Subjective experience methods for early conceptual design of auditory display
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We review a cross-section of subjective experience methods fo- cused on the early conceptual design of auditory displays. The motivation of this review is to support expert and novice design- ers in creating auditory displays in human-computer interaction by introducing them to these methods. A range of available guid- ance and current practice is firstly analysed. Subsequently, the key methods and their concepts are discussed with examples from ex- isting studies. A complementary framework is presented to high- light how these methods can be used together by auditory display designer at the early conceptual design stage. The results from these studies help to demonstrate the need for a greater awareness and use of this type of method in early conceptual design to un- cover pragmatic mental models and associated salient cognitive attributes. The attributes can be related to subjective judgements such as quality, preference, or context among many. This type of approach differs from many quantitative approaches which are strictly focused on the usage aspects of auditory displays. The manner of quantitative approaches is to use hypothesis and valida- tion criteria, however these cannot deal in a structured way with ephemeral judgements such as emotion, mood, or with subject de- pendant information such as tacit knowledge. The increasing use of interactive auditory displays is one area where this type of early conceptual design method can help in ensuring the designed in- teraction and the concrete mapping it uses reflects the considered behaviour of potential users including aspects of the inner needs, desires, and tacit knowledge. This approach will help in consider- ing the emotional, intellectual, and sensual aspects of interactions when designing auditory displays. We close by reflecting on the results and discussing future lines of research using these methods.