Class RecognitionMetadata (1.3.4)

Description of audio data to be recognized.

The industry vertical to which this speech recognition request most closely applies. This is most indicative of the topics contained in the audio. Use the 6-digit NAICS code to identify the industry vertical - see https://www.naics.com/search/.

The original media the speech was recorded on.

The device used to make the recording. Examples 'Nexus 5X' or 'Polycom SoundStation IP 6000' or 'POTS' or 'VoIP' or 'Cardioid Microphone'.

Obfuscated (privacy-protected) ID of the user, to identify number of unique users using the service.