CONF Himawan_ICASSP2015_2015/IDIAP Learning Feature Mapping using Deep Neural Network Bottleneck Features for Distant Large Vocabulary Speech Recognition Himawan, Ivan Motlicek, Petr Imseng, David Potard, Blaise Kim, Namhoon Lee, Jaewon EXTERNAL http://publications.idiap.ch/attachments/papers/2015/Himawan_ICASSP2015_2015.pdf PUBLIC IEEE International Conference on Acoustics, Speech, and Signal Processing 2015 4540-4544 1520-6149 10.1109/ICASSP.2015.7178830 doi