| Presentation | 2019-10-28 FastMNMF based on multivariant complex Student's t distribution for blind source separation Keigo Kamo, Yuki Kubo, Norihiro Takamune, Daichi Kitamura, Hiroshi Saruwatari, Yu Takahashi, Kazunobu Kondo, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | FastMNMF is a blind source separation technique, which is an accelerated algorithm of multichannel nonnegative matrix factorization under the assumption of jointly diagonalizable spatial covariance matrices. Source signals' spectrograms were assumed to follow a multivariate complex Gaussian distribution in FastMNMF. In this paper, we propose the model extension of FastMNMF to a multivariate complex Student's textit{t} distribution. We derive a new parameter update rule using the auxiliary-function-based method, and show that the proposed method outperforms the conventional Gaussian-model-based FastMNMF. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | blind source separation / spatial covariance model / multivariate complex Student's t distriburion |
| Paper # | EA2019-40 |
| Date of Issue | 2019-10-21 (EA) |
| Conference Information | |
| Committee | EA / ASJ-H |
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| Conference Date | 2019/10/28(2days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | NHK Science&Technology Research Lab. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Engineering/Electro Acoustics, Psychological and Physiological Acoustics, High-Reality Audio, Spatial Audio, and Related Topics |
| Chair | Kenichi Furuya(Oita Univ.) / 小澤 賢司(山梨大) |
| Vice Chair | Suehiro Shimauchi(Kanazawa Inst. of Tech.) / Shigeto Takeoka(Shizuoka Inst. of Science and Tech.) / 鵜木 祐史(北陸先端大) |
| Secretary | Suehiro Shimauchi(NHK) / Shigeto Takeoka(Univ. of Tokyo) / 鵜木 祐史(NTT) |
| Assistant | Keisuke Imoto(Ritsumeikan Univ.) / Daisuke Morikawa(Toyama Pref Univ.) |
| Paper Information | |
| Registration To | Technical Committee on Engineering Acoustics / Auditory Research Meeting |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | FastMNMF based on multivariant complex Student's t distribution for blind source separation |
| Sub Title (in English) | |
| Keyword(1) | blind source separation |
| Keyword(2) | spatial covariance model |
| Keyword(3) | multivariate complex Student's t distriburion |
| 1st Author's Name | Keigo Kamo |
| 1st Author's Affiliation | The University of Tokyo(UTokyo) |
| 2nd Author's Name | Yuki Kubo |
| 2nd Author's Affiliation | The University of Tokyo(UTokyo) |
| 3rd Author's Name | Norihiro Takamune |
| 3rd Author's Affiliation | The University of Tokyo(UTokyo) |
| 4th Author's Name | Daichi Kitamura |
| 4th Author's Affiliation | National Institute of Technology, Kagawa Collage(Kagawa NCIT) |
| 5th Author's Name | Hiroshi Saruwatari |
| 5th Author's Affiliation | The University of Tokyo(UTokyo) |
| 6th Author's Name | Yu Takahashi |
| 6th Author's Affiliation | Yamaha Corporation(Yamaha) |
| 7th Author's Name | Kazunobu Kondo |
| 7th Author's Affiliation | Yamaha Corporation(Yamaha) |
| Date | 2019-10-28 |
| Paper # | EA2019-40 |
| Volume (vol) | vol.119 |
| Number (no) | EA-253 |
| Page | pp.pp.23-29(EA), |
| #Pages | 7 |
| Date of Issue | 2019-10-21 (EA) |