研究成果


最近(1年)の研究成果・報告


査読つき論文

  1. "音響情報ハイディングを用いる長距離空間伝搬音響情報伝送技術とその評価", 西村明, 東京情報大学研究論集, Vol. 22, No.2, pp.3-16, (2019) [学術レポジトリ]
  2. "Reversible Audio Data Hiding Based on Variable Error-Expansion of Linear Prediction for Segmental Audio and G.711 Speech", Akira Nishimura, IEICE TRANSACTIONS on Information and Systems, Vol. E99-D, No.1, pp.83-91, (2016) [PDF]
  3. "非理工系大学生に対する音響の授業における聴能形成とその効果", 西村 明, 日本音響学会誌, Vol.70, No.5, pp.252-259, (2014). https://doi.org/10.20697/jasj.70.5_252
  4. "Audio watermarking based on subband amplitude modulation", Akira Nishimura, Acoustical Science and Technology, Vol. 31, no. 5, pp.328--336, (2010) http://dx.doi.org/10.1250/ast.31.328 [PDF](J-STAGE)
  5. "Measurement of sampling jitter in analog-to-digital and digital-to-analog converters using analytic signals", Akira Nishimura and Nobuo Koizumi, Acoustical Science and Technology, Vol.31, No.2, pp.172-180, (2010) https://doi.org/10.1250/ast.31.172 日本音響学会第52回佐藤論文賞受賞
  6. "Audio Data Hiding that is Robust with Respect to Aerial Transmission and Speech Codecs", Akira Nishimura, International Journal of Innovative Computing, Information and Control, Vol.6, No.3(B), pp.1389-1400, (2010) [Abstract](IJICIC)
  7. "音響データハイディングを用いるスピーカ再生音と同期した情報呈示システム", 西村 明, 坂本 真一, 電子情報通信学会論文誌 A, Vol.J93-A, No.2, pp.91-99, (2010) [あらまし] (IEICE)
  8. "TCP/IPネットワークとWWWブラウザを用いる聴覚訓練システム, " 西村 明, 日本音響学会誌, Vol.62, No.3, pp.208-213. (2006) https://doi.org/10.20697/jasj.62.3_208
  9. "Prediction of initial-phase effects of harmonic complex maskers on masking period patterns using auditory model," Akira Nishimura, Acoustical Science and Technology, Vol.26, No.6, pp.523-525. (2005) [PDF](J-STAGE)
  10. "An auditory model that can account for frequency selectivity and phase effects on masking," Akira Nishimura, Acoustical Science and Technology, Vol.25, No.5, pp.330-339 (2004) https://doi.org/10.1250/ast.25.330
  11. "ディジタル・オーディオ機器におけるサンプリング・ジッターの諸様相とその要因," 西村 明、小泉 宣夫, 東京情報大学研究論集, Vol.7, No.2 pp.79-92 (2004) [PDF] (東京情報大学 図書館)
  12. "Absolute cues for auditory distance in front and lateral directions," Akira Nishimura and Minoru Sasaki, Acoustical Science and Technology, Vol.25, No.2 pp.127-135 (2004) [PDF](J-STAGE)
  13. "An auditory model that explains masking by Schroeder-phase complexes, " Akira Nishimura, Acoustical Science and Technology, Vol.22, No.6, pp.439-441 (2001) https://doi.org/10.1250/ast.22.439
  14. "The relationship between the fluctuations of harmonics and the subjective quality of flute tone, " Akira Nishimura, Mitsumi Kato and Yoshinori Ando, Acoustical Science and Technology, Vol.22, pp. 227-238 (2001) https://doi.org/10.1250/ast.22.227
  15. "Difference limens for pitch of harmonic complex tones comprising higher harmonics, " Akira Nishimura and Takashi Tsumura, Journal of the Acoustical Society of Japan (E),Vol.16, pp.247-250 (1995) https://doi.org/10.1250/ast.16.247

