AI Glossary
Speaker diarization
Also called diarization
What does “Speaker diarization” mean?
Speaker diarization: Labeling an audio timeline with who spoke when, often using identifiers such as Speaker A and Speaker B. It can be combined with transcription to show who said each line.

What is an example of “Speaker diarization”?
A podcast transcript marks the host's and guest's turns even when their names are unknown.