Speaker Classification I
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Speaker Classification I
Classification Methods for Speaker Recognition
Speaker Classification I
Evaluations of Automatic Speaker Classification Systems
Speaker Classification I
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Speaker Classification II
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Speaker Classification II
Automatic speech-based classification of gender, age and accent
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Higher-level features based on linguistic or long-range information have attracted significant attention in automatic speaker recognition. This article briefly summarizes approaches to using higher-level features for text-independent speaker verification over the last decade. To clarify how each approach uses higher-level information, features are described in terms of their type, temporal span, and reliance on automatic speech recognition for both feature extractionand feature conditioning. A subsequent analysis of higher-level features in a state-of-the-art system illustrates that (1) a higher-level cepstral system outperforms standard systems, (2) a prosodic system shows excellent performance individually and in combination, (3) other higher-level systems provide further gains, and (4) higher-level systems provide increasing relative gains as training data increases. Implications for the general field of speaker classification are discussed.