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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Sugiyama, A. Miyahara, R. |
| Copyright Year | 2012 |
| Description | Author affiliation: Internet Terminal Division, NEC Engineering, 1753, Shimonumabe, Nakahara-ku, Kawasakishi, Kanagawa 211-8666, JAPAN (Miyahara, R.) || Information and Media Processing Research Laboratories, NEC Corporation, 1753, Shimonumabe, Nakahara-ku, Kawasakishi, Kanagawa 211-8666, JAPAN (Sugiyama, A.) |
| Abstract | This paper proposes an auto-focusing-noise suppressor for cellphonemovies based onmultiple noise references. Auto-focusing (AF) noise generated by lens actuators is suppressed with a spectral gain calculated from a combination of multiple noise references prepared in advance. For quick adjustment to individual differences among products,mixing ratios for noise references are adaptively determined by analysis results of the input signal. For simultaneous suppression of background noise, the spectral gain for AF noise or that for background noise, whichever is smaller, is applied to the input signal for actual suppression. Simulation results demonstrate that an AF noise generated by a commercial cellphone handset is successfully suppressed with little distortion in the target signal. Sound demonstration is provided upon presentation. |
| Starting Page | 45 |
| Ending Page | 46 |
| File Size | 188243 |
| Page Count | 2 |
| File Format | |
| ISBN | 9781457702303 |
| ISSN | 21583994 |
| e-ISBN | 9781457702310 |
| DOI | 10.1109/ICCE.2012.6161730 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2012-01-13 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Noise Noise measurement Speech Speech enhancement Motion pictures Telephone sets Estimation |
| Content Type | Text |
| Resource Type | Article |
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