    筆頭著者以外

  16. "電子楽器の演奏の正確さと上達過程の分析 --従来楽器と新規な電子楽器との比較--", 小出英範, 西村明, 日本音響学会誌, Vol.78, No.6, pp.293-304 (2022). DOI https://doi.org/10.20697/jasj.78.6_293
  17. "楽器演奏に対する意識及び電子楽器と練習支援システムの必要性の調査", 小出 英範, 西村 明, 日本音響学会誌, Vol.77, No.12, pp.766-771, (2021). https://doi.org/10.20697/jasj.77.12_766
  18. "従来楽器とは異なる電子楽器の評価手法の検討 ー演奏に対する主観評価因子についての分析ー", 小出 英範, 西村 明, 日本音響学会誌, Vol.77, No.1, pp.7--15 (2021).[J-Stage]
  19. "Detection threshold for distortions due to jitter on digital audio, " Kaoru Ashihara, Shogo Kiryu, Nobuo Koizumi, Akira Nishimura, Juro Ohga, Masaki Sawaguchi and Shokichiro Yoshikawa, Acoustical Science and Technology, Vol.26, No.1, pp.50-54 (2005) [PDF](J-STAGE)
  20. "A Reversible Acoustic Steganography for Integrity Verification," Xuping Huang, Akira Nishimura and Isao Echizen, DIGITAL WATERKING, Lecture Notes in Computer Science, Volume 6526, pp.305-316 (2011) [Abstract] (SpringerLink)
  21. "Reversible Audio Information Hiding Based on Integer DCT Coefficients with Adaptive Hiding Locations", Xuping Huang, Nobutaka Ono, Isao Echizen, Akira Nishimura, Digital-Forensics and Watermarking Lecture Notes in Computer Science 2014, pp 376-389 (2014). [Abstract]
  22. "Information Hiding and Its Criteria for Evaluation", Keiichi IWAMURA, Masaki KAWAMURA, Minoru KURIBAYASHI, Motoi IWATA, Hyunho KANG Seiichi GOHSHI, Akira NISHIMURA, Trans. Info. Sys. IEICE, Vol. E100-D, No. 1, pp. 2--12 (2017). [Abstract] [PDF]

学位論文


書籍

  1. "第5.3節 教育工学的手法の導入", 音響学講座10 音響学の展開, 日本音響学会編, 西村明, pp.170-182, コロナ社, (2021).
  2. 音響情報ハイディング技術, 鵜木祐史, 西村竜一, 伊藤彰則, 西村 明, 近藤和弘, 薗田光太郎, (コロナ社, 東京, 2018). pp.57-75, 「3.2章 音声符号化 技術における音響情報ハイディング技術」を執筆
  3. "博物館や科学館における展示", 音響用語キーワードブック. 日本音響学会 編. コロナ社(東京). 2016.
  4. "Information Hiding for Audio Signals", Akira Nishimura, Kazuhiro Kondo, in Multimedia Information Hiding Technologies and Methodologies for Controlling Data, pp.1-18, IGI Global, 2012. [IGI Global]
  5. "Reversible Audio Data Hiding in Spectral and Time Domains", Akira Nishimura, in Multimedia Information Hiding Technologies and Methodologies for Controlling Data, pp.19-41, IGI Global, 2012. [IGI Global]
  6. "Measurement of digital audio", Akira Nishimura, Shogo Kiryu, Hiroyuki Okubo, Kaoru Ashiharain, in Hearing and Acoustic Measurements, pp.99-138, (Transworld Research Network, India, 2011), ISBN: 978-81-7895-505-6
  7. "情報科学の基礎", 布広永示/監修 松下孝太郎/編著 朴鍾杰/共著 西村明/共著 藤原丈史/共著 鈴木英男/共著 大見嘉弘/共著, アイ・ケイコーポレーション , ISBN: 978-4-87492-285-9 (2011) [全国書店ネットワーク]
  8. "超広帯域オーディオの計測", 蘆原郁 編著, 大久保洋幸, 小野一穂, 桐生昭吾, 西村明 著, コロナ社, ISBN: 978-4-339-00824-1 (2011) [コロナ社書籍詳細]

