[access-uk] Re: problems with nvda nd super nova
- From: "Adrien Collins" <adriencollins22160@xxxxxxxxx>
- To: <access-uk@xxxxxxxxxxxxx>
- Date: Thu, 22 Nov 2012 10:52:17 +0100
Hi Michael
A couple of things, I use nvda as a portable package, I use
super nova for speech and not magnification. Yes I suppose
for me it's probably laziness or speed to just mute super
nova with ctrl 0 which turns the voice off, and launch nvda
and vice versa, I have created some batch files to quit one
and launch the other. Didn't realise about the hooks. That
must be the problem apart from trying to use 2 screen
readers at once. Thanks.
Adrien
-----Original Message-----
From: access-uk-bounce@xxxxxxxxxxxxx
[mailto:access-uk-bounce@xxxxxxxxxxxxx] On Behalf Of Michael
A. Ray
Sent: 22 November 2012 00:18
To: access-uk@xxxxxxxxxxxxx
Subject: [access-uk] Re: problems with nvda nd super nova
Adrien,
The first part of your email said you quit Firefox and NVDA.
The second
part says you re-started Supernova and pressed control zero
to mute it
and NVDA 'shut off'. But you had already exited NVDA?
1. You shouldn't try to run two screen-readers at the same
time because
they use a technique called 'Hooks' to intercept Windows
messages which
are being sent to controls on the screen. If you have more
than one
screen reader running it creates a hook chain that can get
very messy
and each screen-reader can upset the other. Whichever
screen-reader is
loaded second will be at the start of the message hook chain
and will
intercept and maybe not pass-on the event messages to the
next
screen-reader.
2. You can silence Supernova by pressing control. Of
course that
doesn't mute it, but just shuts it up for it's current
utterance.
Are you using Supernova for it's magnification? I suspect
that might be
the case, but see the points in (1) above.
Mike
On 21/11/2012 22:49, Adrien Collins wrote:
> Hi
>
> I was using firefox and nvda, closed firefox and quit
nvda,
> put super nova back on, I just use ctrl 0 to mute the
> speech, it normally works ok, but super nova 13 just froze
> up and when I went to task manager to end task on hal.exe,
> nvda shut off as well, why does this happen? The only way
> for me to get some speech back was to reboot my pc, of
> course being windows 7 pro, it ran scandisk before it
loaded
> windows. Is there a better way of doing this? I use
firefox
> 13 and nvda 12.03 and windows 7 pro.
>
> Adrien
>
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--
Michael A. Ray
Analyst/Programmer
Witley, Surrey, South-east UK
Ham Radio Callsign: G4XBF, licenced since 1982
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