2009 Fiscal Year Final Research Report
Study on robust approach of estimating sound source direction with integrated model of both source and back ground noise under noisy environments
| Project/Area Number |
20760266
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Measurement engineering
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| Research Institution | Kyushu Institute of Technology |
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Principal Investigator |
MIZUMACHI Mitsunori Kyushu Institute of Technology, 大学院・工学研究院, 助教 (90380740)
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| Project Period (FY) |
2008 – 2009
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| Keywords | 音源方向推定 / 雑音耐性 / 音響・空間特徴量 / 信頼度推定 |
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| Research Abstract |
It is difficult to estimate a direction of arrival (DOA) accurately, when a target sound source is surrounded by acoustic interferences such as a variety of noises and reverberation. In this study, integrated modeling of both the target source and background noises is proposed to achieve robust DOA estimation under noisy environments. The model relies on acoustic characteristics of the source and the background noise, and is unified based on confidence of each DOA estimate, which is also proposed in this study. Feasibility of the proposed method has been confirmed under non-stationary noisy environments.
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