Shigeyuki Unagami

According to our database, Shigeyuki Unagami authored at least 13 papers between 1978 and 1990.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

1990

Echo cancellation and applications.

Kazuo Murano, Shigeyuki Unagami, Fumio Amano

IEEE Commun. Mag., 1990

Combined source and channel coding based on multimode coding.

Tomohiko Taniguchi, Fumio Amano, Shigeyuki Unagami

Proceedings of the 1990 International Conference on Acoustics, 1990

1989

8- and 16-kb/s APC-AB voice codec using a single chip DSP.

Kazumi Satoh, Hideaki Kurihara, Shigeyuki Unagami, Masanori Kajihara, Yoshihiro Tomita

Proceedings of the First European Conference on Speech Communication and Technology, 1989

Multimode coding: application to CELP.

Tomohiko Taniguchi, Shigeyuki Unagami, Robert M. Gray

Proceedings of the IEEE International Conference on Acoustics, 1989

1988

ADPCM with a multiquantizer for speech coding.

Tomohiko Taniguchi, Shigeyuki Unagami, Kohei Iseda, Shoji Tominaga

IEEE J. Sel. Areas Commun., 1988

DSP implementations of sophisticated speech codecs.

Masahiro Taka, Rikio Maruta, Shigeyuki Unagami

IEEE J. Sel. Areas Commun., 1988

An 8 kbps TC-MQ (time domain compression ADPCM-MQ) speech codec.

Fumio Amano, Kohei Iseda, Koji Okazaki, Shigeyuki Unagami

Proceedings of the IEEE International Conference on Acoustics, 1988

1987

A 16 kbps ADPCM with multi-quantizer (ADPCM-MQ) codec and its implementation by digital signal processor.

Tomohiko Taniguchi, Shigeyuki Unagami, Kohei Iseda, Yukou Mochida, Syozi Tominaga

Proceedings of the IEEE International Conference on Acoustics, 1987

1986

Digital signal processing in a 16kbps APC-AB codec by fixed point digital signal processor (FDSP-3).

Yoshihiro Tomita, Shigeyuki Unagami, Tomohiko Taniguchi, Yasuhiko Tada, Masahiro Taka

Proceedings of the IEEE International Conference on Acoustics, 1986

A high-efficiency speech coding algorithm based on ADPCM with multi-quantizer.

Tomohiko Taniguchi, Kohei Iseda, Shigeyuki Unagami, Syozi Tominaga

Proceedings of the IEEE International Conference on Acoustics, 1986

An adaptive transversal filter VLSI.

Noboru Kobayashi, Hirohisa Gambe, Koji Aoki, Masami Koshikawa, Shigeyuki Unagami, Toshi Ikezawa

Proceedings of the IEEE International Conference on Acoustics, 1986

1983

CMOS LSI DSP and its application to voice band signals.

Toshitaka Tsuda, Kazuo Murano, Shigeyuki Unagami, M. Shimada, H. Kikuchi, S. Sumi, Y. Miwa

Proceedings of the IEEE International Conference on Acoustics, 1983

1978

LSI Processor for Digital Signal Processing and Its Application to 4800 Bit/s Modem.

Kazuo Murano, Shigeyuki Unagami, Toshitaka Tsuda

IEEE Trans. Commun., 1978