Evaluating acoustic properties of enclosures by real time digital signal processing |
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| Affiliation: | 1. Xi’an Jiaotong-Liverpool University, Suzhou 215123, China;2. National University of Singapore (Suzhou) Research Insititute, Suzhou 215123, China;3. National University of Singapore, Singapore 117575, Singapore;1. Department of Chemistry and Polymer Science, University of Stellenbosch, Private Bag X1, 7602 Matieland, South Africa;2. Institute Physical Chemistry and Polymer Physics, Leibniz Institute of Polymer Research Dresden e.V., Hohe Strasse 6, 01069 Dresden, Germany |
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| Abstract: | A digital system for evaluating the acoustic properties of enclosures is described. By using an impulsive sound source, the system can display the build up or decay processes of a room from the results of a single experiment, by an approach based on the integrated impulse method. The system can also display the slope of the decay curve based on the first 10 dB of the decay process. By introducing such a system, one can avoid the need for digital computers for this purpose. |
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