Structured Sparse Spectral Transforms and Structural Measures for Voice Conversion

Yunxin Zhao,Mili Kuruvilla-Dugdale,Minguang Song

IEEE/ACM Transactions on Audio, Speech, and Language Processing（2018）

引用 8|浏览12

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摘要

We investigate a structured sparse spectral transform method for voice conversion (VC) to perform frequency warping and spectral shaping simultaneously on high-dimensional (D) STRAIGHT spectra. Learning a large transform matrix for high-D data often results in an overfit matrix with low sparsity, which leads to muffled speech in VC. We address this problem by using the frequency-warping characteri...

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关键词

Transforms,Matrices,Sparse matrices,Speech processing,Distortion measurement,Distortion,Training

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