Beyond the Long-term Mean: Exploring the Potential of F0 Distribution Parameters in Traditional Forensic Speaker Recognition.

Y Kinoshita, S Ishihara, P Rose - methodology (the dpik function of …, 2008 - isca-speech.org
Despite its many prima facie attractive properties for Forensic Speaker Recognition, F0 is
regarded as having limited forensic value due to its large within-speaker variability.
However, its forensic use to date has been limited mostly to its long-term mean and standard
deviation. This paper examines the discriminatory potential, within a Likelihood Ratio-based
approach, of additional parametric features from the distribution of long-term F0: its skew,
kurtosis, modal F0 and modal density. Motivated by the observation that the overall long …

Beyond the long-term mean: exploring the potential of f0 distribution parameters in forensic speaker recognition

Y Kinoshita, S Ishihara, P Rose - Odyssey 2008 …, 2008 - researchprofiles.canberra.edu.au
Despite its many prima facie attractive properties for Forensic Speaker Recognition, F0 is
regarded as having limited forensic value due to its large within-speaker variability.
However, its forensic use to date has been limited mostly to its long-term mean and standard
deviation. This paper examines the discriminatory potential, within a Likelihood Ratio-based
approach, of additional parametric features from the distribution of long-term F0: its skew,
kurtosis, modal F0 and modal density. Motivated by the observation that the overall long …
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