发明名称 |
Method and device for noise suppression in a decoded audio signal |
摘要 |
In one aspect, a noise suppression process for a decoded signal comprising a first decoded signal portion and a second decoded signal portion is provided. A first energy envelope generating curve and a second energy envelope generating curve of the first signal portion and of the second decoded signal portion are determined. An identification number depending on a comparison of the first and second energy envelope generating curves is formed. An amplification factor which depends on the identification number is derived. Multiplying the second decoded signal portion by the amplification factor, reduces pre-echo and post-echo interference noises. |
申请公布号 |
US8612236(B2) |
申请公布日期 |
2013.12.17 |
申请号 |
US20060632525 |
申请日期 |
2006.04.12 |
申请人 |
GARTNER MARTIN;SCHANDL STEFAN;SIEMENS AKTIENGESELLSCHAFT |
发明人 |
GARTNER MARTIN;SCHANDL STEFAN |
分类号 |
G10L19/00;G10L19/02;G10L19/025;G10L19/24;G10L21/02;G10L21/0364 |
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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