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diarize +‎ -ation or diary +‎ -ization, since it creates a record of speaker changes over time.


diarization (uncountable)

  1. In voice recognition, the process of partitioning an input audio stream into homogeneous segments according to the speaker identity, so as to identify different speakers' turns in a conversation.
    • 2009, Vaclav Matousek, Pavel Mautner, Text, Speech and Dialogue: 12th International Conference, TSD 2009, Pilsen, Czech Republic, September 13-17, 2009. Proceedings, Springer Science & Business Media (→ISBN), page 210:
      This work focus on a speaker clustering methods that are used in speaker diarization systems. The purpose of speaker clustering is to associate together segments that belong to the same speakers.