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Re: libretto vs visionbook

From: "Greg E. Priest-Dorman" <>
Date: Fri, 17 Apr 1998 08:38:58 -0400

>>>>> "Thad" ==   <> writes:

>> headphones on REALLY makes it hard to hear other people trying to get
>> your attention! 

Thad> This is bad and potentially dangerous.  Mount the headphones in front
Thad> of your ears such that is augments the outside world instead of
Thad> replacing it.  

I find it realy depends on how use to getting information of a
particular type from a particular modality you are.  If text-to-speech
output is new to you, it will be very distracting.  Just because you
have a lifetime of listening to people talk, does not mean you are
used to hearing written language - there are differances.

I use cheep, off the shelf stereo "open air" headphones which do a
good job of augmenting rather than obscuring outside world sound.  I
remove or move them for social reasons, not aural ones.

When you go to the store to buy headphones, put them on and don't play
anything though them.  That will give you an idea of how much sound
they block.

That being said, while driving I hook the system up throught the car
casset deck so I am not driving with headphones on.  

Additionaly, for the first few years I removed one of the speakers

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