Last modified: 2024-02-02 19:24:52 +0900

Index
| Journals / 論文 | Book Chapters / 書籍・章 | Reviews, Tutorial papers, and Articles / 総説・解説・記事 | Proceedings / 国際会議
| Invited presentations / 招待講演 | Domestic conferences, workshops, etc. / 国内大会,研究会

Journals / 学会論文誌(レター含む)

11. Kento Matsumoto, Sunao Hara, Masanobu Abe,
“Speech-like Emotional Sound Generation using WaveNet,”
IEICE Transactions on Information and Systems, pp.1581–1589, Vol.E105-D, No.9, Sept. 2022. [doi:10.1587/transinf.2021EDP7236] [IEICE]

10. Ibnu Daqiqil Id, Masanobu Abe, Sunao Hara,
“Acoustic Scene Classifier Based on Gaussian Mixture Model in the Concept Drift Situation,”
Advances in Science, Technology and Engineering Systems Journal, vol. 6, no. 5, pp. 167–176, Sept. 2021. [doi:10.25046/aj060519]

9. Katsuki Inoue, Sunao Hara, Masanobu Abe, Nobukatsu Hojo, Yusuke Ijima,
``Model architectures to extrapolate emotional expressions in DNN-based text-to-speech,’‘
Speech Communication, vol.126, pp.35–43, Feb. 2021. [doi:10.1016/j.specom.2020.11.004] [Available online 24 November 2020]

8. 濱野和人,阿部匡伸,原直,
``イベントを比喩に用いた感情伝達法の検討,’’
電子情報通信学会論文誌(レター,研究速報), Vol. J97-D, No. 12, pp.1680–1683 Dec. 2014. [IEICE]

7. Norihide Kitaoka, Yuji Kinoshita, Sunao Hara, Chiyomi Miyajima, Kazuya Takeda,
``A graph-based spoken dialog strategy utilizing multiple understanding hypotheses,’‘
Information and Media Technologies, Vol. 9, No. 1, pp. 111–120, March 2014. [doi:10.11185/imt.9.111] [J-STAGE]
(reprinted from Transactions of the Japanese Society for Artificial Intelligence, Vol. 29, No. 1, pp. 1–10, Jan. 2014. [doi:10.1527/tjsai.29.1] [JSAI] )

6. 真嶋温佳,藤田洋子,トーレス・ラファエル,川波弘道,原直,松井知子,猿渡洋,鹿野清宏,
``音声情報案内システムにおけるBag-of-Wordsを用いた無効入力の棄却’‘
情報処理学会論文誌,Vol. 54,No. 2,pp. 443–451, Feb. 2013. [IPSJ] [Repository (PDF)]

5. 原直,北岡教英,武田一哉,
``音声対話システムの発話・動作タグN-gramを用いた課題未達成のオンライン検出’‘
電子情報通信学会論文誌,Vol. J96-D,No. 1,pp. 81–93, Jan. 2013. [IEICE] [Repository (PDF)]

4. Arata Itoh, Sunao Hara, Norihide Kitaoka, Kazuya Takeda,
``Acoustic model training using pseudo-speaker features generated by MLLR transformations for robust speaker-independent speech recognition,’’
IEICE Transactions on Information and Systems, Vol. E95-D, No. 10, pp. 2479–2485, Oct. 2012. [IEICE]

3. Sunao Hara, Norihide Kitaoka, Kazuya Takeda,
``Field data collection of a distributed spoken dialog system for music retrieval and its evaluation,’‘
International Transaction on Computer Science and Engineering, Global Engineering, Science, and Technology society, Vol. 64, No. 1, pp. 33-58, May 2011.

