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Sequential Speaker Classification Using Quantized Generic Speaker Models  

Kwon, Soon-Il (Division of Systems Technology, Korea Institute of Science and Technology)
Publication Information
Journal of the Institute of Electronics Engineers of Korea CI / v.44, no.1, 2007 , pp. 26-32 More about this Journal
Abstract
In sequential speaker classification, the lack of prior information about the speakers poses a challenge for model initialization. To address the challenge, a predetermined generic model set, called Sample Speaker Models, was previously proposed. This approach can be useful for accurate speaker modeling without requiring initial speaker data. However, an optimal method for sampling the models from a generic model pool is still required. To solve this problem, the Speaker Quantization method, motivated by vector quantization, is proposed. Experimental results showed that the new approach outperformed the random sampling approach with 25% relative improvement in error rate on switchboard telephone conversations.
Keywords
연속적 화자분류;범용 화자모델;표본 화자모델;화자 양자화;
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