Chipspeak (by Inphonik) is not free, but Bitspeek Jr. (by deadbeef) is abandoned.
: This is a free, text-to-speech (TTS) VST plugin that replicates the classic Software Automatic Mouth (SAM) voice. bitspeek free alternative
Here are the best free alternatives to Bitspeek for your next track: 1. TAL-Vocoder-2 (TAL Software) Chipspeak (by Inphonik) is not free, but Bitspeek Jr
Hands-Free User Use case: Speech-to-text for messaging, notes, and accessibility Chipspeak (by Inphonik) is not free
VocalSynth has a dedicated "Biovox" and "Talkbox" module that mimics LPC perfectly. It offers 10x the control of Bitspeek (formant shifting, polyphony, and a vocoder mixer). The Catch: You have to wait for the promotion. However, the demo version is fully functional for 10 days, enough to render your stems.