46 research outputs found
Effects of feedback, mobility and index of difficulty on deictic spatial audio target acquisition in the horizontal plane
No full textWe present the results of an empirical study investigating the effect of feedback, mobility and index of difficulty on a deictic spatial audio target acquisition task in the horizontal plane in front of a user. With audio feedback, spatial audio display elements are found to enable usable deictic interac-tion that can be described using Fitts law. Feedback does not affect perceived workload or preferred walking speed compared to interaction without feedback. Mobility is found to degrade interaction speed and accuracy by 20%. Participants were able to perform deictic spatial audio target acquisition when mobile while walking at 73% of their pre-ferred walking speed. The proposed feedback design is ex-amined in detail and the effects of variable target widths are quantified. Deictic interaction with a spatial audio display is found to be a feasible solution for future interface designs
It sounds sustainable: practices in designing sound for sustainability
No full textDesign for sustainability has received significant attention in the past years. Starting from green design, the focus gradually shifted towards eco-design, the circular economy, and sustainable development. Meanwhile, design for pro-environmental behavior highlighted the importance of designing for a sustainable use phase of products. Sound design encompasses several practices, such as in sound for film, radio and podcasting, sound for interaction and games, and product sound design. Sound is an important element of any experience and can convey several emotional and aesthetic product qualities. However, the relationship between designing sound and designing for sustainability has not received much attention. Motivated by this, we review here situations in which sound design has been used when designing for sustainability or sustainable behavior. Subsequently, we relate this to the broader perspectives offered by design for sustainability and identify opportunities for cross-fertilization between the two fields
A comparison of feedback cues for enhancing pointing efficiency in interaction with spatial audio displays
No full textAn empirical study that compared six different feedback cue types to enhance pointing efficiency in deictic spatial audio displays is presented. Participants were asked to select a sound using a physical pointing gesture, with the help of a loudness cue, a timbre cue and an orientation update cue as well as with combinations of these cues. Display content was varied systematically to investigate the effect of increasing display population. Speed, accuracy and throughput ratings are provided as well as effective target widths that allow for minimal error rates. The results showed direct pointing to be the most efficient interaction technique; however large effective target widths reduce the applicability of this technique. Movement-coupled cues were found to significantly reduce display element size, but resulted in slower interaction and were affected by display content due to the requirement of continuous target attainment. The results show that, with appropriate design, it is possible to overcome interaction uncertainty and provide solutions that are effective in mobile human computer interaction
Zwischenräume - A Case Study in the Evaluation of Interactive Sound Installations
No full text(Abstract to follow
Blamberger, Sebastian: "Development of a modular system for speaker array prototyping
No full textToningenieur-Projekt
201
Pfanzagl, Edwin: Das Blumlein-Pfanzagl-Triple - Theorie und Erfahrungen im Praxistest
No full textToningenieur-Projekt
201
Auditory perception of spatial extent in the horizontal and vertical plane
No full textGraz, Univ. für Musik und darstellende Kunst und Technische Univ., Masterarb., 201
Hölzl, Josef:"An initial Investigation into HRTF Adaptation using PCA
No full textToningenieur-Projekt
201
Pictorize: Transforming image region luminosity to sound brightness for monitoring location
No full textA novel algorithm for transforming static and moving images into sound is presented. The algorithm turns image areas into a sound whose brightness depends on image area luminocity. Subjective evaluation investigated the extent to which listeners could identify if a moving target entered an image area based on the timbre of the sound produced from a sonified camera stream, while engaging with a parallel transcribing task. Results show that listeners identified target entries well above threshold, however, false detections increased for image regions of similar luminosity. Although providing visual feedback improved monitoring performance significantly, it increased dual-task cost when both displays were not accessible by peripheral vision.publishedVersio
Amon, Clemens: Design and Evaluation of an EMG-based Recording and Detection System
No full textToningenieur-Projekt
201
