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The guessing game: The following three sketches are made based on general attributes of a pie chart, a line graph and a Venn diagram perceived by sighted users. Please listen to each sketch and try link each one to one of these three diagrams. Please share your results as well as your though process or any interesting points:





The following sonification sketches are based on the attached sketch to explore different ways of sonifying a Pie chart. Unlike the Round#1 Sketches, these ones are made based on a real pie chart and the timing of each value is very close to an accurate measure. A legend has been added to the piece. In the first sketch, the timing and values have 1:1 proportion, however, the timing has been cut into half for the rest of the sketches. Before listening please start with low volume and then adjust based on your preference. The goal is to spot the dominant Operating Systems market shares by listening to the following sketches.






Received Feedback:

  • #1 and #2 -both of these make the relative proportions really clear. Prefer not to hear a pause between the segments, since you’ve got the bell indicating the start of a segment. Remove the Bell sound all together and let the segments flow to each other. It would be easier for user to listen to segments in order.
  • #3 - Difficult to differentiate between the individual sounds.
  • #4 - For the shorter/smaller segments, it may be difficult to hear it over top of all the other sounds. But it is really interesting to see how it describes the relative proportions between the segments as well as each segment relative to the whole. It would be easier for user to listen to segments in order.
  • #5 - This one really confusing - Couldn't tell why some segments overlap and others don’t, and in general couldn’t figure out what was happening.


Round#2 sketches have been edited based on the feedback received from the team. The following changes have been applied:

  • Sketch#1:
    • The segments are ordered from large to small to make it easier for listener to spot the more dominant segments.
    • The bell sound indicating start of a segment has been removed. The moment of silence between segments has been removed.
  • Sketch#2:
    • The segments are ordered from large to small.
    • The bell sound indicating  start of a segment has been removed.
    • The double bell sound that indicates looping is replaced by single bell sound.
  • Sketch#4:
    • The Highlighted pieces are ordered from large to small.
  • Sketch#5:
    • sounds are split into smaller pieces and are more distributed throughout the piece.

Sonification-PieChart-Sketch#1-Legend-ordered-no bell.mp3

Sonification-PieChart-Sketch#2-Legend-ordered-no bell.mp3



Pie Chart Tool

To start exploring how charts and graphs can be visualized, the team is going to test building a tool that can both visualize a pie chart and also create a sonic version of it. The following sketch has been proposed is being reviewed by the team for further modifications.

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