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PICList Thread
'[OT]: Voice Recognition'
2001\04\07@003525 by Gaston Gagnon

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Did any one ever built the project "Tiny Voice Circuit (circuit cellar#91) with a PIC ?
As the algorithm is not obvious the translation from 68HC705 assembler to PIC's is not and easy task
to say the least :(

For the time being I would like to give it a go with the original design but I have no mean to
program the Motorola chip.

As it will be a one time job, it makes no sense buying a development system for this chip.
I would greatly appreciate if anyone could provide me with some information or pointer on the
programming of the 68HC705J1A ?

Regards,
Gaston Gagnon

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2001\04\07@120037 by Thomas N

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Why don't you buy a Voice Recognition from Sensory.  It's already built.

Thomas


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2001\04\07@123133 by Gaston Gagnon

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Thomas N wrote:
>
> Why don't you buy a Voice Recognition from Sensory.  It's already built.
>
> Thomas

Thank you for the link Thomas.
The intent here is to include some voice recognition in a student's project that is already in the
making. Although he did not have all the information, he has included the circuitry on his pcb. So
it is a little late to revert to something else.

Gaston

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2001\04\07@145557 by myke predko

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Hi Gaston,

Motorola does not provide much of the same information for their
microcontrollers (including the 68HC05) as other manufacturers.  There are
some versions of the 68HC05 that are relatively easy to program (ie require
few parts), but they need software downloaded from the Mot web site.

This means that you can't cobble together a programmer like you can with the
PICmicro.

What are the problems that you are having translating the code?  While it
won't be a 1 to 1 translation, it shouldn't be that hard to do it.

myke

{Original Message removed}

2001\04\07@181051 by James Newton

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Post the 68HC705 code and maybe someone will help out with the
translation...

...I'd love to post some voice recognition code on the piclist.com site...

...so how about this?

I propose a code challenge to translate this code for the PIC or write
equivalent code and the first person to post a working result gets a
write-up and "attaboy" (or "attagirl") on the bottom of every piclist.com
page for a month.

James Newton, PICList Admin #3
.....jamesnewtonKILLspamspam.....piclist.com
1-619-652-0593 phone
http://www.piclist.com

{Original Message removed}

2001\04\08@012920 by Gaston Gagnon

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Hi James and Myke

James Newton wrote:
>
> Post the 68HC705 code and maybe someone will help out with the
> translation...
>

The schematic for this project can be found in the Circuit Cellar magazine #91 and the code in the
file tinyvoice.zip at:
 ftp://ftp.circuitcellar.com/pub/Circuit_Cellar/1998/Issue_91/

As far as I am concerned, the problem resides in deciphering the algorithm used to create unique
pattern for each word the system is being trained for.
Being fluent in 705's assembler would certainly help filling the gaps between the coarse organigram
included in the magazine and the actual code.

As far as programming the 68HC705J1A, I subscribed to the Motorola 68HC05 list two days ago but the
traffic seems very low since I did not receive a single message yet.

In the mean time if someone could provide a pointer on how to actually transfer the program on the
beast this would be of great help in keeping me going.

Regards,
Gaston.

{Quote hidden}

> {Original Message removed}

2001\04\08@123617 by Gaston Gagnon

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The complete article titled "Low-Cost Voice Recognition" written by Brad Stewart may be downloaded
from:

http://www.circuitcellar.com/pastissues/articles/Stewart91/Stewart-91.pdf

and the code from:

ftp://ftp.circuitcellar.com/pub/Circuit_Cellar/1998/Issue_91/tinyvoice.zip

Gaston

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