2. 原直,北岡教英,武田一哉,
``音声対話システムの発話系列N-gramを利用した課題未達成対話の検出,’‘
電子情報通信学会論文誌(レター,研究速報), Vol. J94-D, No. 2, pp. 497–500, Feb. 2011. [IEICE]

1. 原直,宮島千代美,伊藤克亘,武田一哉,
``多様な音響環境下における音声認識システム利用時のデータ収集システム,’‘
電子情報通信学会論文誌, Vol. J90-D, No. 10, pp. 2807–2816, Oct. 2007. [IEICE] [CiNii]

Book Chapters / 書籍・章

5. Yuji Matsuo, Sunao Hara, Masanobu Abe,
``Algorithm to estimate a living area based on connectivity of places with home,’’
in HCI International 2015 - Posters’ Extended Abstracts (Part II), CCIS 529,
C. Stephanidis (Eds.),
pp. 570–576, ISBN:978-3-319-21382-8, ISSN:1865-0929, Springer International Publishing, 2015.
[doi:10.1007/978-3-319-21383-5_95]

4. Akinori Kasai, Sunao Hara, Masanobu Abe,
``Extraction of Key Segments from Day-Long Sound Data,’’
in HCI International 2015 - Posters’ Extended Abstracts (Part I), CCIS 528,
C. Stephanidis (Eds.),
pp. 620–626, ISBN:978-3-319-21379-8, ISSN:1865-0929, Springer International Publishing, 2015.
[doi:10.1007/978-3-319-21380-4_105]

3. Sunao Hara, Hiromichi Kawanami, Hiroshi Saruwatari, Kiyohiro Shikano,
``Development of a Toolkit Handling Multiple Speech-Oriented Guidance Agents for Mobile Applications,’’ Chapter 8, pp. 79–85,
Haruka Majima, Rafael Torres, Hiromichi Kawanami, Sunao Hara, Tomoko Matsui, Hiroshi Saruwatari, Kiyohiro Shikano,
``Evaluation of Invalid Input Discrimination Using Bag-of-Words for Speech-Oriented Guidance System,’’ Chapter 35, pp. 389–397,
in Natural interaction with Robots, Knowbots and Smartphones,
Joseph Mariani, Sophie Rosset, Martine Garnier-Rizet, Laurence Devillers (Eds.),
ISBN: 978-1-4614-8279-6, Springer, 2014. [doi:10.1007/978-1-4614-8280-2_8] [doi:10.1007/978-1-4614-8280-2_35]

2. Hiromasa Ohashi, Sunao Hara, Norihide Kitaoka, Kazuya Takeda,
``Music Recommendation System Based on Human-to-human Conversation Recognition,’‘
in Workshop Proceedings of the 7th International Conference on Intelligent Environments: Ambient Intelligence and Smart Environments, vol.10,
J.C. Augusto, H. Aghajan, V. Callaghan, D.J. Cook, J. O'Donoghue, S. Egerton, M. Gardner, B.D. Johnson, Y. Kovalchuk, R. Lopez-Cozar, P. Mikulecky, J.W.P. Ng, R. Poppe, M.J. Wang, V. Zamudio (Eds),
pp.352–361, ISBN 978-1-60750-794-9, IOS Press, 2011. [IOS Press] [Amazon.co.jp]

1. Sunao Hara, Norihide Kitaoka, Kazuya Takeda,
``On-line detection of task incompletion for spoken dialog systems using utterance and behavior tag N-gram vectors,’‘
in Proceedings of the Paralinguistic Information and Its Integration in Spoken Dialogue Systems Workshop,
Ramon Lopez-Cozar Delgado, Tetsunori Kobayashi (Eds.)
pp.215–225, ISBN 978-1-4614-1334-9, Springer, 2011. [Springer] [Amazon.co.jp]

Reviews, Tutorial papers, and Articles / 総説・解説・記事

6. 原直,阿部匡伸,
“機械学習による環境音からの主観的な騒音マップ生成,”
騒音制御,Vol. 46,No. 3,pp. 126–130,June 2022.

5. 阿部匡伸,原直,
“クラウドセンシングによる環境音の収集,”
騒音制御,Vol. 42, No. 1, pp. 20–23, Feb. 2018.

4. 原直,
“スマートデバイスによる音収録とその応用,”
日本音響学会誌,vol.73, no.8, pp.483–490, Aug. 2017.

3. 原直,阿部匡伸,
“ライフログ研究から見た音響信号の活用,”
騒音制御,Vol. 38,No. 1,pp. 15–21,Feb. 2014.

