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30. Oktober – 04. November 2016, Dagstuhl Seminar 16442

Vocal Interactivity in-and-between Humans, Animals and Robots (VIHAR)


Roger K. Moore (University of Sheffield, GB)
Serge Thill (University of Skövde, SE)
Clémentine Vignal (Université Jean Monnet – Saint-Étienne, FR)


Ricard Marxer (University of Sheffield, GB)

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Almost all animals exploit vocal signals for a range of ecologically-motivated purposes. For example, predators may use vocal cues to detect their prey (and vice versa), and a variety of animals (such as birds, frogs, dogs, wolves, foxes, jackals, coyotes, etc.) use vocalisation to mark or defend their territory. Social animals (including human beings) also use vocalisation to express emotions, to establish social relations and to share information, and humans beings have extended this behaviour to a very high level of sophistication through the evolution of speech and language - a phenomenon that appears to be unique in the animal kingdom, but which shares many characteristics with the communication systems of other animals.

Also, recent years have seen important developments in a range of technologies relating to vocalisation. For example, systems have been created to analyse and playback animals calls, to investigate how vocal signalling might evolve in communicative agents, and to interact with users of spoken language technology (voice-based human-computer interaction using speech technologies such as automatic speech recognition and text-to-speech synthesis). Indeed, the latter has witnessed huge commercial success in the past 10-20 years, particularly since the release of Naturally Speaking (Dragon's continuous speech dictation software for a PC) in 1997 and Siri (Apple's voice-operated personal assistant and knowledge navigator for the iPhone) in 2011. Research interest in this area is now beginning to focus on voice-enabling autonomous social agents (such as robots).

Therefore, whether it is a bird raising an alarm, a whale calling to potential partners, a dog responding to human commands, a parent reading a story with a child, or a businessperson accessing stock prices using an automated voice service on their mobile phone, vocalisation provides a valuable communications channel through which behaviour may be coordinated and controlled, and information may be distributed and acquired.

Indeed, the ubiquity of vocal interaction has given rise to a wealth of research across an extremely diverse array of fields from the behavioural and language sciences to engineering, technology and robotics. This means that there is huge potential for crossfertilisation between the different disciplines involved in the study and exploitation of vocal interactivity. For example, it might be possible to use contemporary advances in machine learning to analyse animal activity in different habitats, or to use robots to investigate contemporary theories of language grounding. Likewise, an understanding of animal vocal behaviour might inform how vocal expressivity might be integrated into the next generation of autonomous social agents. Some of these issues have already been addressed by relevant sub-sections of the research community. However, many opportunities remain unexplored, not least due to the lack of a suitable forum to bring the relevant people together.

Our Dagstuhl seminar on the topic of "Vocal Interactivity in-and-between Humans, Animals and Robots (VIHAR)" provided the unique and timely opportunity to bring together scientists and engineers from a number of different fields to appraise our current level of knowledge. Our broad aim was to focus discussion on the general principles of vocal interactivity as well as evaluating the state-of-the-art in our understanding of vocal interaction within-and-between humans, animals and robots. Some of these sub-topics, such as human spoken language or vocal interactivity between animals, have a long history of scientific research. Others, such as vocal interaction between robots or between robots and animals, are less well studied - mainly due to the relatively recent appearance of the relevant technology. What is interesting is that, independent of whether the sub-topics are well established fields or relatively new research domains, there is an abundance of open research questions which may benefit from a comparative interdisciplinary analysis of the type addressed in this seminar.

  Creative Commons BY 3.0 Unported license
  Serge Thill and Roger K. Moore and Ricard Marxer




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Seminar Homepage : Letzte Änderung 29.03.2017, 01:34 Uhr