software speech for speakup

Mon May 14 12:04:04 EDT 2001

Thanks for the interesting info on the blazer. So, it looks like a eyes-free install of Linux is not possible on a machine with no serial ports, right?
Greg

On Mon, May 14, 2001 at 11:53:11PM +1000, Kerry Hoath wrote:
> Unless it is a 2.4.x kernel it can't do console on the line printer.
> Even if it does; it won't make the blaser talk; there are no flush codes.
> You need to put the blaser on a serial port and even then I don't know of anything
> other than emacspeak that supports the bns unless cvs speakup does. The blaser
> has old implementations of the bns speech code, but I believe it supports
> indexing. Doing an install of Linux with the blaser would also be rather bad
> since you have no way to shut up the speech, I've done installs like that and
> it gets old real quick especially when the kernel dumps 3k of messages out a
> port.
> If you can't shut it up somehow you don't want it for installs. One disk error
> will win you half an hour of speech you can't cancel, but do give it a try :-)
> 
> Regarding shutting up speakup insert enter doesn't release the numpad and the
> review keys remain active. I was talking of a method to completely release
> certain consoles including the number pad.
> On Sun, May 13, 2001 at 11:29:36PM -0500, Gregory Nowak wrote:
> > I thought we already had the ability to put speakup to sleep and to wake it
> > up with ins+numpad-enter. Also, not to get off topic ... I know there are
> > some of you out there that either have used or are still using emacspeak.
> > Any recommendations on where to start after the howto if I decide to take
> > that route until speakup gets software speech? Also, I was thinking of how
> > to install Linux on such a system without sited help. I've got a braille
> > blazer here. I thought of setting up speech through the blazer's parallel
> > port, and using the line printer console. However, when I include
> > "console=lp0" on the loadlin command line, the kernel oopses, and I don't
> > know of how to activate the console on /dev/lp0 after logon. Any
> > suggestions? Thanks.
> > Greg
> > P.S. The kernel *doesn't* oops if I leave that option out.
> > 
> > 
> > ----- Original Message -----
> > From: "Kerry Hoath" <kerry at gotss.eu.org>
> > To: <speakup at braille.uwo.ca>
> > Sent: Sunday, May 13, 2001 10:57 PM
> > Subject: Re: software speech for speakup
> > 
> > 
> > > Ok so that was all 1 big long line! I won't be slicing that message
> > > down into smaller sections in ed os it remains attached below.
> > >
> > > The fundermental problem with software speech and speakup is this:
> > > speakup gets control extremely early on in the boot process, just after
> > the
> > > console driver or at the same time. At this point; no sound is
> > initialized,
> > > no hard disks are known, ho usb is active, no file systems
> > > are mounted and therefore sound and viavoice can't yet be loaded.
> > > Via voice is a huge application, and putting it into the kernel isn't an
> > > option since it would make the kernel image too large and anything in
> > kernel
> > > image is unswappable and consumes memory.
> > > Not to mention we don't have the viavoice source so we
> > > can't even integrate it if we wanted to.
> > >
> > > It may be possible to do something like keep speakup asleep until viavoice
> > > is running, and make some shim between speakup and viavoice but this
> > > is not trivial. What you are trying to do is take information
> > > from kernel space (console driver) handle it with speakup, hand it to
> > userspace
> > > to a program that mightn't even be running anymore, have that program
> > > synthesize the speech and pass it back to kernel land sound drivers that
> > we
> > > presume you loaded. This is going to make the performance of the system
> > like
> > > cyphoning honey uphill. Even assuming the speakup mods were made by
> > somebody
> > > in the forseeable future, there are many more moving parts to make work.
> > > What if one of the tasks such as viavoice dies or sound drivers unload,
> > how
> > > do we tell the kernel to tell user space to tell the kernel to tell user
> > space
> > > that something ahs gone wrong?
> > > Emacspeak is a user application. It calls a speech server
> > > to interact with its talking device and assumes that sound and viavoice
> > are
> > > in top shape. When the speech server crashes emacspeak respawns it.
> > > What you are asking is for speakup to become re-enterant, the ability to
> > put it
> > > to sleep and wake it up at will and the ability to talk to it from user
> > space
> > > despite the fact it is kernel code and have that kernel code talk back to
> > > user space. This requires a complete redesign of speakup
> > > and although it may be possible, so is Bill Gates giving away all his
> > > money and becoming a hermit.
> > > Even if Kirk changed his mind regarding viavoice tomorrow and coded flat
> > out
> > > until the project was complete it would require months of coding time
> > before
> > > the whole system was usable if indeed it could be done.
