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Multi-channel Non-negative Matrix Factorization Initialized with Full-rank and Rank-1 Spatial Correlation Matrix for Speech Recognition.
Yuuki Tachioka
Published in:
ISPACS (2018)
Keyphrases
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speech recognition
multi channel
negative matrix factorization
correlation matrix
language model
hidden markov models
pattern recognition
matrix factorization
single channel
speech signal
principal component analysis
speech recognition systems
feature extraction
maximum likelihood