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Communication Dans Un Congrès Année : 2012

A Global Optimization Framework For Speaker Diarization

Résumé

In this paper, we propose a new clustering model for speaker diarization. A major problem with using greedy agglomerative hierarchical clustering for speaker diariza-tion is that they do not guarantee an optimal solution. We propose a new clustering model, by redefining clustering as a problem of Integer Linear Programming (ILP). Thus an ILP solver can be used which searches the solution of speaker clustering over the whole problem. The experiments were conducted on the corpus of French broadcast news ESTER-2. With this new clustering, the DER decreases by 2.43 points.
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Dates et versions

hal-01433467 , version 1 (03-04-2017)

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  • HAL Id : hal-01433467 , version 1

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Mickael Rouvier, Sylvain Meignier. A Global Optimization Framework For Speaker Diarization. Odyssey 2012, 2012, Singapour, Singapore. ⟨hal-01433467⟩
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