Discriminative training for large vocabulary telephone-based name recognition. - Erik McDermott; Alain Biem; Seiichi Tenpaku; Shigeru Katagiri (ICASSP, 2000)

Manipulating speech pitch periods according to optimal insertion/deletion position in residual signal for intonation control in speech synthesis. - Toshio Hirai; Seiichi Tenpaku; Kiyohiro Shikano (INTERSPEECH, 2000)

Using start/end timings of spectral transitions between phonemes in concatenative speech synthesis. - Toshio Hirai; Seiichi Tenpaku; Kiyohiro Shikano (INTERSPEECH, 2002)

Using 5 ms segments in concatenative speech synthesis. - Toshio Hirai; Seiichi Tenpaku (SSW, 2004)

Utilization of an HMM-based feature generation module in 5 ms segment concatenative speech synthesis. - Toshio Hirai; Junichi Yamagishi; Seiichi Tenpaku (SSW, 2007)