SpeechRecognitionAlternative Properties

Confidence score of the transcript in the range of 0 to 1. Available only for the best alternative and only in results marked as final.

Time alignments for each word from transcript as a list of lists. Each inner list consists of three elements: the word followed by its start and end time in seconds. Example: [["hello",0.0,1.2],["world",1.2,2.5]]. Available only for the best alternative.

A optional array of timestamps objects.

Transcription of the audio.

Confidence score for each word of the transcript as a list of lists. Each inner list consists of two elements: the word and its confidence score in the range of 0 to 1. Example: [["hello",0.95],["world",0.866]]. Available only for the best alternative and only in results marked as final.

A option array of word confidence values.