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Re: Software Speech (Re: ibm tts run-time engine purchasing alternatives)

I still see a reasonable number of crashes - far less than with the
software dectalk and probably about the same as the old ViaVoice I was
using prior to the c++ library changes (was that version 4.

funny enough, I seem to have been getting fewer crashes with the OSS
emulation layer than with the direct ALSA supported version, though
that is a bit subjective and I really need to quantify that.

For me, the crashes seem to occur if I'm moving the cursor around very
quickly and speech is getting interrupted - I've not noticed any
difference when other sound streams are being processed. However I'm
using the SB Live sound card on both the systems I'm running on.


T. V. Raman writes:
 > ViaVoice does not have a native x86_64 version --- but the 32 bit
 > version on my AMD64 is very stable.
 > Most of the crashes you are seeing -- both the  older ViaVoice
 > and Software Dectalk are a result of their writing directly to
 > the audio device using OSS. 
 > Emacspeak Viavoice servers have   avoided this by getting wave
 > output back in memory and handling it cleanly -- and with the
 > ALSA support, the crashes are mostly gone --- I still see a few
 > restarts on my laptop when there are multiple channels of audio
 > happening in parallel.
 > >>>>> "Jason" == Jason White <jasonw@ariel.its.unimelb.edu.au> writes:
 >     Jason> Along similar lines, I've managed to set up software
 >     Jason> DECTALK 4.61 with 32-bit versions of tcl and all
 >     Jason> necessary libraries to run on my AMD64 laptop. It
 >     Jason> isn't very reliable, however, and crashes quite
 >     Jason> unpredictably. Until I upgraded the kernel to use
 >     Jason> udev, one symptom of the problems was that the
 >     Jason> permissions on /dev/audio would somehow be changed to
 >     Jason> exclude write access whenever a crash happened, so
 >     Jason> I'de have to become root and fix it before restarting
 >     Jason> the speech server.
 >     Jason> 
 >     Jason> After the kernel upgrade, the system now uses udev
 >     Jason> rather than devfs for device management and
 >     Jason> consequently, for some reason, the permission problem
 >     Jason> is gone, though unfortunately not the crashes
 >     Jason> themselves.
 >     Jason> 
 >     Jason> On campus I now have access to a braille display, thus
 >     Jason> the speech problems are more of an annoyance than a
 >     Jason> major obstacle: I just bring in my laptop, connect the
 >     Jason> braille display and get work done. I'll probably try
 >     Jason> ViaVoice when it becomes available, especially if they
 >     Jason> have a native x86_64 version.
 >     Jason> 
 >     Jason> -----------------------------------------------------------------------------
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 > -- 
 > Best Regards,
 > --raman
 > Email:  raman@users.sf.net
 > WWW:    http://emacspeak.sf.net/raman/
 > AIM:    emacspeak       GTalk: tv.raman.tv@gmail.com
 > PGP:    http://emacspeak.sf.net/raman/raman-almaden.asc
 > Google: tv+raman 
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