looking to add it back in, but Toyota's silence isn't of the kill-a-biker sort. Toyota has worked internal noise-canceling into its new Crown hybrid, with microphones to pick up engine and road noise, and then speakers to blast out antiphase versions of those noises at head height. Toyota claims it can cut noise by around 5 to 8dB.
Noise-cancelling Toyota Crown zeroes out sounds at head height
Paul Miller|@futurepaul|September 8, 2008 8:26 AM