@inproceedings{takamichi14icassp,
    title = {A Postfilter to Modify the Modulation Spectrum in {HMM}-based Speech Synthesis},
    author = {Shinnosuke Takamichi and Tomoki Toda and Graham Neubig and Sakriani Sakti and Satoshi Nakamura},
    booktitle = {2014 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2014)},
    address = {Florence, Italy},
    month = {May},
    pages = {290--294},
    url = {http://www.phontron.com/paper/takamichi14icassp.pdf},
    year = {2014}
}