Multifeature modular deep neural network acoustic models Kevin Kilgour author Alex Waibel author 2015-dec 3-4 text Proceedings of the 12th International Workshop on Spoken Language Translation: Papers Marcello Federico editor Sebastian Stüker editor Jan Niehues editor Da Nang, Vietnam conference publication kilgour-waibel-2015-multifeature https://aclanthology.org/2015.iwslt-papers.6/ 2015-dec 3-4 159 166