Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
This section by Andreas Magenheimer. – Voice-Box II by The Alien Group (a software and hardware package); – 1400XL/1450XLD Voice Synthesizer (built-in chip inside the extreme rare Atari 1400XL/1450XLD models); – Talk is Cheap by Ed Stewart, Antic Volume 2 Number 4, July 1983, pages 64-66; hardware schematics only (a test/demo program is mentioned in the text, but not printed in the magazine!
