### Bing The Bing STT is based on the [Microsoft Bing Voice Recognition API](https://www.microsoft.com/cognitive-services/en-us/speech-api) | parameter| required | default | choices | comments | |----------|----------|---------|---------|----------| | key | YES | None | |User info | | language | No | en-US | [lang](https://www.microsoft.com/cognitive-services/en-us/speech-api)|7 languages|