Screams can easily be heard through closed doors, but the sound-activated room does not "hear" anything through a closed door when the conversation gets quite "animated" before they enter that room. Also, the sound of a car which the human ear can hear from the inside of the sound-activated room does not trigger it either. However, the sound activation depends on sound waves hitting the inside of the walls rather than the outside.
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05/03/2025 alle ore 08:34
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