Location Estimation using Auditory Signal Emitted and Received by All Objects

This paper proposes a new capture method for an indoor interactive workshop with facilitators and attendees working collaboratively on creation of original works. A simple audio recorder and audio player for every user and artifact in the workshop enables the system to estimate the user location history as well as recording the audio scenery. Each audio signal captured by a recorder is analyzed and identified as a specific sound emitted from a corresponding audio player. The locations and orientations of all users are estimated by collecting all the information in the vicinity of each attendee. Users can re-experience the workshop audially and visually using a map of the workshop room and attendees´ locations and orientations.