Semi-Orthogonal Low-Rank Matrix Factorization for Deep Neural Networks

Interspeech 2018 2018 Daniel PoveyGaofeng ChengYiming WangKe LiHainan XuMahsa YarmohammadiSanjeev Khudanpur

Time Delay Neural Networks (TDNNs), also known as onedimensional Convolutional Neural Networks (1-d CNNs), are an efficient and well-performing neural network architecture for speech recognition. We introduce a factored form of TDNNs (TDNN-F) which is structurally the same as a TDNN whose layers have been compressed via SVD, but is trained from a random start with one of the two factors of each matrix constrained to be semi-orthogonal... (read more)

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