>>headphones on REALLY makes it hard to hear other people trying to get
>>your attention! I have had to get used to looking around alot more
>>than I used to. I am sure I look quite paranoid, now. :)
>
>This is bad and potentially dangerous. Mount the headphones in front
>of your ears such that is augments the outside world instead of
>replacing it. The Nortel unit Nitin uses (see the Nomadic Radio
Alternatively, you can use a parallel hearing system that most humans
seem to have the ability to train. It uses nerve conduction to transmit
sounds to an inner ear organ called the saccule, which lower orders,
such as reptiles or fish, use to hear through the skin. Humans use
the saccule for balance but retain the ability to hear through it.
Information on a device that stimulates the saccule via ultrasonic audio
can be found at:
http://www.flantech.com/neuropho.htm
In my experience with the NeuroPhone, I find that I can hear higher
frequency sounds (>10KHz) very well, with the lower frequencies
becoming progressively "muddy". I don't plan on using it to hear speech,
so I'll probably still have a single acoustic speaker mounted near one
of my ears. This should suffice, since you don't need terribly high
fidelity for speech (and stereo is definitely overkill, IMO).
sg
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