Xin Liang, Takahiro Yoshimura, Hideo Kato, Soichiro Koshi, Shizuichi Higuchi, and Kazuya Okawa
virtual reality, skill training, training system
Providing suitable stress during training in a virtual environment enhances the effectiveness of the training. This research proposes an effective system that uses a warning sound to induce discomfort. First, several kinds of warning sounds were generated using a PC. Uncomfortable sounds and a normal sound were selected by subjective evaluation methods. The training effect by the warning sounds was examined through a curve tracing task with a graphics tablet and PC monitor. The average operation time is shorter when trained with an uncomfortable warning sound than training with a normal sound although the number of failed operations is greater during training with an uncomfortable sound because of a 'rebound' effect. In conclusion, use an uncomfortable sound for warning when the goal is to reduce operation time and use a normal sound to reduce the number of failures.
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