These are some work that has been undertaken that relates to my study.
Audio Math- This system presents the design, development and usability of an interactive virtual environment based on audio to develop and use short-term memory and to assist mathematics learning in children with visual disabilities. Children are required to identify numbers and carry out mathematical actions based on short-term auditory memory. It was reported that the sound feedback was limited in its quality and the way in which it is represented. It does not guide children to the right answer only provides confirmation when they've arrived at it.
Brewster et al compared user's ability to recall information about icons and menu items with the aid of earcons. Lemmens et al compared the use of earcons and auditory in visual categorization task
| Term | Definition |
| Earcons | ‘Non verbal audio message that are used in the computer/user interface to provide information to the user about some computer object, operation or interaction’ Blattner et al. Earcons are composed of motives, which are short, rhythmic sequences of pitches with variable intensity, timbre and register |
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