Vocal sketching: a prototype tool for designing multimodal interaction

  • Authors:
  • Koray Tahiroǧlu;Teemu Ahmaniemi

  • Affiliations:
  • Aalto University, School of Art and Design, Aalto, Finland;Nokia Research Center, Nokia Group, Finland

  • Venue:
  • International Conference on Multimodal Interfaces and the Workshop on Machine Learning for Multimodal Interaction
  • Year:
  • 2010

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Abstract

Dynamic audio feedback enriches the interaction with a mobile device. Novel sensor technologies and audio synthesis tools provide infinite number of possibilities to design the interaction between the sensory input and audio output. This paper presents a study where vocal sketching was used as prototype method to grasp ideas and expectations in early stages of designing multimodal interaction. We introduce an experiment where a graspable mobile device was given to the participants and urged to sketch vocally the sounds to be produced when using the device in a communication and musical expression scenarios. The sensory input methods were limited to gestures such as touch, squeeze and movements. Vocal sketching let us to examine closer how gesture and sound could be coupled in the use of our prototype device, such as moving the device upwards with elevating pitch. The results reported in this paper have already informed our opinions and expectations towards the actual design phase of the audio modality.