2. 岡本拓磨,奥園健,木谷俊介,原直,太田達也,井本桂右,
“学生・若手フォーラム第2期活動報告,”
日本音響学会誌,Vol. 69,No. 9,pp. 519–520,Sept. 2013. [CiNii]

1. 西村竜一,原直,川波弘道,李晃伸,鹿野清宏,
“10年間の長期運用を支えた音声情報案内システム「たけまるくん」の技術,”
人工知能学会誌(特集:「音声対話システムの実用化に向けて」),Vol.28,No.1,pp.52–59,Jan. 2013. [CiNii]

Proceedings of International Conferences and Workshops / 国際会議

50. Shunichi Kohara, Masanobu Abe, Sunao Hara,
“Speech-Emotion Control for Text-To-Speech in Spoken Dialogue Systems Using Voice Conversion and x-Vector Embedding,”
Proc. APSIPA-ASC 2023, pp.2296–2302, Oct.–Nov. 2023. (Poster presentation/2023-11-03)

49. Matsuri Iwasaki, Sunao Hara, Masanobu Abe,
“Speech Synthesis Using Ambiguous Inputs from Wearable Keyboards,”
Proc. APSIPA-ASC 2023, pp.1159–1165, Oct.–Nov. 2023. (Oral presentation/2023-11-02)

48. Sunao Hara and Masanobu Abe,
“Sound map of urban areas recorded by smart devices: case study at Okayama and Kurashiki,”
The 52nd International Congress and Exposition on Noise Control Engineering (Inter-Noise 2023), 12 pages, Chiba, Japan, Aug. 2023. (Oral presentation/2023-08-21; INVITED)

47. Sunao Hara and Masanobu Abe,
“Predictions for sound events and soundscape impressions from environmental sound using deep neural networks,”
The 52nd International Congress and Exposition on Noise Control Engineering (Inter-Noise 2023), 12 pages, Chiba, Japan, Aug. 2023. (Oral presentation/2023-08-23; INVITED)

46. Yusuke Ono, Sunao Hara, and Masanobu Abe,
“Prediction Method of Soundscape Impressions Using Environmental Sounds and Aerial Photographs,”
APSIPA Annual Summit and Conference (APSIPA-ASC 2022), pp.1222–1227, Chiang Mai, Thailand, Nov. 2022. (Oral-online presentation/2022-11-19; Corresponding author) [doi:10.23919/APSIPAASC55919.2022.9980290] [arXiv:2209.04077]

45. Ibnu Daqiqil Id, Masanobu Abe, and Sunao Hara,
“Incremental Audio Scene Classifier Using Rehearsal-Based Strategy,”
IEEE 11th Global Conference on Consumer Electronics (GCCE 2022), pp.606–610, Osaka, Japan, Oct. 2022.
(CD-ROM: IEEE 11th Global Conference on Consumer Electronics (GCCE 2022), pp.619–623, Osaka, Japan, Oct. 2022.) (Oral-online presentation/2022-10-19) [doi:10.1109/GCCE56475.2022.10014339]

44. Ibnu Daqiqil Id, Masanobu Abe, and Sunao Hara,
“Concept Drift Adaptation for Audio Scene Classification Using High-Level Features,”
The 40th IEEE International Conference on Consumer Electronics (ICCE 2022), MDA-V(2), 5 pages, Jan. 2022. [IEEE Xplore] [doi:10.1109/ICCE53296.2022.9730332]

43. Naoto Kakegawa, Sunao Hara, Masanobu Abe and Yusuke Ijima,
“Phonetic and Prosodic Information Estimation Using Neural Machine Translation for Genuine Japanese End-to-End Text-to-Speech,”
Interspeech 2021, pp.126–130, Brno, Czech Republic, Sept. 2021. (Oral-Online/2021-08-31) [doi:10.21437/Interspeech.2021-914]

42. Katsuki Inoue, Sunao Hara, Masanobu Abe,
“Module Comparison of Transformer-TTS for Speaker Adaptation based on Fine-tuning,”
APSIPA Annual Summit and Conference 2020, pp.826–830, Auckland, New Zealand, Dec. 2020. (Oral-Online/2020-12-10) [IEEE Xplore]

