发明名称 |
METHOD AND APPARATUS FOR ESTIMATING HIGH-BAND ENERGY IN A BANDWIDTH EXTENSION SYSTEM |
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).
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申请公布号 |
US2011112845(A1) |
申请公布日期 |
2011.05.12 |
申请号 |
US201113008925 |
申请日期 |
2011.01.19 |
申请人 |
MOTOROLA, INC. |
发明人 |
JASIUK MARK A.;RAMABADRAN TENKASI V. |
分类号 |
G10L19/00 |
主分类号 |
G10L19/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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