A 32 kb/s toll quality ADPCM codec using a single chip signal processor. - Takao Nishitani; Shinichi Aikoh; Takashi Araseki; Kazunori Ozawa; Rikio Maruta (ICASSP, 1982)

An adaptive echo canceller using digital signal processor LSI chips. - Kazunori Ozawa; Takashi Araseki; Yasuo Itoh (ICASSP, 1983)

A multi-pulse LPC speech codec using digital signal processors. - Y. Wake; S. Tanaka; Kazunori Ozawa; Takashi Araseki (ICASSP, 1985)

Low bit rate multi-pulse speech coder with natural speech quality. - Kazunori Ozawa; Takashi Araseki (ICASSP, 1986)

High quality multi-pulse speech coder with pitch prediction. - Kazunori Ozawa; Takashi Araseki (ICASSP, 1986)

A Study on Pulse Search Algorithms for Multipulse Excited Speech Coder Realization. - Kazunori Ozawa; Shigeru Ono; Takashi Araseki (IEEE J. Sel. Areas Commun., 1986)

2.4 kbps pitch prediction multi-pulse speech coding. - Shigeru Ono; Kazunori Ozawa (ICASSP, 1988)

A 4.8 kb/s high-quality speech coding using various types of excitation signals. - Kazunori Ozawa (EUROSPEECH, 1989)

A rule-based speech synthesizer using pitch controlled residual wave excitation method. - Kazuhiko Iwata; Yukio Mitome; Jun Kametani; Minoru Akamatsu; Seimitsu Tomotake; Kazunori Ozawa; Takao Watanabe (ICSLP, 1990)

Improvement on 8 kb/s CELP using learned codebook: LCELP. - Toshiki Miyano; Kazunori Ozawa (ICSLP, 1990)

English speech training using voice conversion. - Keiko Nagano; Kazunori Ozawa (ICSLP, 1990)

11.2 kb/s LCELP speech codec for digital cellular radio. - Yoshihiro Unno; Makio Nakamura; Toshifumi Sato; Toshiki Miyano; Kazunori Ozawa (ICSLP, 1990)

4 kb/s improved CELP coder with efficient vector quantization. - Kazunori Ozawa; Toshiki Miyano (ICASSP, 1991)

Improved 4.8 kb/s CELP coding using two-stage vector quantization with multiple candidates (LCELP). - Toshiki Miyano; Masahiro Serizawa; Junichi Takizawa; Shigeji Ikeda; Kazunori Ozawa (ICASSP, 1992)

M-LCELP speech coding at bit-rates below 4kbps. - Kazunori Ozawa; Masahiro Serizawa; Toshiki Miyano; Toshiyuki Nomura (EUROSPEECH, 1993)

M-LCELP speech coding at 4 kbps. - Kazunori Ozawa; Masahiro Serizawa; Toshiki Miyano; Toshiyuki Nomura (ICASSP (1), 1994)

4kb/s speech coding with small computational amount and memory requirement: ULCELP. - Keiichi Funaki; Kazunaga Yoshida; Kazunori Ozawa (ICSLP, 1994)

Effective channel coding combined with low bit-rate speech coding for digital cellular system. - Masao Ikekawa; Toshiki Miyano; Toshiyuki Nomura; Kazunori Ozawa (VTC, 1994)

4 kbps improved pitch prediction CELP speech coding with 20 ms frame. - Masahiro Serizawa; Kazunori Ozawa (ICASSP, 1995)

4 kbps Improved Pitch Prediction CELP Speech Coding with 20 msec Frame. - Masahiro Serizawa; Kazunori Ozawa (IEICE Trans. Inf. Syst., 1995)

Low-delay CELP with multi-pulse VQ and fast search for GSM EFR. - Shinichi Taumi; Kazunori Ozawa; Toshiyuki Nomura; Masahiro Serizawa (ICASSP, 1996)

An adaptive multi-rate speech codec based on MP-CELP coding algorithm for ETSI AMR standard. - Hironori Ito; Masahiro Serizawa; Kazunori Ozawa; Toshiyuki Nomura (ICASSP, 1998)

A bitrate and bandwidth scalable CELP coder. - Toshiyuki Nomura; Masahiro Iwadare; Masahiro Serizawa; Kazunori Ozawa (ICASSP, 1998)

High quality multi-pulse based CELP speech coding at 6.4 kb/s and its subjective evaluation. - Kazunori Ozawa; Masahiro Serizawa (ICASSP, 1998)

4 kb/s multi-pulse based CELP speech coding using excitation switching. - Kazunori Ozawa (ICASSP, 1999)

Low Complexity Real-Time Video Transcoders for Video Upload and Retrieval Applications. - Kazunori Ozawa; Hironori Ito; Kazuteru Watanabe; Kazuhiro Koyama; Atsushi Murashima (SiPS, 2007)

Low complexity real-time video transcoders for mobile video applications. - Kazunori Ozawa; Hironori Ito; Kazuteru Watanabe; R. Takeshima; Kazuhiro Koyama (WOWMOM, 2008)

Low Complexity Speech Mixing with Speech Codecs Based on Predictive Coding for Multimedia Conferences. - Hironori Ito; Kazunori Ozawa (IEICE Trans. Commun., 2009)

Adaptive video pacing method based on the prediction of stochastic TCP throughput. - Kozo Satoda; Hiroshi Yoshida; Hironori Ito; Kazunori Ozawa (GLOBECOM, 2012)

Design principles of an operator-owned highly distributed content delivery network. - Stella Spagna; Marco Liebsch; Roberto Baldessari; Saverio Niccolini; Stefan Schmid 002; Rosario Giuseppe Garroppo; Kazunori Ozawa; Jun Awano (IEEE Commun. Mag., 2013)