@inproceedings{tobing15interspeech,
    title = {Articulatory Controllable Speech Modification based on Gaussian Mixture Models with Direct Waveform Modification using Spectrum Differential},
    author = {Patrick Lumban Tobing and Kazuhiro Kobayashi and Tomoki Toda and Graham Neubig and Sakriani Sakti and Satoshi Nakamura},
    booktitle = {16th Annual Conference of the International Speech Communication Association (InterSpeech 2015)},
    address = {Dresden, Germany},
    month = {September},
    url = {http://www.phontron.com/paper/tobing15interspeech.pdf},
    year = {2015}
}