Sound source separation using null-beamforming and spectral subtraction for mobile devices

Shintaro Takada, Satoshi Kanba, Tetsuji Ogawa, Kenzo Akagiri, Tetsunori Kobayashi

研究成果: Conference contribution

7 引用 (Scopus)

抜粋

This paper presents a new type of speech segregation method for mobile devices in noisy sound situation, where two or more speakers are talking simultaneously. The proposed method consists of multiple null-beamformers, their minimum power channel selection and spectral subtraction. The proposed method is performed with space-saving and coplanar microphone arrangements and low-cost calculations, which are the very important requirements for the mobile application. Effectiveness of the proposed method is clarified in the segregation and the recognition experiments of two simultaneous continuous speeches: the method improved the PESQ-based MOS value by about one point and reduced 70% of word recognition errors compared with non-processing.

元の言語English
ホスト出版物のタイトル2007 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, WASPAA
ページ30-33
ページ数4
DOI
出版物ステータスPublished - 2007 12 1
イベント2007 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, WASPAA - New Paltz, NY, United States
継続期間: 2007 10 212007 10 24

出版物シリーズ

名前IEEE Workshop on Applications of Signal Processing to Audio and Acoustics

Conference

Conference2007 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, WASPAA
United States
New Paltz, NY
期間07/10/2107/10/24

    フィンガープリント

ASJC Scopus subject areas

  • Signal Processing

これを引用

Takada, S., Kanba, S., Ogawa, T., Akagiri, K., & Kobayashi, T. (2007). Sound source separation using null-beamforming and spectral subtraction for mobile devices. : 2007 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, WASPAA (pp. 30-33). [4393006] (IEEE Workshop on Applications of Signal Processing to Audio and Acoustics). https://doi.org/10.1109/ASPAA.2007.4393006