Tuesday, September 20, 2011

Blog #9

Jogging over a distance between Europe and Australia


Authors: 
Florian Mueller - The University of Melbourne, Melbourne, Australia; Microsoft, Beijing, China; Distance Lab, Morray, and London Knowledge Lab, London, United Kingdom
Frank Vetere - The University of Melbourne, Melbourne, Australia
Martin R. Gibbs - The University of Melbourne, Melbourne, Australia
Darren Edge - Microsoft, Beijing, China
Stefan Agamanolis - Distance Lab, Morray, United Kingdom
Jennifer G. Sheridan - London Knowledge Lab, London, United Kingdom

Proceeding
UIST '10 Proceedings of the 23nd annual ACM symposium on User interface software and technology

Summary:
A method of interaction among joggers in separate locations is proposed. The mechanism includes a phone, heart rate sensor, and headset. For normal co-located jogging, a pair would need to stay near each other to be able to communicate. This means that if two people of different physical fitness were jogging together, one would have to work much harder than the other. The headset allows for the joggers to communicate to each other over any distance, and keeping physical pace does not matter anymore.

Hypothesis
The researchers proposed that using heart rate for a heuristic of how is "ahead" or "behind" of the other is more useful than physical location.

Methods
Communication Integration
A headset allowed communication between the jogging partners at all times. If a person is judged to be "ahead" based on how their effort is analyzed, the headset will alter the audio to make it seem that the other jogger is spatially behind the runner. The opposite happens to the other runner, the audio becomes more quiet and changes to the audio make the runner that is "ahead" seem to be so spatially.

Effort Comprehension
Heart rate is used to determine who is exerting more effort. Each participant was asked to jog at the rate where they were comfortable to still talk.


Virtual Mapping
The joggers' heart rates are compared to each other go generate a handicap. People that are not as fit will reach their maximum heart rate more quickly and run more slowly than others. Since physical location is not measures in this paper, it is not counted.


17 participants were asked to use this system and give feedback.

Results
The participants enjoyed the fact that physical pace did not need to be kept in order to sustain communication, supporting the hypothesis.


Discussion
This approach to jogging elegantly solves the issue of differing states of physical fitness. I personally think this is ready for general use directly after the paper, if not for a few design issues. Many people have smart phones which can have Bluetooth interfaces to a headset and heart rate measurement (being a designed solution, or an Arduino interface). One issue that may be encountered is that some phone companies do not allow voice and data to be communicated concurrently, such as those that use CDMA technology.

This paper is a very interesting piece of virtual interaction, but something tells me that this is a very good example in a sea of bad ideas. A lot of virtual interactions like this seem to simply be games, which questions their merit.

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