- 专利标题： Apparatus for encoding or decoding an encoded multichannel signal using a filling signal generated by a broad band filter
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申请号： US17543819申请日： 2021-12-07
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公开(公告)号： US11790922B2公开(公告)日： 2023-10-17
- 发明人: Jan Büthe , Franz Reutelhuber , Sascha Disch , Guillaume Fuchs , Markus Multrus , Ralf Geiger
- 申请人： Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
- 申请人地址： DE Munich
- 专利权人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
- 当前专利权人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
- 当前专利权人地址： DE Munich
- 代理机构： McClure, Qualey & Rodack, LLP
- 优先权： EP 183841 2017.07.28
- 分案原申请号： US16738301 2020.01.09
- 主分类号： G10L19/008
- IPC分类号： G10L19/008 ; G10L19/02 ; G10L19/26
摘要：
An apparatus for decoding an encoded multichannel signal includes: a base channel decoder for decoding an encoded base channel to obtain a decoded base channel; a decorrelation filter for filtering at least a portion of the decoded base channel to obtain a filling signal; and a multichannel processor for performing a multichannel processing using a spectral representation of the decoded base channel and a spectral representation of the filling signal, wherein the decorrelation filter is a broad band filter and the multichannel processor is configured to apply a narrow band processing to the spectral representation of the decoded base channel and the spectral representation of the filling signal.
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