41. Ibnu Daqiqil Id, Masanobu Abe, Sunao Hara,
“Concept Drift Adaptation for Acoustic Scene Classifier Based on Gaussian Mixture Model,”
The 2020 IEEE Region 10 Conference (IEEE-TENCON 2020), pp.450–455, Osaka, Japan, Nov. 2020. (Oral-Online/2020-11-17) [doi:10.1109/TENCON50793.2020.9293766]

40. Kento Matsumoto, Sunao Hara, and Masanobu Abe,
“Controlling the Strength of Emotions in Speech-like Emotional Sound Generated by WaveNet,”
Interspeech 2020, pp.3421–3425, Shanghai, China, Oct. 2020. (Oral-Online/2020-10-28) [doi:10.21437/Interspeech.2020-2064]

39. Katsuki Inoue, Sunao Hara, Masanobu Abe, Tomoki Hayashi, Ryuichi Yamamoto, Shinji Watanabe, “Semi-supervised speaker adaptation for end-to-end speech synthesis with the pretrained models,” ICASSP 2020, pp. 7634–7638, Barcelona, Spain, May 2020. (Poster/2020-05-04) [doi:10.1109/ICASSP40776.2020.9053371]

38. Kento Matsumoto, Sunao Hara, Masanobu Abe, “Speech-like Emotional Sound Generator by WaveNet,” APSIPA Annual Summit and Conference 2019, pp.143–147, Paper 132, Lanzhou, China, Nov. 2019. (Oral/2019-11-19) [doi:10.1109/APSIPAASC47483.2019.9023346]

37. Hiroki Murakami, Sunao Hara, Masanobu Abe, “DNN-based Voice Conversion with Auxiliary Phonemic Information to Improve Intelligibility of Glossectomy Patients’ Speech,” APSIPA Annual Summit and Conference 2019, pp.138–142, Paper 207, Lanzhou, China, Nov. 2019. (Oral/2019-11-19; Corresponding author) [doi:10.1109/APSIPAASC47483.2019.9023168]

36. Adrien Gregorj, Zeynep Yücel, Sunao Hara, Akito Monden, Masahiro Shiomi, “A signal processing perspective on human gait: Decoupling walking oscillations and gestures,” The 4th International Conference on Interactive Collaborative Robotics (ICR 2019), (Oral/2019-08-21) [doi:10.1007/978-3-030-26118-4_8]

35. Hiroki Murakami, Sunao Hara, Masanobu Abe, Masaaki Sato, and Shogo Minagi,
“Naturalness Improvement Algorithm for Reconstructed Glossectomy Patient’s Speech Using Spectral Differential Modification in Voice Conversion,”
Interspeech 2018, Wed-P-2-2-1, pp. 2464–2468, Hyderabad, India, Sept. 2018. (Poster/2018-09-05) [doi:10.21437/Interspeech.2018-1239]

34. Sunao Hara, Asako Hatakeyama, Shota Kobayashi, and Masanobu Abe,
“Sound sensing using smartphones as a crowdsourcing approach,”
APSIPA Annual Summit and Conference 2017, FA-02.2, 6 pages, Kuala Lumpur, Malaysia, Dec. 2017. (Oral) [doi:10.1109/APSIPA.2017.8282238] [IEEE Xplore]

33. Katsuki Inoue, Sunao Hara, Masanobu Abe, Nobukatsu Hojo, and Yusuke Ijima,
“An investigation to transplant emotional expressions in DNN-based TTS synthesis,”
APSIPA Annual Summit and Conference 2017, TP-P4.9, 6 pages, Kuala Lumpur, Malaysia, Dec. 2017. (Poster) [doi:10.1109/APSIPA.2017.8282231] [IEEE Xplore]

32. Shigeki Kamada, Yuji Matsuo, Sunao Hara, and Masanobu Abe,
“New monitoring scheme for persons with dementia through monitoring-area adaptation according to stage of disease,”
ACM SIGSPATIAL Workshop on Recommendations for Location-based Services and Social Networks (LocalRec 2017), Article No. 1, 7 pages, California, USA, Nov. 2017. (Poster) [doi:10.1145/3148150.3148151]

31. Shota Kobayashi, Sunao Hara, Masanobu Abe,
“Prediction of subjective assessments for a noise map using deep neural networks,”
Proceedings of UbiComp/ISWC 2017 Adjunct, pp. 113–116, Hawaii, USA, Sept. 2017. (Poster) [doi:10.1145/3123024.3123091]

