Design considerations for improving the effectiveness of multitalker speech displays
Brungart, D. S.
Simpson, B. D.
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Although many researchers have commented on the potential of audio display technology to improve intelligibility in multitalker speech communication tasks, no consensus has been reached on how to design an ``optimal'' multitalker speech display. This paper reviews a set of experiments that used a consistent procedure to evaluate the impact of six different parameters on overall intelligibility in multitalker speech displays: 1) the signal-to-noise ratio; 2) the number of competing talkers; 3) the voice characteristics of the talkers; 4) the relative levels of the talkers; 5) the apparent locations of the talkers; and 6) the listener's a priori information about the listening task. The results are discussed in terms of their implications in the design of more effective multitalker speech displays.