Abstract:Automatic forensic voice comparison (FVC) systems employed in forensic casework have often relied on Gaussian Mixture Model -Universal Background Models (GMM-UBMs) for modelling with relatively little research into supervector-based approaches. This paper reports on a comparative study which investigates the effectiveness of multiple approaches operating on GMM mean supervectors, including support vector machines and various forms of regression. Firstly, we demonstrate a method by which supervector regression … Show more
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