software speech for speakup

[Shaun Oliver]

hey kerry? what's the betting he used monolog? hahaha
a doubletalk clone basicly.


Shaun..
"We realise we have a problem with communication. However, we're not going
to discuss it with our staff."
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On Mon, 11 Jun 2001, Kerry Hoath wrote:

> You're over symplifying here. Good text to speech with real speech
> synthesis for example rsynth requires a fair bit of floating point to achieve.
> It would run a tad slugishly on my 486dx/33 with 80% cpu usage.
> I'd hardly call this minimal cpu cycles.
> What text to speech used to run on your 386? sbtalker? That's got more
> than one patent on it and we can't use their technology even if they would
> give it to us.
> 
> Yes esound can mix audio streams but now we need to wait not only for the sound
> drivers to load but we'd better hope esound initializes properly or we get no speech.
> Note that mixing channels in software with esound is expensive cpu-wise, and
> we're allready burning cycles in kernel space for speakup and for the synthesis.
> Also note that we need to retain some degree of responsiveness with this system; how long
> is it going to take when we hit the shut up key for all the buffers to empty or for outgoing
> speech to be killed? Do we have a synthesis buffer that must also be flushed?
> 
> I'm one of the first ones to say I want software speech for speakup one day, but let's firstly
> get in kernel speech (tuxtalk) working so we have a
> small free speech engine available for our use.
> Using IBM Viavoice isn't an option for everyone since there are lisencing restrictions.
> 
> Regards, Kerry.
> On Sun, Jun 10, 2001 at 11:21:30PM +1200, Bruce Kingsbury wrote:
> > 
> > > > 1: aAs far as I'm aware, software synthesys ties up a great deal of system
> > > > resources including the sound card unless of course you run a sb-live.
> > 
> > How much is "a great deal" exactly..? software speech was possible on my
> > old 386 and even the most low-end pentium runs 50 times the speed of that!
> > tts takes only a tiny fraction of the CPU power required for speech
> > recongition or a winmodem.
> > 
> > > Geoff pointed out that you can get a card with multiple streams. There are
> > > a number able to do this. But there are other considerations.
> > 
> > Not a consideration at all, 'esd' will happily mix as many different
> > audio streams as you want and play them all through a simple SB16 or
> > onboard ES chip.. just make your TTS output through esd rather than
> > direct to /dev/dsp
> > 
> > 
> > 
> > 
> > _______________________________________________
> > 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
> 
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