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'Off Topic - Voice Chips'
1997\07\17@104156 by Cary Smith

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Hello,
        I am developing a voive record and play back system utilizing a
pick. I need to find a voice chip that is capable of recording and play
back. Any suggestions.

Cary Smith

1997\07\17@112645 by et, Grigory

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Cary Smith wrote:
>
> Hello,
>          I am developing a voive record and play back system utilizing a
> pick. I need to find a voice chip that is capable of recording and play
> back. Any suggestions.
>
> Cary Smith

  Cary,
       Try ISD. They are specialise on voice recording/playback chips.
I'm not sure about their web but try :
                                      WWW.ISD.COM


Good luck,
Nikos Papaioannou
Cyprus

1997\07\17@133756 by Mike Keitz

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On Thu, 17 Jul 1997 09:52:53 -0400 Cary Smith <spam_OUTcasmithTakeThisOuTspamLYNX.DAC.NEU.EDU>
writes:
>Hello,
>         I am developing a voive record and play back system utilizing
>a
>pick. I need to find a voice chip that is capable of recording and
>play
>back. Any suggestions.


ISD is the major (perhaps the only) producer of voicestore chips which
use analog EEPROM technology.  They work well and are easy to control
with a PIC.  Data in pdf form at http://www.isd.com, chips are available from
Digi-Key.

1997\07\17@183004 by Steve Smith

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Try dismatling one of thise infernal telephone answering mechines !!!!!

Sorry Its late ere and humor has just passed reason....

Steve.....

1997\07\17@213809 by Larry G. Nelson Sr.

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Take a look at the ISD parts. They are widely available and interface well
with PIC processors. I believe the "voice it" product uses their parts and
a PIC for control.

At 09:52 AM 7/17/97 -0400, you wrote:
>Hello,
>         I am developing a voive record and play back system utilizing a
>pick. I need to find a voice chip that is capable of recording and play
>back. Any suggestions.
>
>Cary Smith
>
>
Larry G. Nelson Sr.
.....L.NelsonKILLspamspam@spam@ieee.org
http://www.ultranet.com/~nr

1997\07\18@104831 by Dave Mumert

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Try OKIdata semiconductors at http://www.okisemi.com/public/nt/Home.html

They have a number of voice chips as well as  some development boards.  Time
is up to 2048 seconds.

Good Luck

Dave  Mumert
SDMspamKILLspamsoftoptions.com

1997\07\19@063027 by Ian Raymond Douglas

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Hi Cary
    Check out ISD, Information Storage Devices. They have a great range
of "chip recorders" with 16-20 second capacity and very easy to interface
with minimal circuitry. Funny thing is, I picked up a 1416 of theirs just
yesterday for a project!
        Regards, Ian
On Thu, 17 Jul 1997, Cary Smith wrote:

> Hello,
>          I am developing a voive record and play back system utilizing a
> pick. I need to find a voice chip that is capable of recording and play
> back. Any suggestions.
>
> Cary Smith
>

1997\07\20@143046 by Tom Mariner

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On Saturday, July 19, 1997 6:29 AM, pic microcontroller discussion list  On
Behalf Of Ian Raymond Douglas wrote:
> Hi Cary
>      Check out ISD, Information Storage Devices. They have a great range
> of "chip recorders" with 16-20 second capacity and very easy to interface
> with minimal circuitry. Funny thing is, I picked up a 1416 of theirs just
> yesterday for a project!
>          Regards, Ian
>  On Thu, 17 Jul 1997, Cary Smith wrote:
>
> > Hello,
> >          I am developing a voive record and play back system utilizing a
> > pick. I need to find a voice chip that is capable of recording and play
> > back. Any suggestions.
> >
> > Cary Smith
> >
>
I just gotta ask -- If you're going to have a PIC in the mix, why not have the
device read a cheap memory and DAC out the waveform? I guess we're not going
to have a full six stage, twelve multiply and accumulate frequency domain
decode, but it seems like some capacity is being wasted.

Tom

1997\07\20@172353 by William Chops Westfield

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   I just gotta ask -- If you're going to have a PIC in the mix, why not have
   the device read a cheap memory and DAC out the waveform? I guess we're not
   going to have a full six stage, twelve multiply and accumulate frequency
   domain decode, but it seems like some capacity is being wasted.

I did just see an ad for an Atmel 4Mbit Serial Flash device...

BillW

1997\07\20@173842 by Mike

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At 02:22 PM 7/20/97 PDT, you wrote:
>    I just gotta ask -- If you're going to have a PIC in the mix, why not
have
>    the device read a cheap memory and DAC out the waveform? I guess we're
not
>    going to have a full six stage, twelve multiply and accumulate frequency
>    domain decode, but it seems like some capacity is being wasted.
>
>I did just see an ad for an Atmel 4Mbit Serial Flash device...

The largest *serial* ones I can find (from ATmel) are only 64K bits,
which are somewhat smaller than 4Mb, there are a few
flash memories - the part numbers suggest parallel.

Which part numbers are you referring to BillW ?

Rgds

Mike
Perth, Western Australia

1997\07\20@181205 by William Chops Westfield

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   >I did just see an ad for an Atmel 4Mbit Serial Flash device...

   The largest *serial* ones I can find (from ATmel) are only 64K bits,
   which are somewhat smaller than 4Mb, there are a few
   flash memories - the part numbers suggest parallel.

   Which part numbers are you referring to BillW ?

The 64k to 256kbit serial devices are (byte writable) EEPROMS.  Atmel also
has a line of "real" flash (sector writable), and I guess they put one of
their serial interfaces on them.  Apparently it's been something of a
well-kept secret (!) - the 4Mbit devices were introduced in May, and this
recent ad was the first I've heard of them.

See http://www.atmel.com/atmel/news/19970714.html for the recent
announcement of 2 and 8Mbit "Serial Dataflash" devices - the 4Mb parts
were the ones introduced in May (if I'm reading the press release right.)

BillW

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