The Speak & Spell (came out in about 1978) speech synthesis was done with
LPC. Searching http://www.ti.com for "speak and spell" found 15 documents.

-David.

-----Original Message-----
From: SteinersT1@aol.com 
To: csound@maths.ex.ac.uk 
Date: Monday, September 20, 1999 9:43 PM
Subject: Re: Computerwelt


>hello,
>
>it is not done with vocoder, it is speech synthesis. They used the Texas
>Instruments Speak&Spell, a pocket calculator with speechsynthesizer and
some
>games. The digital sounds of the game are included into the song
>pocketcalculator/Taschenrechner. The Florian Schneider - dummy hold it in
his
>hands on one of the pictures of the cover.
>
>Try to search a 'bad' sounding speechsynthesizer program for your computer,
>there are lot of free ones, or try:
>
>http://www.bell-labs.com/project/tts/voices-java.html
>
>Overview:
>http://www.tue.nl/ipo/hearing/webspeak.htm
>
>Greetings,
>
>Malte Steiner
>- www.block4.com -
>electronic music + art


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