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Geoscience Letters

Official Journal of the Asia Oceania Geosciences Society (AOGS)

Fig. 4 | Geoscience Letters

Fig. 4

From: Processing of volcano infrasound using film sound audio post-production techniques to improve signal detection via array processing

Fig. 4

Map, I07AU, I06AU and I04AU raw on top. Batch station level noise reduction is shown below (performed for all stations), both normalized by station (I07AU has more pixels in total than I06AU). After noise reduction, the back azimuth (shown in red) is now clearly identifiable within the rose diagram and allows the signals to be associated

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