Improving body transmitted unvoiced speech with statistical voice conversion. - Mikihiro Nakagiri; Tomoki Toda; Hideki Kashioka; Kiyohiro Shikano (INTERSPEECH, 2006)

Statistical Voice Conversion Techniques for Body-Conducted Unvoiced Speech Enhancement. - Tomoki Toda; Mikihiro Nakagiri; Kiyohiro Shikano (IEEE Trans. Speech Audio Process., 2012)