RE: Scheme Programming Reference

Subject: RE: Scheme Programming Reference
From: DPawson@xxxxxxxxxxx
Date: Thu, 24 Jun 1999 07:51:38 +0100
>Didier says:
. If we could simply get an aural model, Wow we 
>would have a great tool.

I've spent lots of time doing conversions from
SGML into synth speech, although the 
synthesiser is too simple to reflect all
the options available for navigation -
the main blocker to having a model.

The research indicates that aural
presentation is OK for linear usage,
but when the user wants to 'skim' read
a document, the navigation is the key
element. How to identify aurally that
this is a higher/lower level of heading
than the last one, or some absolute
level? Sonification, voice change are
the favoured means, with user options
selecting the preferred one.

Basic elements of an audio model are
toc (always needed)
'statement(s)' - this could be anything from
a single sentence to a chapter,
then it goes grey. No agreed way of
presenting other views of a document.
Other structural elements are only of
use as per 'skimming' perspective.
No agreed presentation method even
for simple lists. No one has ever tackled tables
in terms of research AFAIK.

Only other variance is in-lines. 
how to indicate a link presence?
How to indicate a visited link?
How to indicate where a link goes to?

emphasis? sonification again?
producer notes (not part of text)?
Diagram descriptions?

TV Raman has the best system, on
emacs, but he uses a $1000 synth,
rather than the more common ones.


>
>regards

DaveP


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