30. Kei Tanaka, Sunao Hara, Masanobu Abe, Masaaki Sato, Shogo Minagi,
“Speaker Dependent Approach for Enhancing a Glossectomy Patient’s Speech via GMM-based Voice Conversion,”
Interspeech 2017, pp. 3384–3388, Stockholm, Sweden, Aug. 2017. (Poster) [doi:10.21437/Interspeech.2017-841]

29. Kei Tanaka, Sunao Hara, Masanobu Abe, Shogo Minagi,
“Enhancing a Glossectomy Patient’s Speech via GMM-based Voice Conversion,”
APSIPA Annual Summit and Conference 2016, 4 pages, Jeju, Korea, Dec. 2016. (Oral) [doi:10.1109/APSIPA.2016.7820909] [IEEE Xplore]

28. Tomoyasu Tanaka, Sunao Hara, Masanobu Abe,
“A classification method for crowded situation using environmental sounds based on Gaussian mixture model-universal background model,”
ASA/ASJ 5th Joint Meeting, Honolulu, Hawaii, Nov. 2016. (Poster) [doi:10.1121/1.4969721]
(The Journal of the Acoustical Society of America, Vol. 140, No. 4, Pt. 2, p. 3110, Oct. 2016.)

27. Atsuya Namba, Sunao Hara, Masanobu Abe,
“LiBS: Lifelog browsing system to support sharing of memories,”
Proceedings of UbiComp/ISWC 2016 Adjunct, pp.165–168, Heidelberg, Germany, Sept. 2016. (Poster) [doi:10.1145/2968219.2971401] [ACM]

26. Shigeki Kamada, Sunao Hara, Masanobu Abe,
“Safety vs. Privacy: User Preferences from the Monitored and Monitoring Sides of a Monitoring System,”
Proceedings of UbiComp/ISWC 2016 Adjunct, pp.101–104, Heidelberg, Germany, Sept. 2016. (Poster) [doi:10.1145/2968219.2971412] [ACM]

25. Sunao Hara, Shota Kobayashi, Masanobu Abe,
“Sound collection systems using a crowdsourcing approach to construct sound map based on subjective evaluation,”
IEEE ICME Workshop on Multimedia Mobile Cloud for Smart City Applications (MMCloudCity-2016), W136 (6 pages), Seattle, USA, July 2016. (Oral presentation) [OUSAR (PDF)]

24. Masaki Yamaoka, Sunao Hara, Masanobu Abe,
“A Spoken Dialog System with Redundant Response to Prevent User Misunderstanding,”
in Proceedings of APSIPA Annual Summit and Conference 2015, pp.223–226, Hong Kong, Dec. 2015. (Oral presentation) [APSIPA] [IEEE Xplore] [doi:10.1109/APSIPA.2015.7415511] [OUSAR (PDF)]

23. Tadashi Inai, Sunao Hara, Masanobu Abe, Yusuke Ijima, Noboru Miyazaki and Hideyuki Mizuno,
“A Sub-Band Text-to-Speech by Combining Sample-Based Spectrum with Statistically Generated Spectrum,”
in Proceedings of Interspeech 2015, pp.264–268, Dresden, Germany, Sept. 2015. (Poster) [ISCA]

22. Akinori Kasai, Sunao Hara, Masanobu Abe,
“Extraction of key segments from day-long sound data,”
HCI International 2015, Los Angels, CA, USA, Aug. 2015. (Poster) [published as a book chapter]

21. Yuji Matsuo, Sunao Hara, Masanobu Abe,
“Algorithm to estimate a living area based on connectivity of places with home,”
HCI International 2015, Los Angels, CA, USA, Aug. 2015. (Poster) [published as a book chapter]

20. Sunao Hara, Masanobu Abe, Noboru Sonehara,
“Sound collection and visualization system enabled participatory and opportunistic sensing approaches,”
in Proceedings of 2nd International Workshop on Crowd Assisted Sensing, Pervasive Systems and Communications (CASPer-2015), Workshop of PerCom 2015, pp.390–395, St. Louis, Missouri, USA, March 2015. (Oral presentation) [IEEE Xplore] [doi:10.1109/PERCOMW.2015.7134069] [OUSAR (PDF)]

