[BRLTTY] NVDA and BRLTTY

Dave Mielke dave at mielke.cc
Tue May 31 12:23:41 EDT 2016


[quoted lines by John J. Boyer on 2016/05/31 at 10:29 -0500]

>On Linux BRLTTY has its own drivers for all supported displays. Isn't this 
>true on Windows also? 

Yes, it's true on Windows as well.

>Why doesn't NVDA just include BRLTTY automatically? It apparently expects one 
>to go into its menus to make Braille choices. 

I'm not sure that any of us can answer this question as it's ultimately an NVDA 
issue. What I do know is that NVDA has some of its own drivers, and also offers 
the ability to use brltty instead.

Here's my guess. Please remember that that's all it is. This isn't an 
authoritative opinion of any kind or in any way.

NVDA probably started out as a free alternative to the various expensive 
Windows screen readers. Using brltty probably didn't even occur to them at the 
outset. It could even be that brltty didn't run on Windows and/or that BrlAPI 
hadn't been developped way back whenever NVDA was started. If this is the case 
then it would've made sense to use manufacturer-supplied braille drivers since 
the purchase of a braille device entitled its owner to use its Windows drivers.

>SinceI am deaf-blind, I can't use speech.

Perhaps you could ask the NVDA people to implement a way to start NVDA with a 
command line option that'd let you specify which braille driver (in your case, 
brltty) to use. Perhaps it could have even more command line options, i.e. one 
for each setting that you might want/need to specify without having to go into 
its settings screens.

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