IBM Systems Journal
Efficient robust DTMF decoding using the subband NDFT
Signal Processing
Sotto voce: exploring the interplay of conversation and mobile audio spaces
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Smart-Its Friends: A Technique for Users to Easily Establish Connections between Smart Artefacts
UbiComp '01 Proceedings of the 3rd international conference on Ubiquitous Computing
Shake them up!: a movement-based pairing protocol for CPU-constrained devices
Proceedings of the 3rd international conference on Mobile systems, applications, and services
Loud and Clear: Human-Verifiable Authentication Based on Audio
ICDCS '06 Proceedings of the 26th IEEE International Conference on Distributed Computing Systems
WWTW: the world wide telecom web
Proceedings of the 2007 workshop on Networked systems for developing regions
VoiceList: user-driven telephone-based audio content
Proceedings of the 10th international conference on Human computer interaction with mobile devices and services
Has Anyone Seen My Goose? Social Network Services in Developing Regions
CSE '09 Proceedings of the 2009 International Conference on Computational Science and Engineering - Volume 04
Newport: enabling sharing during mobile calls
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Avaaj Otalo: a field study of an interactive voice forum for small farmers in rural India
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
After access: challenges facing mobile-only internet users in the developing world
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Acoustic OFDM: embedding high bit-rate data in audio
MMM'08 Proceedings of the 14th international conference on Advances in multimedia modeling
User driven audio content navigation for spoken web
Proceedings of the international conference on Multimedia
Evaluation of IVR data collection UIs for untrained rural users
Proceedings of the First ACM Symposium on Computing for Development
The World Wide Telecom Web browser
Proceedings of the First ACM Symposium on Computing for Development
SPARSH: passing data using the body as a medium
Proceedings of the ACM 2011 conference on Computer supported cooperative work
TapBack: towards richer mobile interfaces in impoverished contexts
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Wireless Sensor Network Based Remote Irrigation Control System and Automation Using DTMF Code
CSNT '11 Proceedings of the 2011 International Conference on Communication Systems and Network Technologies
An asymmetric communications platform for knowledge sharing with low-end mobile phones
Proceedings of the 24th annual ACM symposium adjunct on User interface software and technology
Designing a voice-based employment exchange for rural India
Proceedings of the Fifth International Conference on Information and Communication Technologies and Development
"Yours is better!": participant response bias in HCI
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Some evidence for the impact of limited education on hierarchical user interface navigation
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
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In this paper we introduce Acoustic Quick Response codes to facilitate sharing between Interactive Voice Response (IVR) service users. IVRs are telephone-based, and similar to the world wide web in many aspects, but currently lack support for content sharing. Our approach uses 'audio codes' to let people share their call positions, and allows callers to hold their normal (low-end) handsets together to synchronise. The technique uses remote generation and recognition of audio codes to ensure that sharing is possible on any type of phone without the need for textual literacy or an internet connection. We begin by exploring existing user needs for sharing, then evaluate the technical robustness of our audio-based design. We demonstrate the value of the approach for voice service users over several separate studies--including an eight-month extended field deployment--then conclude with a discussion of future possibilities for such scenarios.