A Wind-Noise Suppressor with SNR Based Wind-Noise Detection and Speech-Wind Discrimination
A wind-noise suppressor with SNR based wind-noise detection and speech-wind discrimination is proposed. Wind-noise detection is performed in each frame and frequency based on the power ratio of the noisy speech and an estimated stationary noise. The detection result is modified by speech presence li...
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| Veröffentlicht in: | IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences Communications and Computer Sciences, 2018/10/01, Vol.E101.A(10), pp.1638-1645 |
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| container_title | IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences |
| container_volume | E101.A |
| creator | KATO, Masanori SUGIYAMA, Akihiko |
| description | A wind-noise suppressor with SNR based wind-noise detection and speech-wind discrimination is proposed. Wind-noise detection is performed in each frame and frequency based on the power ratio of the noisy speech and an estimated stationary noise. The detection result is modified by speech presence likelihood representing spectral smoothness to eliminate speech components. To suppress wind noise with little speech distortion, spectral gains are made smaller in the frame and the frequency where wind-noise is detected. Subjective evaluation results show that the 5-grade MOS for the proposed wind-noise suppressor reaches 3.4 and is 0.56 higher than that by a conventional noise suppressor with a statistically significant difference. |
| doi_str_mv | 10.1587/transfun.E101.A.1638 |
| format | Article |
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| ispartof | IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, 2018/10/01, Vol.E101.A(10), pp.1638-1645 |
| issn | 0916-8508 1745-1337 |
| language | eng |
| recordid | cdi_proquest_journals_2301833178 |
| source | J-STAGE Free |
| subjects | Discrimination Hard rock music Noise reduction noise suppressor Smoothness SNR based detection spectral gain modification Speech speech-wind discrimination wind noise |
| title | A Wind-Noise Suppressor with SNR Based Wind-Noise Detection and Speech-Wind Discrimination |
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