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Multi-channel data sonification in spatial sound fields with partitioned timbre spaces using modulation of timbre and rendered spatial location as sonification information carriers
Multi-channel data sonification in spatial sound fields with partitioned timbre spaces using modulation of timbre and rendered spatial location as sonification information carriers
A data sonification method for representing multidimensional numerical information with a plurality of variable-timbre channels rendered in a sound field is described. The method includes generation of a plurality of variable-timbre audio waveforms, each having an audio frequency parameter and at least one timbre modulation parameter having an adjustable value that affects the timbre of the audio waveform. The method includes associating aspects of multidimensional numerical data with the timbre modulation parameter of each audio frequency waveform using a mapping element. The mapping element varies values of timbre modulation parameters responsive to selected values from the multidimensional numerical data. The method also positions each audio frequency waveform within a sonically-rendered sound field, associating aspects of multidimensional numerical data with the sonically-rendered position within the sound field. The sound field can be stereo, two-dimensional, or three-dimensional. The mapping element varies sonically-rendered positions responsive to selected values from the multidimensional numerical data.
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