Automated Speech Recognition

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Speech to text is provided by the Speech Recognition Tritium node. The actual recognition is done by a configurable backend, with Google's Cloud Speech-to-Text API as the default (and currently only) option.

Google Cloud Speech-to-Text API

To use the API the node must provide authentication credentials.

The process to create new credentials is as follows

1. Create a Google Cloud API project
2. Generate a private service account key JSON file
3. Copy it onto the robot at...

/opt/tritium/nodes/speech_recognition/google_application_credentials.json

The Before You Begin section of the Quickstart: Using Client Libraries tutorial covers this process. (You do not need to follow the rest of the tutorial.)