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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| HCS | 2024-03-03 09:20 |
Shizuoka | Tokoha University(Shizuoka-Kusanagi Campus) | Environment Recognition System for Visually Impaired People Using LIDAR Mounted on User's Head
-- Improvements of Distance Measurement/Acoustic Signal Conversion and Experimental Evaluation -- Liqi Zhu, Tetsuo Tsujioka, Shigeyoshi Nakajima, Hitoshi Watanabe, Ikuo Oka (Osaka Metropolitan Univ.)  HCS2023-103 |
LIDAR technology is often used to detect surrounding environment around users. For visually impaired people, a system th... [more] | HCS2023-103 pp.86-91 |
| EA, ASJ-H | 2019-08-09 10:30 |
Miyagi | Tohoku Univ. | Study on Robust Method for Blindly Estimating Speech Transmission Index using Convolutional Neural Network with Temporal Amplitude Envelope Suradej Doungpummet (JAIST), Jessada Karunjana (NASDA), Waree Kongprawechnon (SIIT), Masashi Unoki (JAIST) EA2019-30 |
We have developed a robust scheme for blindly estimating speech transmission index (STI) in noisy reverberant environmen... [more] | EA2019-30 pp.47-52 |
| EA, ASJ-H | 2018-08-23 17:00 |
Miyagi | Tohoku Gakuin Univ. | Study on method of estimating direction of arrival of sound source for monaural hearing based on temporal modulation perception Nguyen Khanh Bui, Daisuke Morikawa, Masashi Unoki (JAIST) EA2018-38 |
This paper proposed a method for estimating monaural DOA in 3D space in this paper that was based on human perception of... [more] | EA2018-38 pp.63-68 |
| SDM, ICD, ITE-IST [detail] | 2017-08-02 13:45 |
Hokkaido | Hokkaido-Univ. Multimedia Education Bldg. | Multi-carrier Transmission Characteristics of All-Digital Low-IF Transmitter Using Weber-Type Image Suppression Method Takumi Kamo, Yohtaro Umeda (Tokyo Univ. of Science), Yusuke Kozawa (Ibaraki Univ.) SDM2017-47 ICD2017-35 |
In this paper, multicarrier transmission is performed by using a bandpass type (BP) ΔΣ modulator in an orthogonal modula... [more] | SDM2017-47 ICD2017-35 pp.117-122 |
| EMM | 2017-01-30 14:00 |
Miyagi | Tohoku University (Miyagi) | Investigation of head-related modulation transfer function for monaural sound localization Nguyen Khanh Bui, Daisuke Morikawa, Masashi Unoki (JAIST) EMM2016-75 |
This paper investigates the head-related modulation transfer function (HR-MTF) to find out important trends and features... [more] | EMM2016-75 pp.7-12 |
| EA, EMM | 2016-11-18 11:35 |
Oita | Compal Hall (Oita) | Study on modeling of room impulse response and its room acoustic parameters Masashi Unoki, Daisuke Ishikawa, Yuta Kashihara, Maori Kobayashi, Masato Akagi (JAIST) EA2016-61 EMM2016-67 |
Stochastic models of the room impulse response (RIR) are widely used to represent the measured RIR as parametric represe... [more] | EA2016-61 EMM2016-67 pp.79-84 |
| EA, ASJ-H, IPSJ-MUS [detail] | 2016-10-14 14:30 |
Ishikawa | Noto Omakidai (Nanao) | Study on speech transmission index using models of modulation transfer function Yuta Kashihara, Masashi Unoki (JAIST) EA2016-33 |
Room impluse response (RIR) is composed of three parts: direct sound, early reverberation, and late reverberation. It ... [more] |
EA2016-33 pp.13-18 |
| MBE, NC (Joint) |
2016-03-23 10:25 |
Tokyo | Tamagawa University | Modulation transfer function measurement of CT images reconstructed by a hard kernel Jo Mitsuzuka, Kazuhiro Sawa, Yoshinori Takehana, Akihiro Tanaka, Kentaro Kinoshita, Satoru Kishida (Tottori Univ.) NC2015-80 |
To develop MTF(Modulation Transfer Function) measurement of CT images reconstructed by a hard kernel filter, we proposed... [more] | NC2015-80 pp.59-63 |
| EMM | 2015-03-13 13:50 |
Okinawa | Study on Watermarking for Digital Audio based on Adaptive Phase Modulation Nhut Minh Ngo, Masashi Unoki (JAIST) EMM2014-102 |
This paper proposes a novel blind watermarking method for digital audio based on adaptive phase modulation. Audio signal... [more] | EMM2014-102 pp.149-154 |
|
| WIT, ASJ-H | 2015-02-13 16:45 |
Ehime | Ehime University, Johoku Campus | A simplified measurement method of temporal resolution Takashi Morimoto, Takeshi Nakaichi, Kota Harada (Rion), Yasuhide Okamoto, Ayako Kanno (Inagi Municipal Hospital), Sho Kanzaki, Kaoru Ogawa (Keio Univ. Hospital) |
