[Sportsandrec] Blind skateboarder

[JUSTIN LOUCHART]

Hi, Jody and Kar,

The click is basically made in two different ways. You might try both
and see which is easier for you. First, try and say the ch sound in
English, as in the name Charlie. Keep the tip of your tongue at the ch
place of the roof of the mouth and pull down the back of the tongue.
The other is the same process, but with the shape of the tongue as
which makes the hard K sound, as in King. This latter is what most
find easier.

There are many reasons these formations are the optimal natural calls.
Regarding the myth that the click is somehow obtrusive, that's a
falsehood popularized by hearing echolocaters who for whatever reason
haven't yet learned to hush the intensity of the sound. In experienced
echolocaters, the sound is barely audible, and typically audible only
by those who know what they're listening for. The sound is also
perfectly pitched for human audition, and furthermore, the flexibility
of a tongue click in terms of volume, direction, pitch, location
relative to the ears, and speed are ideally well-suited for humans
across the board. No other echolocation signal is yet optimized for
human echolocation.

Justin Louchart
Perceptual Mobility Coach
World Access for the Blind

On 2/11/13, Carly Mihalakis <carlymih at comcast.net> wrote:
> Hi, Jody,
>
> In an event that no one has yet answered, you sort of slide your
> tongue against the roof of your mouth, in the way that some people
> make a  little noise while they are absent mindedly, pondering
> something. I  have successfully made any type of similar sound,
> functioning as a sort of tongue click, but a little less obvious,
> something that I can only perceive. Play with it, you can use
> anything to offer the same feedback about which you are looking
> device to offer similar  effects of a tongue click, such as drawing
> in some breath between your top teeth. That also works very well in
> situations where one must be quiet, as they try to navigate.
> Car
>
>
>>JUSTIN LOUCHART
>>Sent: Sunday, February 10, 2013 7:59 PM
>>To: Sports and Recreation for the Blind Discussion List
>>Subject: Re: [Sportsandrec] Blind skateboarder
>>
>>Hi, Jody,
>>
>>Ben's echolocation ability was quite good, but by no means unique.
>>Virtually anyone can learn flash sonar to that degree. It simply takes
>>diligence. It's easier than you might think; just most people don't ever
>>have training in it.
>>
>>Justin Louchart
>>
>>On 2/10/13, Jody Ianuzzi <jody at thewhitehats.com> wrote:
>> > Hello all,
>> >
>> > I have been offline for a week so this may be old news.  Ben Underwood
>> > had a remarkable echolocation ability.
>> >
>> > I am sad to say he died a few years ago at only 16 years old.  His
>> > blindness was caused by cancer of the retina and his eyes were removed
>> > when he was 2.
>> > Unfortunately the cancer returned and he died of brain cancer.
>> >
>> > JODY
>> >
>> >
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>>
>>
>>--
>>Justin Louchart
>>JALOUCHART at GMAIL.COM
>>
>>Inveniam Viam Aut Faciam
>>
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-- 
Justin Louchart
JALOUCHART at GMAIL.COM

Inveniam Viam Aut Faciam