发明申请
US20110112844A1 METHOD AND APPARATUS FOR ESTIMATING HIGH-BAND ENERGY IN A BANDWIDTH EXTENSION SYSTEM
有权
用于估计带宽扩展系统中的高带能量的方法和装置
- 专利标题： METHOD AND APPARATUS FOR ESTIMATING HIGH-BAND ENERGY IN A BANDWIDTH EXTENSION SYSTEM
- 专利标题（中）： 用于估计带宽扩展系统中的高带能量的方法和装置
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申请号： US13008924申请日： 2011-01-19
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公开(公告)号： US20110112844A1公开(公告)日： 2011-05-12
- 发明人: Mark A. Jasiuk , Tenkasi V. Ramabadran
- 申请人： Mark A. Jasiuk , Tenkasi V. Ramabadran
- 申请人地址： US IL Libertyville
- 专利权人： MOTOROLA, INC.
- 当前专利权人： MOTOROLA, INC.
- 当前专利权人地址： US IL Libertyville
- 主分类号： G10L19/00
- IPC分类号： G10L19/00
摘要：
A method (100) includes receiving (101) an input digital audio signal comprising a narrow-band signal. The input digital audio signal is processed (102) to generate a processed digital audio signal. An estimate of the high-band energy level corresponding to the input digital audio signal is determined (103). Modification of the estimated high-band energy level is done based on an estimation accuracy and/or narrow-band signal characteristics (104). A high-band digital audio signal is generated based on the modified estimate of the high-band energy level and an estimated high-band spectrum corresponding to the modified estimate of the high-band energy level (105).