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Speech in PEB project maybe


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#1 Shift838 OFFLINE  

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Posted Fri Apr 13, 2018 8:25 AM

I'm thinking of using the design i found on mainbyte to make a speech in peb plane board.

 

The drawing has one part that is confusing me. See photo.  I have looked at Thierry's website too which has the same concept but do not know if it's another LS00 chip or what.

 

Anyone?

 

 

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#2 RickyDean OFFLINE  

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Posted Fri Apr 13, 2018 8:49 AM

I'm thinking of using the design i found on mainbyte to make a speech in peb plane board.

 

The drawing has one part that is confusing me. See photo.  I have looked at Thierry's website too which has the same concept but do not know if it's another LS00 chip or what.

 

Anyone?

 

 

I was building a speech board, based on some info back in the day, on perf board. I know where the board is, to trace that out, but it would be Monday before I can post a possible answer. Someone else probably already knows or can get an answer faster, but I will post it Monday, if possible, otherwise 



#3 Ksarul OFFLINE  

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Posted Fri Apr 13, 2018 9:38 AM

I have an experimental layout for this board that I've been debugging off and on since the 2016 Chicago Faire (health kept my hobby time limited for most of last year, but I am getting back up to speed now). The original and updated versions of the schematic are in the documentation thread. . .and they properly identify the components. That may help you--and it may help my debugging too with another set of eyes playing with it. Shall I send you one of my assembled test boards, Chris? It has all of my known corrections applied to the board already. . .it works, but the sound is still a bit garbled, which tells me it is probably a timing delay issue. I just have to play with some trace lengths to see if that resolves the remaining issues. . .



#4 Shift838 OFFLINE  

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Posted Fri Apr 13, 2018 9:56 AM

I have an experimental layout for this board that I've been debugging off and on since the 2016 Chicago Faire (health kept my hobby time limited for most of last year, but I am getting back up to speed now). The original and updated versions of the schematic are in the documentation thread. . .and they properly identify the components. That may help you--and it may help my debugging too with another set of eyes playing with it. Shall I send you one of my assembled test boards, Chris? It has all of my known corrections applied to the board already. . .it works, but the sound is still a bit garbled, which tells me it is probably a timing delay issue. I just have to play with some trace lengths to see if that resolves the remaining issues. . .

 

I'll look for one documentation thread.  If you want to send me a board, then that would be great.



#5 mizapf OFFLINE  

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Posted Fri Apr 13, 2018 10:58 AM

The 74LS00 has four NAND gates, so I would guess this is just one of them. What was your question?



#6 --- Ω --- OFFLINE  

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Posted Fri Apr 13, 2018 11:10 AM

A few years ago Greg Warner started a project in << THIS THREAD >> for just such as device.  It's been long abandoned, but maybe if someone gets a hold of him he might possibly part with the info to get it completed.  It's worth a shot anyway.

Also with a future TIPI IN A P-BOX this may be very popular.

#7 Shift838 OFFLINE  

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Posted Fri Apr 13, 2018 11:48 AM

A few years ago Greg Warner started a project in << THIS THREAD >> for just such as device.  It's been long abandoned, but maybe if someone gets a hold of him he might possibly part with the info to get it completed.  It's worth a shot anyway.

Also with a future TIPI IN A P-BOX this may be very popular.

 

I have reached out to him on it earlier but no answer yet.  His if I recall was based on a CPLD and I thought he said he had it very close to be finalized a few years ago.



#8 Opry99er OFFLINE  

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Posted Fri Apr 13, 2018 12:05 PM

I chatted with him not too long ago. He said he was going to come back and get back to his projects... no timetable though

#9 marc.hull OFFLINE  

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Posted Fri Apr 13, 2018 8:17 PM

Greg is a flake. If you want to waste your time and resources then by all means do it.

#10 atrax27407 ONLINE  

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Posted Fri Apr 13, 2018 8:28 PM

Will it have any additional functionality or will it be like the RAVE Speech Card I have in my P-Box right now?



#11 Shift838 OFFLINE  

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Posted Fri Apr 13, 2018 9:10 PM

Will it have any additional functionality or will it be like the RAVE Speech Card I have in my P-Box right now?

 

 

I would like to see it with RTC and for it to be compatible with the Corcomp and MBP clock cards with a switch that can turn the clock on/off so it could be used in the TI or the Geneve (just as a speech card).  I think that may be beyond my abilities though.

 

Reason I was thinking of this is because since I acquired the Geneve I have no speech for it without a card and the Rave99 cards are very hard to find.



#12 Ksarul OFFLINE  

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Posted Fri Apr 13, 2018 9:30 PM

Here's the schematic I did a while back. Note that there are three errors on it: the PEB pin numbers for D5 and D6 are reversed (D5 should be pin 21 and D6 should be pin 22) and RD3 should connect to pin 42 of the Speech Synthesizer (the schematic shows pin 32, which is wrong). I'll be correcting these in the next data release.

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#13 CPUWIZ OFFLINE  

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Posted Fri Apr 13, 2018 9:39 PM

Greg is a flake. If you want to waste your time and resources then by all means do it.

 

What was that for?  Just being nasty?



#14 OLD CS1 OFFLINE  

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Posted Fri Apr 13, 2018 10:02 PM

 

What was that for?  Just being nasty?

 

Unwieldy abrasive, perhaps.  But I am not certain greg has completed any of the projects he started working on (two to my knowledge.)  I know a few people like that, myself... colleagues, actually, and they are known as "flakes" in our community, as well.



#15 marc.hull OFFLINE  

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Posted Sat Apr 14, 2018 9:34 AM

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Sent Thu Aug 10, 2017 9:06 AM

Marc,

Sorry it's taken me so long to get back with you! Life sure has been hectic. First, my wife got pregnant, and then we had to move houses a SECOND time, because the landlord kicked us out!!!

Anyway, I have finally gotten my TI stuff unboxed, so I have your RAM disk safe and sound, ready to mail back to you. Can you update me on your address please?

Once again, so very sorry it's taken this long. Seems like life threw me one curve ball after another, but we're stable now. Still wish I had the opportunity to get back into my TI hobby!

Best regards,
Greg W.
marc.hull

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Sent Thu Aug 10, 2017 8:30 PM

Well congrats on the child. Sorry to hear the housing troubles. Just keep plugging along and things will turn around (hopefully they have all ready.)

My address is.

xxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxx

Take care and stay in touch.

Marc

DSAPSC.COM

marc.hull

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Sent Thu Nov 30, 2017 10:48 PM

Hi Greg.
?
Marcus

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Sent Sat Dec 2, 2017 3:09 PM

Hey, Marc, sorry for not getting back to you sooner.

 

The RAM Disk is boxed up on my desk at work, ready to go to the mail room. I've been out of my office all week because my wife had her baby, but I'll get this sent out when I get back Monday!

 

Take care! Hope all is well!

 

-Greg W

 

marc.hull

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Sent Mon Mar 26, 2018 7:49 PM

Come on bro.

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#16 marc.hull OFFLINE  

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Posted Sat Apr 14, 2018 10:22 AM

 
What was that for?  Just being nasty?


No. He's a flake and I thought I would convey that so that others don't waste their time.




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