Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
CS, CQ (Joint) |
2012-04-19 15:10 |
Okinawa |
Ishigakijima |
[Special Talk]
Research and Development for Digitalization of Speech and Audio Communications
-- Speech and Audio Coding, and Quality Assessment -- Nobuhiko Kitawaki (Univ. Tsukuba) CS2012-7 CQ2012-9 |
[more] |
CS2012-7 CQ2012-9 pp.35-40(CS), pp.47-52(CQ) |
EA |
2010-08-09 15:15 |
Miyagi |
Tohoku Univ. |
Scattered Speech Signal Detection by Principal Component Analysis for Spatial Power Spectrum Michiaki Katoh, Yuya Sugimoto, Shoji Makino, Takeshi Yamada, Nobuhiko Kitawaki (Univ. of Tsukuba) EA2010-47 |
It is important for efficiently reviewing meeting speech archives to preliminarily and automatically detect "when, how a... [more] |
EA2010-47 pp.25-30 |
CQ |
2010-07-08 14:55 |
Hokkaido |
Soya Fureai Park |
[Special Talk]
Reasearch and International Standardization of Speech Quality Assessment in Digital Communication Networks Nobuhiko Kitawaki (Unv. of Tsukuba) CQ2010-27 |
Taking account of the future evolving digital communications network, G.711-PCM was standardized in 1972, as the first s... [more] |
CQ2010-27 pp.59-64 |
CQ |
2010-07-09 10:50 |
Hokkaido |
Soya Fureai Park |
Evaluation of Audio and Video Quality in Distance Education by Ultra Fast Internet Satellite "Kizuna" Naoko Okubo, Mitsuteru Nakamura, Shin Takahashi, Keisuke Kameyama, Yukio Fukui, Nobuhiko Kitawaki (Tsukuba Univ.), Tetsuo Sato, Emiko Ogawa (JAXA) CQ2010-35 |
A remote lecture experiment, collaborated by three universities in Asia, via ultra-high speed internet satellite Kizuna ... [more] |
CQ2010-35 pp.103-108 |
CQ (Workshop) |
2009-11-20 |
Tokyo |
NICT Headquarters |
[Poster Presentation]
Full-reference Objective Quality Evaluation for Noise-reduced Speech Using Overall Quality Estimation Model Yuki Shinohara, Takeshi Yamada, Nobuhiko Kitawaki, Shoji Makino (Univ. of Tsukuba) |
In this paper, we propose full-reference objective quality evaluation for noise-reduced speech using an overall quality ... [more] |
|
CQ |
2009-09-10 14:40 |
Gifu |
Takayama Culture Center |
Comparison of MOS Evaluation Characteristics by Chinese, Japanese, and English in IP Telephony Zhenyu Cai, Nobuhiko Kitawaki, Takeshi Yamada (Univ. of Tsukuba) CQ2009-28 |
In MOS subjective evaluation, there is a problem in that the results of the evaluation are easily affected by the differ... [more] |
CQ2009-28 pp.17-20 |
CQ, MoNA, IPSJ-AVM |
2009-07-10 09:50 |
Hokkaido |
Otaru City Hall |
A study on objective quality measure applicable to both music and speech Yuichiro Mikami, Yasuhiro Makikata, Nobuhiko Kitawaki, Takeshi Yamada (Univ. of Tsukuba) CQ2009-23 |
The main quality factors of sound services for Next Generation Network (NGN), one characteristic of which is all IP tech... [more] |
CQ2009-23 pp.49-54 |
AP, SAT (Joint) |
2009-07-10 10:20 |
Hokkaido |
Otaru city, Hokkaido |
Report on the experimental collaborative remote lectures with the WINDS/Kizuna satellite Shin Takahashi, Makoto Hisanaga, Keisuke Kameyama, Yukio Fukui, Nobuhiko Kitawaki (Univ. of Tsukuba) SAT2009-14 |
We reports the experiment of collaborative remote lectures with the WINDS/Kizuna satellite held last year. In the experi... [more] |
SAT2009-14 pp.39-44 |
ICM, CQ, NS (Joint) |
2008-11-14 16:00 |
Fukushima |
Nihon University |
Quality estimation model of noise-reduced speech and its application to non-reference objective quality evaluation Yuki Kasuya, Yuki Shinohara, Takeshi Yamada, Nobuhiko Kitawaki (Univ. of Tsukuba) CQ2008-56 |
This paper describes a method for non-reference objective quality evaluation of noise-reduced speech. First, a subjectiv... [more] |
CQ2008-56 pp.59-63 |
IEE-CMN, ITE-ME, CQ, LOIS, IE |
2008-09-25 15:10 |
Kagawa |
