Googles speech to text API: https://cloud.google.com/speech-to-text/docs/speech-to-text-requests#:~:text=provides%20interim%20results%20while%20audio%20is%20be

Googles speech to text API: https://cloud.google.com/speech-to-text/docs/speech-to-text-requests#:~:text=provides%20interim%20results%20while%20audio%20is%20being%20captured https://cloud.google.com/speech-to-text/docs/speech-to-text-... The "alternatives" and "confidence" field is the result of the N-best decodings described elsewhere in the thread.