@inproceedings{kobayashi13interspeech, title = {An Investigation of Acoustic Features for Singing Voice Conversion based on Perceptual Age}, author = {Kazuhiro Kobayashi and Hironori Doi and Tomoki Toda and Tomoyasu Nakano and Masataka Goto and Graham Neubig and Sakriani Sakti and Satoshi Nakamura}, booktitle = {14th Annual Conference of the International Speech Communication Association (InterSpeech 2013)}, address = {Lyon, France}, month = {August}, url = {http://www.phontron.com/paper/kobayashi13interspeech.pdf}, year = {2013} }