A pitch-synchronous analysis/synthesis system to independently modify formant frequencies and bandwidths for voiced speech. - Hisao Kuwabara (Speech Commun., 1984)

Representation of vowels in connected speech based on speech perception experiments. - Hisao Kuwabara (ICASSP, 1986)

Contributions of pitch, formant frequency and bandwidth to the perception of voice-personality. - Tohru Takagi; Hisao Kuwabara (ICASSP, 1986)

Voice conversion through vector quantization. - Masanobu Abe; Satoshi Nakamura 001; Kiyohiro Shikano; Hisao Kuwabara (ICASSP, 1988)

A new speech modification method by signal reconstruction. - Masanobu Abe; Shin-Ichi Tamura; Hisao Kuwabara (ICASSP, 1989)

Construction of a large-scale Japanese speech database and its management system. - Hisao Kuwabara; Kazuya Takeda; Yoshinori Sagisaka; Shigeru Katagiri; S. Morikawa; T. Watanabe (ICASSP, 1989)

Adaptive manipulation of non-uniform synthesis units using multi-level unit transcription. - Kazuya Takeda; Katsuo Abe; Yoshinori Sagisaka; Hisao Kuwabara (EUROSPEECH, 1989)

Cross-language voice conversion. - Masanobu Abe; Kiyohiro Shikano; Hisao Kuwabara (ICASSP, 1990)

A large-scale Japanese speech database. - Yoshinori Sagisaka; Kazuya Takeda; M. Abel; Shigeru Katagiri; T. Umeda; Hisao Kuwabara (ICSLP, 1990)

A Speech Modification Method by Signal Reconstruction Using Short-Term Fourier Transform. - Masanobu Abe; Shin-Ichi Tamura; Hisao Kuwabara (Syst. Comput. Jpn., 1990)

ATR Japanese speech database as a tool of speech recognition and synthesis. - Akira Kurematsu; Kazuya Takeda; Yoshinori Sagisaka; Shigeru Katagiri; Hisao Kuwabara; Kiyohiro Shikano (Speech Commun., 1990)

Acoustic parameters of voice individuality and voice-quality control by analysis-synthesis method. - Hisao Kuwabara; Tohru Takagi (Speech Commun., 1991)

Temporal effect on the perception of continuous speech and a possible mechanism in the human auditory system. - Hisao Kuwabara (EUROSPEECH, 1993)

Acoustic characteristics of speaker individuality: Control and conversion. - Hisao Kuwabara; Yoshinori Sagisaka (Speech Commun., 1995)

Acoustic properties of phonemes in continuous speech for different speaking rate. - Hisao Kuwabara (ICSLP, 1996)

Acoustic and perceptual properties of phonemes in continuous speech as a function of speaking rate. - Hisao Kuwabara (EUROSPEECH, 1997)

Perceptual and acoustic properties of phonemes in continuous speech for different speaking rate. - Hisao Kuwabara (ICSLP, 1998)

Acoustic and Perceptual Properties of Syllables in Continuous Speech as a Function of Speaking Rate. - Hisao Kuwabara; Michinori Nakamura (TSD, 2000)

A relation between voice quality and acoustic features. - Hisao Kuwabara (MAVEBA, 2001)

The Present Status of Speech Database in Japan: Development, Management, and Application to Speech Research. - Hisao Kuwabara; Shuichi Itahashi; Mikio Yamamoto; Toshiyuki Takezawa; Satoshi Nakamura 001; Kazuya Takeda (LREC, 2002)

Perception of voice-individuality for distortions of resonance/source characteristics and waveforms. - Hisao Kuwabara (INTERSPEECH, 2003)

Analysis and evaluation of nasalized [g] consonant in continuous Japanese. - Hisao Kuwabara (MAVEBA, 2003)

A method for changing speech quality and its application to pathological voices. - Hisao Kuwabara (MAVEBA, 2005)