1Sound Intensity Mapping Based on the Manual Scanning Technique2010 Annual CAA Conference13-15 October, Victoria, BCIntroductionSound intensity measu
2Limits of Existing SystemsSystems or software developed to produce sound intensity maps are expensive and inappropriate for in the field measurements
3Key ElementsPosition Tracking Method.Intensity Measure Blocks Representation.Map Construction.Position Tracking MethodThe position tracking device
4Intensity Measure RepresentationIntensity block representation is based on the Fresnel ellipse.λ/2 = r1+ r2 -r rr2r12 kHz 2 kHz ––6,4 cm6,4 cm4 kHz 4
5Computing Method – Spatial Averaging80 dB80 dB85 dB85 dB90 dB90 dB88.188.187.487.483.183.186.786.7Results – Map viewBackgroundPointsGlobalOpaque
6Spectrum Bands100 Hz125 Hz160 Hz200 Hz250 Hz315 Hz400 Hz500 Hz630 Hz800 Hz1 kHz1,25 kHz1,6 kHz2 kHz2,5 kHz3,125 kHz4 kHz5 kHz6,3 kHz8 kHz10 kHz12,5 k
7ConclusionFast mapping implementationEase of useFast resultsEasy results interpretationA sound mapping method was developed using standard
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