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Speaker Segmentation

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  • First Online:
Encyclopedia of Biometrics

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Synonyms

Speaker change detection; Speaker clustering; Speaker diarization

Definition

Speaker segmentation is the process of partitioning an input audio stream into acoustically homogeneous segments according to the speaker identity. A typical speaker segmentation system finds potential speaker change points using the audio characteristics.

Introduction

Segmenting an audiovisual stream by its constituent speakers is essential in many application domains. First, for audiovisual documents, speaker changes are often considered natural points around which to structure the document for navigation by listeners (speaker indexing). In broadcast news, for example, speaker changes typically coincide with story changes or transitions. Audio recordings of meetings, presentations, and panel discussions are also examples where organizing audio segments by speaker identity can provide useful navigational cues to listeners. Furthermore, an accurate speaker segmentation system is also necessary for...

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References

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Author information

Authors and Affiliations

  1. Department of Signal Theory and Communications, University of Vigo, Vigo, Spain

    Laura Docio-Fernandez

  2. Atlantic Research Center for Information and Communication Technologies, University of Vigo, Pontevedra, Spain

    Carmen García Mateo

Authors
  1. Laura Docio-Fernandez
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  2. Carmen García Mateo
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Editor information

Editors and Affiliations

  1. Center for Biometrics and Security, Research & National Laboratory of Pattern Recognition, Institute of Automation, Chinese Academy of Sciences, Beijing, China

    Stan Z. Li

  2. Departments of Computer Science and Engineering, Michigan State University, East Lansing, MI, USA

    Anil K. Jain

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© 2015 Springer Science+Business Media New York

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Docio-Fernandez, L., García Mateo, C. (2015). Speaker Segmentation. In: Li, S.Z., Jain, A.K. (eds) Encyclopedia of Biometrics. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-7488-4_202

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