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None of the above, such a feature is not needed. Simply don't blast your music that loudly. I outgrew that when I was about 18.
Many driver already have self-inflicted hearing loss so severe that they might not hear sirens at all any more, even with the windows open and the radio broken.
Many driver already have self-inflicted hearing loss so severe that they might not hear sirens at all any more, even with the windows open and the radio broken.
Not just self inflicted. Many military veterans have a partial hearing loss or severe tinnitus. I can’t hear certain frequencies and I get tinnitus attacks so bad i can’t hardly hear anything other than the ringing. For those who are deaf they could include a dashboard visual alert.
So in heavy traffic all of the cars on the road will be disabled? How will the EV get through if all the lanes are blocked with disabled cars?
By the time this will be implemented, all cars will be EVs and autonomous (electric vehicles), following orders from the central hub anyway and, EVs, emergency vehicles, will be flying if needed. Likely EV - electric vehicle - multicopters. So not problem at all.
You could have sirens simulcast on a broadcast frequency, with all cars equipped to override the sound system. The louder you turn you speakers, the louder the siren becomes in your car..
Effective range? The positions of BOTH vehicles are constantly changing. Do I need to be aware of an EV 5 blocks away on a different road not even traveling in the same direction? What a complete mess that would be!
There's a new device called a Rumbler that projects high-volume, low-frequency sound. It makes cars in its path vibrate in a distinctive way. Its entire raison d'etre is cars that are too well sound-insulated, have loud stereos or drivers with hearing impairment.
I experienced it once during a trial phase. It's... attention-getting.
This is one example of an idea whose time has come. Today’s factory and aftermarket stereos are louder than ever and today’s vehicles are more sound insulated than ever. Those two things combine to make it virtually impossible to hear emergency vehicle sirens when listening to loud music. The most common devices being tested would sense the siren and either turn down the volume of the stereo, mute the stereo, or sound an alert type sound over the music. I’d question if a radio broadcast siren sound would fake out the sensor or is the sensor an external microphone?
If something like this is put into mass production which would you prefer; turn down volume, mute volume, sound an alert, or the option to select one of the three allowing the vehicle owner to select for themselves. I’ll create a poll after this post.
None of the above. Train people to be better drivers. Don't slap another bandaid on cars and trucks that do something for you.
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