> > > Remember Windows screen readers run in user land and although they hook
> > into
> > > the windows subsystems they are applications like any other. Speakup is in
> > > the kernel itself and is part of the operating system.
> > > Ever had jfw or windoweyes crash and lost your speech? Often you are left
> > with
> > > no clue as to why it happend and often jfw is unrestartable. If we were to
> > > have this happen in Linux it may result in bits of the kernel becoming
> > > unusable and could lead to an entire system crash.
> > > My personal recommendation is to learn how to use emacspeak, preferably
> > from
> > > a seasoned emacs user and learn about term mode and shell mode.
> > > W3 is a nice browser, vm works well and so does emacspeak. Once you have
> > this
> > > down pat, you can then use the c-mode in emacs to start writing the code
> > > for speakup and take some of the weight off the existing coders <smile>
> > > If it takes you a week to get emacspeak working for you, it will tide you
> > over
> > > until tuxtalk is ready for prime time.
> > > There are other userland screen readers and one supports software speech
> > can't
> > > remember what it is called. Use that until the massive
> > > modifications are in speakup itself around 2010.
> > > If we get more coders things might go faster, but until then; you might
> > need
> > > to use another solution for accessability if you have no serial ports.
> > >
> > > Regards, Kerry.
> > > On Sun, May 13, 2001 at 06:13:40PM -0500, Gregory Nowak wrote:
> > > > Hi All,
> > > >
> > > > Ok, here is my penny's worth on software speech for speakup. I certinly
> > don't mean to flame or unconstructively critisize here, so please read on if
> > you're interested. There are some of us that don't have serial ports on a
> > PC, but do have a sound card supported in Linux (based on some earlier posts
> > I've seen on this list, I know I'm not alone in this situation). As a
> > result, I would personally like to entirely blow away the other OS on such a
> > machine, and dedicate it to Linux (simply because I'm getting tired of using
> > the other OS on it, and because all its hardware is Linux compatible). I
> > know that Kirk mentioned that he was working on a software synth that would
> > work with speakup in the far future, and that he wouldn't write anything for
> > IBM viavoice, because it wasn't an opensource product. However, as I stated
> > earlier, there are thoes of us that would like to be able to use software
> > speech with speakup in the very soon future (now). Yes, I know that I could
> > use emacspeak which supports viavoice. However, I've recently downloaded it
> > and played with it for two days (even read  the howto). Given a choice of
> > access though, I would much rather stick with speakup. Thus, not writing a
> > driver for a product that is not opensource (and so far for me works without
> > a hitch) is a serious limitation to access. Speakup certinly doesn't have to
> > be distributted with viavoice (emacspeak isn't), but it would be nice to
> > have the option of using it. It shouldn't be that hard to modify a dectalk
> > or doubletalk PC driver to work with the speech engine. I've taken c++ my
> > junior and senior years of high scghool (AP computer science). Even so, I
> > have somewhat of an understanding on how the sample programs work that come
> > with the engine. I also plan to read the API docs, and hopefully learn more.
> > As you can see, I'm not a candidate to write the speakup driver for
> > viavoice, so I'm not volenteering. I certinly wouldn't mind switching to the
> > opensource engine when it became usable. However ... ok, I've wined enough.
> > Kirk, I guess I'm sim
> > > ng your mind regarding viavoice as a speech engine for speakup for now at
> > least. If there is anyone else here that agrees with me, please write so
> > that we could see how many more takers there are, and maybe try to persaude
> > Kirk some more to change his mind. Thanks for reading.
> > > > Greg
> > > >
> > > >
> > > >
> > > > _______________________________________________
> > > > Speakup mailing list
> > > > Speakup at braille.uwo.ca
> > > > http://speech.braille.uwo.ca/mailman/listinfo/speakup
> > > >
> > >
> > > --
> > > --
> > > Kerry Hoath: kerry at gotss.net
> > > alternatives: kerry at gotss.eu.org or kerry at gotss.spice.net.au
> > > ICQ UIN: 8226547
> > >
> > >
> > > _______________________________________________
> > > Speakup mailing list
> > > Speakup at braille.uwo.ca
> > > http://speech.braille.uwo.ca/mailman/listinfo/speakup
> > >
> > 
> > 
> > _______________________________________________
> > Speakup mailing list
> > Speakup at braille.uwo.ca
> > http://speech.braille.uwo.ca/mailman/listinfo/speakup
> > 
> 
> -- 
> --
> Kerry Hoath: kerry at gotss.net
> alternatives: kerry at gotss.eu.org or kerry at gotss.spice.net.au
> ICQ UIN: 8226547
> 
> 
> _______________________________________________
> Speakup mailing list
> Speakup at braille.uwo.ca
> http://speech.braille.uwo.ca/mailman/listinfo/speakup