General Trainning Center at Shikoku Electric Power Co.,inc |
EstimationMmodel for Multimedia Quality Taking into Account Audio and Video Quality Interaction Toshinori Monden, Nobuhiko Kitawaki, Takeshi Yamada (Tsukuba Univ.) CQ2008-33 OIS2008-36 IE2008-58 |
In recent years, the opportunity to enjoy multimedia services with various screen size from mobile terminal screen to PC... [more] |
CQ2008-33 OIS2008-36 IE2008-58 pp.39-44 |
CQ |
2008-07-17 14:20 |
Hokkaido |
Kushiro Learning Center |
A Study of Test Signals used for Quality Assessment of Equipment Quality Factors Chika Aoshima, Naoko Murata, Nobuhiko Kitawaki, Takeshi Yamada (Tsukuba Univ.) CQ2008-15 |
[more] |
CQ2008-15 pp.9-14 |
USN, CQ, MoNA (Joint) |
2008-01-25 15:10 |
Shizuoka |
Kenshu Kouryu Center, Actcity Hamamatsu (Shizuoka) |
Objective Quality Assessment of Audio Coding, Taking Account of Coding, Band Width, and Packet Loss Takahiko Kanamori, Nobuhiko Kitawaki, Takeshi Yamada (Univ. of Tsukuba) CQ2007-92 |
It is expected that Next Generation Network (NGN) based on technology of IP, and QoS control will be developed in the ne... [more] |
CQ2007-92 pp.67-70 |
CQ, MVE (Joint) |
2007-01-26 11:55 |
Fukuoka |
Asia-pacific Import Mart |
Objective Quality Assessment of Audio coding, Taking Account of Coding and Packet Loss Takahiko Kanamori, Yosuke Hiraguri, Nobuhiko Kitawaki, Takeshi Yamada (Univ. of Tsukuba) CQ2006-91 |
It is expected that Next Generation Network (NGN) which is based on technology of IP, and QoS control will be developing... [more] |
CQ2006-91 pp.67-70 |
CQ, MVE (Joint) |
2007-01-26 12:20 |
Fukuoka |
Asia-pacific Import Mart |
A study of the delay impairment factor in an opinion model for wideband coded speech Yuki Yuhara, Nobuhiko Kitawaki, Takeshi Yamada (Univ. of Tsukuba) CQ2006-92 |
[more] |
CQ2006-92 pp.71-74 |
ICM, NS, CQ (Joint) |
2005-11-18 14:55 |
Shimane |
Kunibiki-messe (Matsue city) |
A Study of the Equipment Impairment Factor for Wideband Coded Speech Yuki Yuhara, Nobuhiko Kitawaki, Takeshi Yamada (Tsukuba Univ.) |
[more] |
CQ2005-76 pp.53-56 |
ICM, NS, CQ (Joint) |
2005-11-18 15:20 |
Shimane |
Kunibiki-messe (Matsue city) |
Opinion model for audio-visual communication quality from quality parameters by coding and packet loss Yusuke Arayama, Nobuhiko Kitawaki, Takeshi Yamada (Tsukuba Univ.) |
[more] |
CQ2005-77 pp.57-60 |
EA |
2005-08-19 10:30 |
Miyagi |
|
Meeting reproduction system with microphone array and sound localization Junichi Miyauchi (Univ. of Tsukuba), Futoshi Asano (Aist), Takeshi Yamada, Nobuhiko Kitawaki (Univ. of Tsukuba) |
This paper describes a sound reproduction system for meeting data recorded with a microphone array and a camera array. ... [more] |
EA2005-41 pp.7-12 |
CQ |
2005-07-14 15:05 |
Hokkaido |
Wakkanai Hokusei Gakuen College |
Human's recognition rate for noise-reduced speech and its objective estimation using PESQ Masakazu Kumakura, Takeshi Yamada, Nobuhiko Kitawaki (Univ. of Tsukuba) |
Recently, hands-free speech communication is becoming increasingly necessary for teleconferences, in-car phones, and PC-... [more] |
CQ2005-25 pp.53-57 |
CQ, MoNA |
2004-11-19 10:45 |
Kagawa |
Kagawa University |
Quality Assessment of Noise Reduction Algorithms for Mobile Speech Communication Masakazu Kumakura, Takeshi Yamada, Nobuhiko Kitawaki (Univ. of Tsukuba) |
In recent years, small mobile devices such as a cellular phone are becoming increasingly common by the development of co... [more] |
CQ2004-107 MoMuC2004-81 pp.19-24 |
CQ |
2004-07-16 11:25 |
Hokkaido |
Kitami Institute of Technology |
Relation between audio and video information in audio-visual communication Yusuke Arayama, Nobuhiko Kitawaki, Takeshi Yamada (University of Tsukuba) |
[more] |
CQ2004-64 pp.23-27 |