1. The Effect of Changes in Visual and Auditory Contact on Rhythmic Synchronization Lawrence Fyfe CPSC 681 December 2, 2009

2. 2 Background > Network Performance Definition

3. 3 Background > Network Performance Issues

4. 4 What effect do changes in visual and auditory contact have on a musical performance? Experiment > Question

5. 5 Experiment > Clapping Task [1]

6. 6 Experiment > Conditions 1. Subjects have both visual and auditory contact http://www.cameratim.com/reviews/audio/sennheiser-headphones/images/sennheiser-hd202-headphones.jpeg

7. 7 2. Subject have only auditory contact http://www.cameratim.com/reviews/audio/sennheiser-headphones/images/sennheiser-hd202-headphones.jpeg Experiment > Conditions

8. 8 3. Subjects have only visual contact Experiment > Conditions

9. 9 Experiment > Video + Audio

10. 10 Experiment > Setup

11. 11 Experiment > Analysis Find and compare tempo values in beats per minute (BPM) between fixed clapping and subject clapping

12. 12 Experiment > Results > Within Subject(s)

13. 13 Experiment > Results > Between Subjects

14. 14 Reference [1] Chafe, C., Gurevich, M., Leslie, G. and Tyan, S. Effect of Time Delay on Ensemble Accuracy. Proc. 2004 Intl. Soc. Musical Acoustics, Nara, 2004.

15. 15 Questions ?