19. Masanobu Abe, Akihiko Hirayama, Sunao Hara,
“Extracting Daily Patterns of Human Activity Using Non-Negative Matrix Factorization,”
in Proceedings of IEEE International Conference on Consumer Electronics (IEEE-ICCE 2015), pp. 36–39, Las Vegas, USA, Jan. 2015. (Oral presentation) [IEEE Xplore] [doi:10.1109/ICCE.2015.7066309]

18. Takuma Inoue, Sunao Hara, Masanobu Abe,
“A Hybrid Text-to-Speech Based on Sub-Band Approach,”
in Proceedings of APSIPA Annual Summit and Conference 2014, FA-P-3, 4 pages, Siem Reap, Cambodia, Dec. 2014. (Poster) [IEEE Xplore] [doi:10.1109/APSIPA.2014.7041575]

17. Masanobu Abe, Daisuke Fujioka, Kazuto Hamano, Sunao Hara, Rika Mochizuki, Tomoki Watanabe,
“New Approach to Emotional Information Exchange: Experience Metaphor Based on Life Logs,”
in Proceedings of PerCom 2014, Work-in-Progress session, 4 pages, Budapest, Hungary, March 2014. (Poster) [IEEE Xplore] [doi:10.1109/PerComW.2014.6815198]

16. Haruka Majima, Rafael Torres, Hiromichi Kawanami, Sunao Hara, Tomoko Matsui, Hiroshi Saruwatari, Kiyohiro Shikano,
“Evaluation of invalid input discrimination using BOW for speech-oriented guidance system,”
in Proceedings of the 4th International Workshop on Spoken Dialog Systems (IWSDS2012), pp.339–347, Paris, France, Nov. 2012. (Poster) [naistar]

15. Sunao Hara, Hiromichi Kawanami, Hiroshi Saruwatari, Kiyohiro Shikano,
“Development of a toolkit handling multiple speech-oriented guidance agents for mobile applications,”
in Proceedings of the 4th International Workshop on Spoken Dialog Systems (IWSDS2012), pp.195–200, Paris, France, Nov. 2012. (Poster) [naistar]
—– The 4th International Workshop on Spoken Dialog Systems (IWSDS2012), Ermenonville / Paris, France, Nov. 28-30 2012.

14. Sunao Hara, Norihide Kitaoka, Kazuya Takeda,
“Causal analysis of task completion erros in spoken music retrieval interactions,”
in Proceedings of LREC 2012, pp.1365–1372, Istanbul, Turkey, May 2012. (Poster) [Full(Online)] [naistar]
—– The 8th international conference on Language Resources and Evaluation (LREC 2012) at Istanbul, Turkey, 22-25 May 2012. (Poster)

13. Atsushi Ando, Hiromasa Ohashi, Sunao Hara, Norihide Kitaoka, Kazuya Takeda,
“Multi-band speech recognition using band-dependent confidence measures of blind source separation,”
in Proceedings of ACOUSTICS 2012 HONG KONG, Paper 1aSCb4, 6 pages, Hong Kong, May 2012. [Abstract(Online)] [naistar]
—– The ACOUSTICS 2012 HONG KONG conference and exhibition at Hong Kong, 14-18 May 2012. (Poster)

12. Arata Itoh, Sunao Hara, Norihide Kitaoka, Kazuya Takeda,
“Robust seed model training for speaker adaptation using pseudo-speaker features generated by inverse CMLLR transformation,”
2011 Automatic Speech Recognition and Understanding Workshop (ASRU 2011), pp.169–172, Hawaii, Dec. 2011. (Poster) [doi:10.1109/ASRU.2011.6163925]

11. Arata Itoh, Sunao Hara, Norihide Kitaoka, Kazuya Takeda,
“Training Robust Acoustic Models Using Features of Pseudo-Speakers Generated by Inverse CMLLR Transformations,”
2011 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC 2011), Thu-AM. RS5, PID 146, Xi'an, China, Oct. 2011.

