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Re: Teleport use of Votrax speech synthesizer - how to get it to work?



On Friday, November 9, 2012 2:45:00 AM UTC-6, Michael J. Mahon wrote:
> The SC-01 chip used in the first Sound-Speech Mockingboards is the direct
> 
> lineal descendant of the Votrax synthesizers. 
> 
> 
> 
> Like most phoneme-based speech synthesizers, it accepts a stream of bytes
> 
> (6-bits of which are the phoneme code). The chip signals when it is ready
> 
> for the next phoneme. 
> 
> 
> 
> You'll have to take a look at the code to determine how the program expects
> 
> to communicate with the synthesizer. The original Votrax was a serial
> 
> interface. The Mockingboard provides access indirectly through a port of a
> 
> 6522 VIA. 
> 
> 
> 
> It shouldn't be to hard to retarget the synthesis code. 
> 
> 
> 
> I don't recall whether the phoneme codes were actually the same from Votrax
> 
> to SC-01, but it's probably no more than a mapping through a table to match
> 
> them up. ;-)
> 
> 
> 
> -michael - NadaNet 3.1 and AppleCrate II: http://home.comcast.net/~mjmahon

Thanks!