PRODUCTION SCENARIO
A meeting transcript is accurate, but the application cannot tell who said each sentence. Five participants share one audio recording on a single channel.
Which speech capability should the team evaluate?
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Answer: Speaker diarization
Diarization 'distinguishes between the different speakers who participate in the conversation', and the IDs are assigned 'during the recognition as different speakers are being identified from the provided audio content', so 'Speakers are identified as Guest-1, Guest-2, and so on'. Language identification tags which language is spoken, not which person is speaking. Multichannel transcription tags results by audio channel and covers up to two, not five on one. Custom speech improves word accuracy, which is already fine.