- 专利标题： Method, device, encoder apparatus, decoder apparatus and audio system
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申请号： US10599560申请日： 2005-03-30
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公开(公告)号： US09992599B2公开(公告)日： 2018-06-05
- 发明人: Machiel Willem Van Loon , Gerard Herman Hotho , Dirk Jeroen Breebaart
- 申请人： Machiel Willem Van Loon , Gerard Herman Hotho , Dirk Jeroen Breebaart
- 申请人地址： NL Eindhoven
- 专利权人： Koninklijke Philips N.V.
- 当前专利权人： Koninklijke Philips N.V.
- 当前专利权人地址： NL Eindhoven
- 优先权： EP04101405 20040405; EP04103367 20040714
- 国际申请： PCT/IB2005/051065 WO 20050330
- 国际公布： WO2005/098826 WO 20051020
- 主分类号： H04R5/00
- IPC分类号： H04R5/00 ; H04S3/00 ; G10L19/008 ; H04S3/02
摘要：
Method for processing a stereo signal includes encoding an N-channel audio signal in a stereo signal (Lo, Ro) and spatial parameters (wl, wr), processing the stereo signal using the spatial parameters for generating a processed stereo signal (low, Row). The matrix of the processed stereo signal is described as the matrix of the stereo signal, multiplied by a filter matrix (H) having element that are filter functions (H1, H2, H3, H4) operated with spatial parameters (wl, wr) and a constant (a). The filter functions are time invariant and selected so that the matrix is invertible.
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