driving a serial synthesizer through speech-dispatcher

[John Covici]

The reason I got interested in speechd-up is that the espeak module
does not let you use the equivalent of indexing, as far as I know, to
test in a document try speakup-r and see if it works.

On Fri, 07 Feb 2020 18:02:58 -0500,
Gregory Nowak wrote:
> 
> I forgot to add one more thing. The idea of using speechd-up to let
> both speakup and gnome-speech use speech-dispatcher is not a bad
> one. However, speechd-up was written as a proof of concept, and
> doesn't implement full functionality like espeakup does. I suppose I
> could look at that code too, and polish it to the level of espeakup,
> but I frankly don't feel like it. A different module to drive a
> different synth would still be required if speakup didn't do the heavy
> lifting, instead of writing just one module.
> 
> Greg
> 
> 
> On Fri, Feb 07, 2020 at 09:10:24AM +0100, Samuel Thibault wrote:
> > > An even better approach is to use
> > > /sys/accessibility/speakup/synth_direct for the speech output. This
> > > would use speakup settings in use for the synthesizer. The problem
> > > with this is the same as with the cat command; no way to interrupt
> > > speech,
> > 
> > Indeed. But there is another approach, which was made for this: using
> > /dev/synth. For now that file only supports writing to it to get
> > text emitted, but ioctls can be defined to drive it, such as setting
> > pitch etc. in a portable way across synthesizers (speakup will handle
> > these details), but also interrupting. That all happens in speakup's
> > devsynth.c and can be a relatively easy task for kernel hacking
> > beginners.
> > 
> > Samuel
> > _______________________________________________
> > Speakup mailing list
> > Speakup at linux-speakup.org
> > http://linux-speakup.org/cgi-bin/mailman/listinfo/speakup
> 
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-- 
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         John Covici wb2una
         covici at ccs.covici.com