Ambient touch: designing tactile interfaces for handheld devices
Proceedings of the 15th annual ACM symposium on User interface software and technology
Audio-haptic feedback in mobile phones
CHI '05 Extended Abstracts on Human Factors in Computing Systems
Investigating the effectiveness of tactile feedback for mobile touchscreens
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
HAID'06 Proceedings of the First international conference on Haptic and Audio Interaction Design
Multimodal interaction: A suitable strategy for including older users?
Interacting with Computers
Perceived physicality in audio-enhanced force input
ICMI '11 Proceedings of the 13th international conference on multimodal interfaces
Spectral discrimination thresholds comparing audio and haptics for complex stimuli
HAID'12 Proceedings of the 7th international conference on Haptic and Audio Interaction Design
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The use of touch sensitive displays and touch surfaces is just emerging and they are more and more replacing physical buttons. If a physical button is pressed, audio and tactile feedback confirms the successful operation. The loss of audiotactile feedback in touch sensitive interfaces might create higher input error rates and user dissatisfaction. Therefore the design and evaluation of suitable signals is necessary. In literature different researchers discuss implementation and evaluation of audio and tactile feedback for mobile applications using small vibration actuators, e.g. [1,..., 12]. However in ticket machines or automated teller machines the size of the actuator is not a limiting factor. Thus arbitrary vibratory stimuli can be generated. In this study, the tactile feedback is generated using an electro-dynamic exciter which allows amplitudes comparable to physical buttons. Real buttons normally produce multimodal feedback. Therefore multimodal interaction is an important issue for the touch screens. In this study, psychophysical experiments were conducted to investigate the design and interaction issues of auditory and tactile stimuli for touch sensitive displays and the combined influence of auditory and tactile information (i.e. vibration) on the system quality.