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Acoustic visualizations using surface mapping
Samuel Siltanen1, Philip W Robinson1, Jukka Saarelma1
1Aalto University School of Science, Department of Media Technology, P.O. Box 15500, FI-00076 Aalto, Finland Samuel.Siltanen@aalto.fi, Philip.Robinson@aalto.fi, Jukka.Saarelma@aalto.fi, Jukka.Pätynen@aalto.fi, Sakari.Tervo@aalto.fi, Lauri.Savioja@aalto.fi, Tapio.Lokki@aalto.fi.
The Journal of the Acoustical Society of America
|June 9, 2014
Summary
This study introduces a new method for visualizing sound reflections in room acoustics. The technique maps reflections to their origin surfaces, creating animations for spatial acoustic analysis.
Area of Science:
- Room acoustics
- Acoustic measurement
- Spatial audio analysis
Background:
- Sound visualizations are crucial in room acoustics.
- Evolving acoustic measurement techniques require intuitive data representation.
- Microphone array processing enables spatio-temporal acoustic property measurement.
Purpose of the Study:
- To develop an intuitive method for visualizing complex acoustic data.
- To map acoustic reflections to their originating surfaces.
- To present animations as a spatial acoustic analysis tool.
Main Methods:
- Mapping visual representations of acoustic reflections.
- Utilizing microphone array processing for data acquisition.
- Developing animation techniques for data display.
Main Results:
- Successful mapping of reflections to origin surfaces.
- Creation of animations illustrating spatio-temporal acoustic properties.
- Demonstration of a novel spatial acoustic analysis tool.
Conclusions:
- The developed method provides an intuitive way to analyze complex acoustic reflection data.
- Animations offer a powerful tool for understanding room acoustics.
- This approach enhances the visualization of spatio-temporal acoustic properties.
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