the technology you're looking for is "on-device" or "local" speech-to-text https://cloud.google.com/blog/products/ai-machine-learning/speech-on-device-run-serv

the technology you're looking for is "on-device" or "local" speech-to-text https://cloud.google.com/blog/products/ai-machine-learning/speech-on-device-run-server-quality-speech-ai-locally https://cloud.google.com/blog/products/ai-machine-learning/s... https://picovoice.ai/platform/cheetah/ https://picovoice.ai/platform/cheetah/ https://github.com/mozilla/DeepSpeech https://github.com/mozilla/DeepSpeech