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problem with fonix DECtalk on Dell D-400 under Fedora core 1

I realize this is, technically, not an emacspeak problem, although it
is making emacspeak unusable.  
Speech is being rendered  at double speed and double pitch.  
The audio device on this machine is an I810.  Looking at the driver
comments it seems to require 16-bit stereo samples.  both "say" and
the dtk-soft tcl script don't generate these by default.  Whether
there's an option for doing this isn't clear (the copy of the software
I collected from fonix didn't have the library documented, presumably
because it's a run-time not development version).   

Options I see are:
Find fix for I810 driver.  

hack dtk-soft to divide speed and pitch by two.  I've tested this for
speed but couldn't do it for pitch.

Try to use the sox library downstream of libtts.  I don't know if this
is possible.

Any alternatives?

As a more general comment, this is the third Laptop on which I've
installed Linux and the audio hardware has been by far the largest
problem each time.  I wonder if screen users also find those a
Peter Rayner
LSCE - CEA de Saclay
Orme des Merisiers, 91191 Gif/Yvette
work: +33  (1) 69 08 88 11;	mobile: +33 (6) 75 46 56 52;	 fax: +33 (1) 69 08 77 16
mail-to: peter.rayner@xxxxxxxxxxx

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