国際会議発表

  1. "Robust long-distance aerial audio data hiding: Comparison between amplitude modulation-based hiding and bilateral time-spread echo hiding", Akira Nishimura, Proc. of Int. Congress on Acoustics ICA2019, 8 pages.
  2. "Prediction of least significant bits from upper bits in linearly quantize d audio waveform", Akira Nishimura, Proc. of AES 146th Convention, Paper No. 10179, 5 pages, (2019)
  3. "A novel steganalysis of Steghide focused on high-frequency region of au dio waveform", Akira Nishimura, Proc. of Int. Workshop on Digital-forensics and Watermarking 2018, 13 pages, (2018)
  4. "Device-Specific Distortion Observed in Portable Devices Available for Recording Device Identification", Akira Nishimura, Proc. of 144th AES Convention, Paper Number 9955, 8 pages, (2018). [AES E-library]
  5. "Improvement and evaluation of time-spread echo hiding technology for long-distance voice evacuation system", Akira Nishimura, Digital Forensics and Watermarking, Springer LNCS 10431, pp.391--405, (2017).
  6. "Simulation of Long-Distance Aerial Transmissions for Robust Audio Data Hiding", Akira Nishimura, Advances in Intelligent Information Hiding and Multimedia Signal Processing Part I, Springer Smart Innovation Systems and Technologies no.81, pp.361--369, (2017).
  7. “Anti-forensics subtraction of electrical network frequency trace and its countermeasure”, Akira Nishimura, Proceedings of AES Conference on Forensic Audio, 1 page, (2017).
  8. "Effects of the tempo of background music on prospective and retrospective duration of a video program", Akira Nishimura, Journal of the Acoustical Society of America, vol. 140, issue 4, pp. 2988-2988 (2016) http://dx.doi.org/10.1121/1.4969254
  9. "Use of data hiding in aerial sounds for accessibility", Akira Nishimura, Journal of the Acoustical Society of America, vol. 140, issue 4, pp. 3366-3366 (2016) http://dx.doi.org/10.1121/1.4970745
  10. "Analysis and localization for ENF signals in the Tokyo metropolitan area", Akira Nishimura, AES 141st Convention, L.A., Paper No.9636, 9 pages, (2016). [AES E-Library]
  11. "Effects of lighting on impressions of popular music", Akira Nishimura, Takuya Matsukawa, Proceedings of International Congress of Acoustics (ICA2016), 9 pages, (2016). [PDF]
  12. "Detection of frequency-scale modification using robust audio watermarking based on amplitude modulation", Akira Nishimura, Proc. of Int. Workshop on Digital-forensics and Watermarking 2015, 13 pages, (2015)
  13. "Effects of ear training on education on sound quality of digital audio for non-technical undergraduates", Akira Nishimura, Proc. of AES 138th Convention, Paper No. 9224, 8 pages (2015). [AES E-library]
  14. "Reversible and robust audio watermarking based on spread spectrum and amplitude expansion", Akira Nishimura, Digital-forensics and Watermarking: 13th International Workshop; IWDW2014 Revised Selected Papers, LNCS9023, pp.215-229, (2015). https://doi.org/10.1007/978-3-319-19321-2_16
    Springer
  15. "Effects of ear training on audio education", Akira Nishimura, Proceedings of Forum Acusticum 2014, 4 pages, (2014). [7th Form Acusticum]
  16. "Encoding data by frequency modulation of a high--low siren emitted by an emergency vehicle", Akira Nishimura, Proceedings of 10th International Conference on Intelligent Information Hiding and Multimedia Signal Processing, pp.255-259, (2014).
  17. "Reversible and robust audio watermarking based on quantization index modulation and amplitude expansion", Akira Nishimura, Digital-forensics and Watermarking: 12th International Workshop; IWDW2013 Revised Selected Papers, LNCS8389, pp.275-287, (2014) DOI:10.1007/978-3-662-43886-2.20. [Abstract]
  18. "Predicting music listening preference from impressions of music pieces under four moods", Daisuke Ishikawa, Akira Nishimura, Nobuo Koizumi, Proceedings of ICMPC-APSCOM 2014 Joint Conference, pp.239 - 243, (2014).
  19. "Audio Watermarking based on Amplitude Modulation and Modulation Masking", Akira Nishimura, Proc. International Workshop on Information Hiding and its Criteria for evaluation (IWIHC 2014), pp.49-55, (2014) . DOI:10.1145/2598908.2598915. [ACM Digital Library]
  20. "Reversible and robust audio watermarking based on quantization index modulation and amplitude expansion", Akira Nishimura, Proceeding of International Workshop on Digital Forensics and Watermarking, 13 pages, (2013).
  21. "Ear training for non-technical students using a Web-based training system", Akira Nishimura, Proceedings of AES 50th International Conference on Audio Education, 7 pages, (2013). [AES E-library]
  22. "Objective evaluation of sound quality for attacks on robust audio watermarking", Akira Nishimura, Masashi Unoki, Akio Ogiwara, Kazuo Kondo, International Congress on Acoustics 2013, POMA Volume 19, 9 pages, pp. 030052 (June 2013). (free download from POMA) http://dx.doi.org/10.1121/1.4799661
