Xiangyu Mu

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MLLR is a parameter transformation technique for both speaker and environment adaptation. When the amount of adaptation data is scarce, it is necessary to do adaptation with regression classes. In this paper, we present a rapid MLLR adaptation algorithm, which is called Multi-layer structure MLLR adaptation with subspace regression classes and tying(More)
In many adaptation algorithms were proposed in the last decade, most notable MAP estimation and MLLR transformation. When the amount of adaptation data is limited, adaptation can be done by grouping similar Gaussians together to form regression classes and then transforming the Gaussians in groups. We propose a rapid MLLR adaptation algorithm with multiply(More)
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