Toyota demos Prius' proximity notification system, touts 'futuristic' purr (video)
Silence could also be a advantage underneath most circumstances, however not once you’re driving round a leafy, residential neighborhood in your Toyota Prius. That is why the producer got here out with its very personal car proximity notification system final yr — a “futuristic,” underhood noisemaker designed to alert pedestrians and the visually impaired to the plug-in’s presence. Now, Toyota has provided extra particulars on its security system, in a freshly launched demo video starring the 2012 Prius V. The automotive’s synthetic engine noise, as the corporate explains, solely kicks in at speeds under 15 miles per hour, permitting it to broadcast its audible heads-up throughout parking tons or different low-velocity zones. The sound itself, in the meantime, emanates from exterior audio system and consists of a mix of excessive and low frequencies that will not be by muffled by background noise or bodily obstacles. The car’s pitch shift know-how additionally allows the tone to rise in pitch because the automotive hurries up and to fall because it slows down, giving others an concept of how briskly it is approaching. Speed up previous the break to see the complete video for your self, whereas John Kerry nods in silent approval.
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