This sound is from Votrax Type 'N Talk Speech Synthesizer TTS Computer AI Voice

The Votrax Type 'N Talk was a speech synthesiser produced in the 1980s. It connected to a variety of home computers using an RS-232 interface and translated text into speech.

The Type 'N Talk was capable of correctly interpreting the pronunciation of simple words ("Cat" vs "Cell" for example), more complex words needed to be spelled out using their basic speech building blocks called allophones.