Designing interactive pneumatic interfaces for enhanced movie responses

Movies, as a comprehensive art form, have traditionally focused on visual and auditory elements, with most advancements aimed at enhancing resolution and sound quality. However, innovative technologies are beginning to integrate multimodal experiences, shifting toward interactive cinema that engages additional senses beyond sight and sound. In this paper, we introduce the design of a bioinspired pneumatic haptic interface that enhances emotional responses during movie watching. This system leverages dynamic shape changes and surface texture patterns to create a tactile dimension that aligns with the emotional tone of the movie, enabling richer sensory engagement. Our experiments reveal that congruent haptic feedback—where tactile stimuli align with the emotional content of the movie—significantly enhances emotional responses, particularly for high-arousal, positive-valence emotions such as excitement and joy. Parameters such as high-frequency and goosebump-textured stimuli amplify engagement in dynamic scenes, whereas low-frequency and smooth textures enhance calm and serene moments. Conversely, noncongruent stimuli disrupt emotional coherence, highlighting the critical role of alignment between haptic feedback and cinematic content. This work highlights the unique advantages of pneumatic haptic interfaces, such as their ability to deliver bioinspired, dynamic tactile experiences that go beyond traditional vibrotactile systems. By engaging viewers through tactile congruence, these systems offer a novel approach for immersive, emotional storytelling. The findings provide insights for designing adaptive, multisensory interactive systems in entertainment, therapeutic contexts, and beyond, advancing the field of affective communication and interactive media technologies.