For applying to clinical diagnostics, a simplified method which can measure temporal modulation transfer function(TMTF) ... [more] | WIT2014-79 pp.35-40 |
| SP, IPSJ-MUS | 2014-05-25 11:30 |
Tokyo | Modulation transfer function based robust method of voice activity detection for noisy reverberant environments
-- Utilization of subband SNR estimation -- Shota Morita, Masashi Unoki (JAIST), Xugang Lu (NICT), Masato Akagi (JAIST) SP2014-41 |
Most of the current voice activity detection (VAD) algorithms deal with clean speech or additive noisy speech. However, ... [more] | SP2014-41 pp.383-388 |
|
| EA | 2014-03-28 15:40 |
Tokyo | NHK Science & Technology Research Labs. | Study on DOA estimation method using monaural modulation spectrum Masaru Ando, Daisuke Morikawa, Masashi Unoki (JAIST) EA2013-124 |
This paper reports feasibility of estimating direction of arrival (DOA) using monaural cues. In this paper, we investiga... [more] | EA2013-124 pp.25-30 |
| EA | 2013-07-19 09:30 |
Hokkaido | Health Sci. Univ. of Hokkaido | Study on blind method of estimating speech transmission index from reverberant speech signals Masashi Unoki, Kyohei Sasaki, Ryota Miyauchi, Masato Akagi (JAIST) EA2013-44 |
The speech transmission index (STI) is an objective measurement that is used to assess the quality of speech transmissio... [more] | EA2013-44 pp.63-68 |
| EA, EMM | 2012-11-16 11:45 |
Oita | OITA Univ. | Unified denoising and dereverberation method used in restoration of MTF-based power envelope Masashi Unoki, Shota Morita (JAIST), Xugang Lu (NICT) EA2012-86 EMM2012-68 |
Recent methods of speech enhancement have been proposed to suppress the effects of background noise and reverberation. T... [more] | EA2012-86 EMM2012-68 pp.29-34 |
| EA | 2012-10-27 14:15 |
Toyama | USHIDAKE resort (Toyama) | [Poster Presentation]
Study on method of estimating MTF-STI using generalized room impulse response Kyohei Sasaki, Masashi Unoki (JAIST) EA2012-78 |
The authors previously proposed a simplified method of blindly estimating speech transmission index (STI) in room acoust... [more] | EA2012-78 pp.79-84 |
| EA, SP, SIP | 2012-05-24 11:10 |
Osaka | Osaka Univ. Nakanoshima Center | Voice activity detection in MTF-based power envelope restoration Masashi Unoki (JAIST), Xugang Lu (NICT), Rico Petrick (TUD), Shota Morita, Masato Akagi (JAIST), Ruediger Hoffmann (TUD) EA2012-2 SIP2012-2 SP2012-2 |
This paper reports comparative evaluations of conventional voice activity detection (VAD) methods in reverberant environ... [more] | EA2012-2 SIP2012-2 SP2012-2 pp.7-12 |
| EA, SIP, SP | 2011-05-12 13:00 |
Osaka | Ritsumeikan Univ. | Study on the power envelope restoration based on the MTF concept and its application to ASR systems in noisy reverberant environments Shota Morita (JAIST), Xugang Lu (NICT), Masashi Unoki, Masato Akagi (JAIST), Ruediger Hoffmann (TUD) EA2011-7 SIP2011-7 SP2011-7 |
We previously proposed a method for restoring the speech power envelope from noisy reverberant speech based on a simple ... [more] | EA2011-7 SIP2011-7 SP2011-7 pp.37-42 |
| EA | 2010-10-22 13:50 |
Ishikawa | Kanazawa-city Omi-cho Koryu Plaza | A study on MTF-based power envelope restoration in noisy reverberant environments Shota Morita, Yutaka Yamasaki, Masashi Unoki, Masato Akagi (JAIST) EA2010-78 |
The authors have previously proposed a method for restoring the power envelope from the observed speech (noisy reverber... [more] |
EA2010-78 pp.121-126 |
| EA | 2009-06-26 14:00 |
Hokkaido | An MTF-based method for blindly restoring bone-conducted speech Kota Kinugasa, Masashi Unoki, Masato Akagi (JAIST) EA2009-31 |
Bone-conducted (BC) speech is more advantageous for speech communication in extremely noisy environments because of its ... [more] | EA2009-31 pp.79-84 |
|
| PN | 2009-03-09 11:25 |
Okinawa | Yonaguni Island | [Encouragement Talk]
All-optical limiter based on signal form transformation
-- In search of ideal limiting characteristics -- Hiroomi Goto, Tsuyoshi Konishi, Kazuyoshi Itoh (Osaka Univ.) PN2008-88 |
In optical networks, it is necessary to compensate optical signal intensity fluctuations for accurate data reception and... [more] | PN2008-88 pp.23-28 |
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