We are swimming in sound. It’s everywhere, virtually impossible to escape. Ask yourself when you last heard silence. I mean *absolute* silence. See what I mean? Even when I close my eyes, press my ears shut, and think it’s “oh, so quiet,” like Björk in a yellow dress, I can still hear the blood pumping through my temples like a dull but incessant alarm. Our ears and brains are in receive-mode 24/7, whether we like it or not. Sometimes we can’t even hear the sounds, though we still feel them. Read more: Music for the deaf: the sound shirt And that’s why sound – in all its variations – is such a darned effective tool. It’s a warning, a “non-lethal” weapon, a call to arms and a call to mind the closing doors. We respond to these signals, even if we choose to ignore them, especially when they are loud. But why? “Well, first we’re talking about 110-120 decibels” says Peter Ludewig, managing director at Standby Pintsch Bamag, which makes acoustic warning devices for law enforcement and public transport. “That’s why they’re effective.” And then there’s the recognition value – we recognize certain signals as telling us certain things. That’s also why… Read full this story
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