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    • 2. 发明申请
    • A DIGITAL COMPRESSOR FOR COMPRESSING AN AUDIO SIGNAL
    • 用于压缩音频信号的数字压缩机
    • WO2015113602A1
    • 2015-08-06
    • PCT/EP2014/051795
    • 2014-01-30
    • HUAWEI TECHNOLOGIES CO., LTD.GROSCHE, PeterLANG, YueZHANG, Qing
    • GROSCHE, PeterLANG, YueZHANG, Qing
    • H03G7/00
    • H03G7/002H03G7/007H03G9/18
    • The invention relates to a digital compressor (100) for compressing an input audio signal, the digital compressor (100) comprising a compression gain control (101) for providing a compression gain parameter, a compression parameter determiner (103) for determining a compression ratio from the compression gain parameter, the compression parameter determiner (103) being configured to weight the compression gain parameter by a predetermined weight factor to obtain the compression ratio, an auxiliary signal generator (105) for manipulating the input audio signal in dependence of the compression ratio to obtain a first auxiliary signal, and a combiner unit (107) for combining the first auxiliary signal with the compression gain parameter to obtain a second auxiliary signal, and for combining the input audio signal with the second auxiliary signal to obtain the compressed audio signal.
    • 本发明涉及一种用于压缩输入音频信号的数字压缩器(100),数字压缩器(100)包括用于提供压缩增益参数的压缩增益控制(101),用于确定压缩比的压缩参数确定器(103) 根据压缩增益参数,压缩参数确定器(103)被配置为将压缩增益参数加权预定权重因子以获得压缩比;辅助信号发生器(105),用于根据压缩来操纵输入音频信号 比率以获得第一辅助信号;以及组合器单元(107),用于将第一辅助信号与压缩增益参数组合以获得第二辅助信号,并且用于将输入音频信号与第二辅助信号组合以获得压缩音频 信号。