The active badge location system
ACM Transactions on Information Systems (TOIS)
Nomadic radio: scaleable and contextual notification for wearable audio messaging
Proceedings of the SIGCHI conference on Human Factors in Computing Systems
Communications of the ACM
The Cricket location-support system
MobiCom '00 Proceedings of the 6th annual international conference on Mobile computing and networking
CyberCode: designing augmented reality environments with visual tags
DARE '00 Proceedings of DARE 2000 on Designing augmented reality environments
Nomadic radio: speech and audio interaction for contextual messaging in nomadic environments
ACM Transactions on Computer-Human Interaction (TOCHI) - Special issue on human-computer interaction with mobile systems
Nomadic Radio: A Spatialized Audio Environment for Wearable Computing
ISWC '97 Proceedings of the 1st IEEE International Symposium on Wearable Computers
Augmenting the social space of an academic conference
CSCW '04 Proceedings of the 2004 ACM conference on Computer supported cooperative work
LANDMARC: indoor location sensing using active RFID
Wireless Networks - Special issue: Pervasive computing and communications
Wired for Speech: How Voice Activates and Advances the Human-Computer Relationship
Wired for Speech: How Voice Activates and Advances the Human-Computer Relationship
Talking braille: a wireless ubiquitous computing network for orientation and wayfinding
Proceedings of the 7th international ACM SIGACCESS conference on Computers and accessibility
A sensor network for social dynamics
Proceedings of the 5th international conference on Information processing in sensor networks
Reading on-the-go: a comparison of audio and hand-held displays
Proceedings of the 8th conference on Human-computer interaction with mobile devices and services
Moving Out of the Lab: Deploying Pervasive Technologies in a Hospital
IEEE Pervasive Computing
Advanced integration of WIFI and inertial navigation systems for indoor mobile positioning
EURASIP Journal on Applied Signal Processing
Adding Speech to Location-based Services
Wireless Personal Communications: An International Journal
A survey of computational location privacy
Personal and Ubiquitous Computing
Location-Based Services and Privacy in Airports
INTERACT '09 Proceedings of the 12th IFIP TC 13 International Conference on Human-Computer Interaction: Part I
Identifying and facilitating social interaction with a wearable wireless sensor network
Personal and Ubiquitous Computing
Tradeoffs in design research: development oriented triangulation
BCS-HCI '13 Proceedings of the 27th International BCS Human Computer Interaction Conference
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This paper presents three experiments to explore the feasibility of location-based voice messaging. We first compared three methods for collecting synthetic speech messages located in a room, namely PIN code entry, barcode scanning and automatic detection with a Bluetooth antenna. In addition to being very reliable, Bluetooth detection was significantly faster than PIN code entry and barcode scanning. We then examined detection times and errors in an open five floor building with antennas located densely. This confirmed that Bluetooth is fast enough to catch people walking through a zone and specific enough to distinguish between zones located just 20 meters apart. Finally, we played digitized voice messages to 11 participants walking into a zone. They received most of the messages well, but a majority of their comments were negative, expressing concerns for the potential infringement of privacy. We conclude that location specific audio messaging works from a technical perspective, but requires careful consideration of social comfort.