Code snippets showing how to record I2S audio and store as .wav file on ESP32 with SD card, how to transcribe pre-recorded audio via Deepgram SpeechToText (STT) API, how to generate audio from text via TextToSpeech (TTS) API from OpenAI a/o SpeechGen a/o Google TTS. Triggering ESP32 actions via Voice.
audio esp32 tts recording sd-card texttospeech stt speechtotext google-tts i2s i2s-audio i2s-microphone is2-audio inmp441 deepgram openai-tts max98357 deepgram-stt speechgen-io speechgen
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Updated
Aug 25, 2026 - C++