A Low-Cost Intensity Probe

A Low-Cost Intensity Probe

The sound intensity in a sound field can be determinated from two acoustical measurements method, the sound intensity is calculated by means of two spaced microphones. Another method, the p-u method, uses a pressure sensor to measure the sound particle velocity. Using the p-u method, measurements pe...

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Veröffentlicht in:Journal of the Audio Engineering Society 2003-05, Vol.51 (5), p.344-357
Hauptverfasser: Raangs, R, Druyvesteyn, W. F, De Bree, H. E
Format: Artikel
Sprache:eng
Schlagworte:
Acoustical measurements and instrumentation
Acoustics
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Physics
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Zusammenfassung:The sound intensity in a sound field can be determinated from two acoustical measurements method, the sound intensity is calculated by means of two spaced microphones. Another method, the p-u method, uses a pressure sensor to measure the sound particle velocity. Using the p-u method, measurements performed with a low-cost intensity probe and a computer soundcard combined with an open-source software show good agreement with results obtained with a p-p probe.
ISSN:1549-4950
0004-7554