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Sound Design
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Arfang: Detection and Localization of Avalanches
IAV Engineering developed the Arfang infrasound acoustic direction finder system in 1997.
Following feasibility studies with LEMA-EPFL in Anzère from 1994, then on the Bonneval-sur-Arc (F) and Taesch-Zermat (CH) experimental sites, the Arfang automatic avalanche detection system continues to be developed and integrated as an operational system.
www.arfang.com
Arfang
Keywords: Arfang, Acoustic Goniometry, Avalanches Forecasting, Avalanches Detection and Localisation, Acoustic Sensor, Mountains, Snow
Publications (PDF format)
A l'écoute... des avalanches, 1997
Détermination des paramètres influant de manière significative sur les performances de localisation de sources sonores, 2002 (Abstract)
Des avalanches sous bonne surveillance, 2001
Goniométrie acoustique, une approche spatio-temporelle, 2001 (Abstract, HTML)
Goniométrie acoustique et estimation des différences de temps de propagation, 2000 (Introduction, HTML)
Acoustic Goniometry Antennas And Algorithms, 2000
Acoustic Sensor To Measure Wind Velocity And Snowdrift For Snow Avalanche Forecasting, 2000
Arfang Innovation - Infrasound acoustic direction finder system