"diarisation" meaning in English

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  "lang_code": "en",
  "pos": "noun",
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          "ref": "2015, Oscar Saz, Mortaza Doulaty, Salil Deena, Rosanna Milner, Raymond W.M. Ng, Madina Hasan, Yulan Liu, Thomas Hain, “The 2015 Sheffield System for Transcription of Multi-Genre Broadcast Media”, in arXiv:",
          "text": "Transcription was one of four tasks proposed in the MGB challenge, with the aim of advancing the state of the art of automatic speech recognition, speaker diarisation and automatic alignment of subtitles for broadcast media.",
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        "Alternative form of diarization"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "ref": "2015, Oscar Saz, Mortaza Doulaty, Salil Deena, Rosanna Milner, Raymond W.M. Ng, Madina Hasan, Yulan Liu, Thomas Hain, “The 2015 Sheffield System for Transcription of Multi-Genre Broadcast Media”, in arXiv:",
          "text": "Transcription was one of four tasks proposed in the MGB challenge, with the aim of advancing the state of the art of automatic speech recognition, speaker diarisation and automatic alignment of subtitles for broadcast media.",
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  "word": "diarisation"
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