10. Sunao HARA, Norihide KITAOKA, Kazuya TAKEDA,
“On-line detection of task incompletion for spoken dialog systems using utterance and behavior tag N-gram vectors,”
in Proceedings of IWSDS 2011, Paper12, Granada, Spain, Sept. 2011. (Poster) [doi:10.1007/978-1-4614-1335-6_22]
—– Workshop on Paralinguistic Information and its Integration in Spoken Dialogue Systems (IWSDS 2011) at Granada, Spain, 1-3 Sept. 2011. (Poster)

9. Sunao HARA, Norihide KITAOKA, Kazuya TAKEDA,
“Detection of task-incomplete dialogs based on utterance-and-behavior tag N-gram for spoken dialog systems,”
in Proceedings of INTERSPEECH 2011, pp.1305–1308, Florence, Italy, Aug. 2011. (Poster) [NU Repos.]
—– 12th Annual Conference of the International Speech Communication Association (INTERSPEECH 2011) at Florence, Italy, 28-31 Aug. 2011. (Poster) [link]

8. Hiromasa OHASHI, Sunao HARA, Norihide KITAOKA, Kazuya TAKEDA,
“Music recommendation system based on human-to-human conversation recognition,”
in Proceedings of HCIAmI’11, Nottingham, U.K., July 2011.
—– 2nd International Workshop on Human-Centric Interfaces for Ambient Intelligence (HCIAmI’11), Nottingham Trent University at United Kingdom, 26 July 2011. (Oral) [link]

7. Sunao HARA, Norihide KITAOKA, Kazuya TAKEDA,
“Automatic detection of task-incompleted dialog for spoken dialog system based on dialog act N-gram,”
in Proceedings of INTERSPEECH2010, pp.3034–3037, Makuhari, Japan, Sept. 2010. (Poster) [NU Repos.] [ISCA Archive]
—– The 11th Annual Conference of the International Speech Communication Association (INTERSPEECH2010) at Makuhari, Japan.

6. Arata ITO, Sunao HARA, Norihide KITAOKA, Kazuya TAKEDA,
“Rapid acoustic model adaptation using inverse MLLR-based feature generation,”
in Proceedings of ICA2010, paper942, pp.1-6, Aug. 2010. —– The 20th International Congress on Acoustics at Sydney, Australia

5. Sunao HARA, Norihide KITAOKA, Kazuya TAKEDA,
“Estimation method of user satisfaction using N-gram-based dialog history model for spoken dialog system,”
in Proceedings of LREC2010, 579, pp.78–83, May 2010. (Oral) [LINK] —– 7th conference on International Language Resources and Evaluation (LREC'10) at Valleta, Malta

4. Sunao Hara, Chiyomi Miyajima, Katsunobu Ito, Norihide Kitaoka, Kazuya Takeda,
“Data collection and usability study of a PC-based speech application in various user environments,”
in Proceedings of Oriental-COCOSDA 2008, S1-4, pp.39–44, Kyoto, Japan, Nov. 2008. (Oral) [NU Repos.]

3. Akira Ozaki, Sunao Hara, Takashi Kusakawa, Chiyomi Miyajima, Takanori Nishino, Norihide Kitaoka, Katunobu Itou, Kazuya Takeda,
“In-car speech data collection along with various multimodal signals,”
in Proceedings of the Sixth International Conference on Language Resources and Evaluation (LREC'08), P22-9, Marrakech, Morocco, May 2008. [LINK]

2. Sunao Hara, Chiyomi Miyajima, Katsunobu Itou and Kazuya Takeda,
“An online customizable music retrieval system with a spoken dialogue interface”,
The Journal of the Acoustical Society of America, Vol. 120, No. 5, Pt. 2, pp.3378–pp.3379, Nov. 2006. (Poster) —– 4th Joint Meeting of ASA/ASJ

1. Sunao Hara, Ayako Shirose, Chiyomi Miyajima, Katsunobu Ito, Kazuya Takeda,
“Preliminary Study of a Learning Effect on Users to Develop a New Evaluation of the Spoken Dialogue System,”
in Proceedings of Oriental-COCOSDA 2005, pp.164–168, Jakarta, Indonesia, Dec. 2005. (Oral) [NU Repos.]