The invention relates to a marine device with a shell (3), including a detection system for one or more marine mammals. The detection system includes at least one sensor (2) for receiving the sound signal and converting it into an electrical signal and an analysis system (1) (c)Configured to analyze an electrical signal provided by the at least one sensor. The at least one sensor (2) is coupled to the housing (3) on the inner side of the housing (3) to allow the sound signal to be received through the housing (3). The invention also relates to a corresponding process.Abstract figure: Figure 1
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