Concurrent Auditory Stream Discrimination in Auditory Graphing

Acta Press
Publication Type:
Journal Article
International Journal of Computers and Applications, 2007, 1 (3), pp. 79 - 87
Issue Date:
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This paper is concerned with enhancing human computer interaction and communication in concurrent streams of auditory display. Auditory display or auditory graphing is the sonic representation of numerical data (the auditory equivalent of visualization). It provides an additional channel for information representation, in which a participant 's response may be more intuitive and immediate than (visual) graphical display. but auditory graph design requires understanding and multi-disci plinary investigatio n of listening due to instantaneous characteristics of sound. Our aims are to explore (I) the impact of spatial separation for a divided attention task and (2) the efficiency of timbre (tone color) to assist pitch contour identification. Our findings about timbral and spatial discrimination are scalable and useful for auditory display in a wide variety of contexts. The results provide empirical evidence for a further investigat ion of spatialization and timbre and contribute to applications within an auditory display context for real-world scenarios (e.g. social, statistical and other datasets likely to be encountered in the workplace).
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