@inproceedings{tobing15asj,
    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 = {Annual Meeting of the Acoustic Society of Japan (ASJ)},
    address = {Tokyo},
    month = {March},
    url = {http://www.phontron.com/paper/tobing15asj.pdf},
    year = {2015}
}