Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Parameter Mapping Sonification(also: Parameter Mapping, Auditory Parameter Mapping)
- A sonification technique that represents changes in data dimensions through corresponding changes in auditory dimensions such as pitch, loudness, timbre, spatial position (panning), tempo, or reverberation. Unlike auditory icons (which use recognizable real-world sounds) or…
- Pitch Mapping(also: Pitch-Y Mapping, Frequency Mapping)
- A sonification technique that maps data values to auditory pitch, where higher values produce higher-pitched sounds and lower values produce lower-pitched sounds. In accessibility contexts, pitch mapping is commonly used to represent the vertical position (Y-axis) of data points…
- Pitch Polarity(also: Pitch Mapping Direction)
- The direction in which pitch changes correspond to navigation direction in an auditory interface — specifically, whether pitch increases (ascending polarity) or decreases (descending polarity) as a user scrolls downward through a list or menu. Pitch polarity is a design variable…
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