (nouvelles, informations météorologi-ques et économiques) qui sont spatialisées avant d'être présentées à des utilisateurs mobiles dotés d'oreillettes permissives pour les écouter. MOTS CLES :Interface utilisateur avancée, audio 3D, spatialisation du son, mobile, portable ultra-mobile, portable ultra-léger. ABSTRACTWith the emergence of the mobile Internet combined with wearable personal computing, we are now entering a new information era where PCs are self-adapting their resources to human bodies, minds and preferences, prevailing a more effective work environment. In this new world, working effectively is inextricably related to accessing reliable information sources anytime and anywhere. In this paper, we propose innovative UI news presentations based on three-dimensional (3-D) audio modeling.We illustrate how news, weather and business reports are extracted, spatialized and presented to mobile users wearing permissive earsets.
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