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'PIC generated phonemes?'
2000\05\05@153530 by Nathan Hendler

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Ok, I'm guessing that the answer to my question is, (a) PIC's don't have
enough memory (b) PIC's aren't fast enough or (c) you're a morron, it's
(d)

Has anyone tried to get a PIC to generated phonemes in order to generate
speech?  Obviously I know nothing about this.  I do know that it's hard to
find chips that do this.  I just thought that a pic hooked up as a slave
with parallel inputs and a output to a LM386 to a speaker could work?  You
know:

1001 ooh
1010 aah
:)

Maybe status lines would be needed too, I don't know.  Way beyond me.
Anyone tried?

Nathan Hendler
Tucson, AZ USA

2000\05\05@161353 by jamesnewton

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A SX (PIC clone)
http://techref.massmind.org/scenix
hooked up to a big flash memory
http://techref.massmind.org/atmel/at45d081
which gives you storage for 1Mbyte of phoneme wav data
and running a hand coded SPI routine to readout the data at better than
20kbps and
and running a PWM out virtual peripheral to recreate the wav
http://techref.massmind.org/io/pwm
to a LM386 or other amp

Could do it. Devote a few months of Saturdays and become famous.

Actually, its already been done with far less.
http://www.circuitcellar.com/pastissues/articles/richey110/text.htm

There are other methods (LPC, bi and tri phones?) of joining sounds
together that produce better speech from less data.
http://www.speech.cs.cmu.edu/comp.speech/

---
James Newton spam_OUTjamesnewtonTakeThisOuTspamgeocities.com 1-619-652-0593
http://techref.massmind.org
All the engineering secrets worth knowing

{Original Message removed}

2000\05\05@184332 by Josh Koffman

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Nathan Hendler wrote:
{Quote hidden}

Nathan,
Back in the early 90s I think, there was a text to speech chip called
the SPO-AL-256. At least that's what I think it was called. The number I
gave might have been the voice recognition chip available at the same
time :) Anyways, it did exactly what you ask for. I doubt it is still
available, but maybe you can find some information on it that may help?
If that isn't the correct number, let me know and I might be able to
find the correct one.

Josh Koffman
.....joshyKILLspamspam@spam@mb.sympatico.ca

2000\05\05@185221 by Josh Koffman

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{Quote hidden}

Nathan,
Of course as soon as I sent the last email, a new idea occurred to me. I
know of a friend who is using a voice storage chip to store numbers and
then recall them at will. I don't know if the chip is fast enough, but
if you stored individual phonemes, you can recall them in whatever order
you wish. That way you could use the pic to remember the locations of
the correct phoneme, and select it by putting a value on another port. I
can ask him to get in touch with you if you wish. Hope this helps!

Josh Koffman
joshyspamKILLspammb.sympatico.ca

2000\05\05@185830 by andy howard

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> From: "Josh Koffman" <.....joshyKILLspamspam.....MB.SYMPATICO.CA>
> Nathan Hendler wrote:
> >
> > Ok, I'm guessing that the answer to my question is, (a) PIC's don't
have
> > enough memory (b) PIC's aren't fast enough or (c) you're a morron,
it's
> > (d)
> >
> > Has anyone tried to get a PIC to generated phonemes in order to
generate
> > speech?  Obviously I know nothing about this.  I do know that it's
hard to
> > find chips that do this.  I just thought that a pic hooked up as a
slave
> > with parallel inputs and a output to a LM386 to a speaker could
work?  You
> > know:
> >
> > 1001 ooh
> > 1010 aah
> > :)
> >
> > Maybe status lines would be needed too, I don't know.  Way beyond
me.
{Quote hidden}

help?
> If that isn't the correct number, let me know and I might be able to
> find the correct one.


I think Oki still do a text-to-voice chip.








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