Even if vibrations from the voices on the surface of the coffee cup were large enough for ARIA to read clearly, there is the question of whether ARIA's vision is fast enough to distinguish separate vibrations. The frequency of human voice goes to 2,000 Hz and a common consumer camera samples at most 25 frames per second. If ARIA was limited in this way, the vibrations would blur together and be indistinguishable. However this assumes that the military's most advanced data gathering machine is limited to parts available in electronics super-stores. It's already established in the movie that ARIA transfers data optically from all her data banks using infrared light, which would require a IR camera with an incredibly high sampling rate - more than enough to sample vibrations from a human voice. Visual sampling of vibrations for eaves dropping is done with lasers. It is currently the only way to keep up with the vibrations. While it is true that there are cameras with a frame rate high enough that they might work, the chances that one such camera just happened to be in that room when ARIA needed it is beyond slim. Also, ARIA was looking at the cup through a window. If she could read the vibrations in the cup, she should have been able to read them in the window, and if not, whatever prevented her from reading the window would also prevent her from reading any vibrations beyond the window.
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05/03/2025 alle ore 07:48
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