  23. "Measurement of sound quality differences in individual CD media using residual waveform comparison", Akira Nishimura, The 134th AES Convention, Engineering Brief 83, 4 pages (2013) Free download from [AES E-Library]
  24. "Controlling quality and payload in reversible data hiding based on modified error expansion for segmental audio waveforms", Akira Nishimura, Proc. of IIHMSP2012, pp.110-113, (2012).
  25. "Acoustic design education for general liberal arts students", Akira Nishimura, ACOUSITS2012, J. Acoust. Soc. Am. Vol.131, No.4, Pt.2 (2012)
  26. "Reversible audio data hiding using linear prediction and error expansion”, Akira Nishimura, Proceedings of Seventh International Conference on Intelligent Information Hiding and Multimedia Signal Processing, pp.318-321, (2011) Best Paper Award 受賞
  27. "Aerial acoustic modem that is suitable to decode using a CELP-based speech encoder", Akira Nishimura, Proceedings of Sixth International Conference on Intelligent Information Hiding and Multimedia Signal Processing, pp.514--517 (2010)
  28. "Measurement of overtone frequencies of a toy piano and perception of its pitch", Akira Nishimura, Proceedings of 20th International Congress on Acoustics, (2010) [PDF]
  29. "An auditory model that can account for both period masking and simultaneous masking of the harmonic complex masker", Akira Nishimura, Proceedings of WESPAC10, No.0180, pp.1--8 (2009)
  30. "Data Hiding in Pitch Delay Data of the Adaptive Multi-Rate Narrow-band Speech Codec", Akira Nishimura, Proceedings of Fifth International Conference on Intelligent Information Hiding and Multimedia Signal Processing, pp.483--486 (2009)
  31. "Steganographic Band Width Extension for the AMR Codec of Low-Bit-Rate Modes", Akira Nishimura, Proceedings of Interspeech 2009, pp.2611--2614 (2009)
  32. "Data Hiding for Audio Signals that are Robust with respect to Air Transmission and a Speech Codec", Akira Nishimura, Proceedings of the 4th International Conference on Intelligent Information Hiding and Multimedia Signal Processing, pp.601--604, (2008) [PDF]
  33. "Presentation of Information Synchronized with the Audio Signal Reproduced by Loudspeakers Using an AM-based Watermark" Akira Nishimura, Proceedings of the 3rd International Conference on Intelligent Information Hiding and Multimedia Signal Processing, Vol.2, pp.275--278 (2007) [PDF]
  34. "Subjective and objective quality evaluation for audio watermarking based on sinusoidal amplitude modulation," Akira Nishimura, Proceedings of the 19th International Congress on Acoustics, Madrid, ELE-04-9 (2007) [PDF]
  35. "Data hiding in speech sounds using subband amplitude modulation robust against reverberations and background noise, " Akira Nishimura, Proceedings of the 2006 International Conference on Intelligent Information Hiding and Multimedia Signal Processing, pp.7--10 (2006) [PDF]
  36. "WWW-based multilingualized system for technical listening training," Akira Nishimura, Journal of the Acoustical Society of America, Vol. 120, No. 5, Pt.2, pp.3072--3073 (2006) presented in Fourth Joint Meeting of the Acoustical Society of America and the Acoustical Society of Japan, [Presentation and Trial]
  37. "AUDIO WATERMARKING BASED ON SINUSOIDAL AMPLITUDE MODULATION, " Akira Nishimura, Proceedings of IEEE ICASSP2006, IV, pp.797--800, (2006) [PDF]
  38. "Measurement and Analysis of Sampling Jitter in Digital Audio Products, " Akira Nishimura and Nobuo Koizumi, Proceedings of the 18th International Congress on Acoustics, IV, pp.2547-2550 (2004)
  39. "Measurement of sampling jitter using a musical signal, " Akira Nishimura and Nobuo Koizumi, Proceedings of the 114th Audio Engineering Society Convention, Preprint no.5797 (2003)
  40. "Effect of the fluctuations of harmonics on the subjective quality of flute tone, " Akira Nishimura, Mitsumi Kato and Yoshinori Ando, Proceedings of FORUM ACUSTICUM SEVILLA 2002, MUS-01-004 (2002)
  41. "An auditory model that explains individual differences of masking by Schroeder-phase complexes, " Akira Nishimura, Proceedings of FORUM ACUSTICUM SEVILLA 2002, PSY-01-011 (2002)
  42. "Measurement of sampling jitter in analog-to-digital and digital-to-analog converters using analytic signals, " Akira Nishimura and Nobuo Koizumi, Proceedings of the 112th Audio Engineering Society Convention, Preprint no.5586 (2002)

特許


解説


研究会資料・技術報告

音響教育

聴覚マスキング

オーディオメディア

音楽音響

ピッチ知覚

  • "倍音周波数のミスチューンによる基本音の高さの変化", 西村 明, 津村 尚志, 電子情報通信学会技術研究報告, SP-97-30, pp.7--14, (1997)
  • "調波複合音における基本音の高さの弁別限", 西村 明, 津村 尚志, 電子情報通信学会技術研究報告, EA-94-44, pp.9--16, (1994)

    聴空間知覚


    学会発表

    聴覚マスキング

    教育

    オーディオメディア

    音楽音響

    ピッチ知覚

    聴空間知覚


    akira@rsch.tuis.ac.jp