Toru NakashikaRyoichi TakashimaTetsuya TakiguchiYasuo ArikiVoice conversion in high-order eigen space using deep belief nets.369-3722013INTERSPEECHhttps://doi.org/10.21437/Interspeech.2013-102conf/interspeech/2013db/conf/interspeech/interspeech2013.html#NakashikaTTA13