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    • 10. 发明公开
    • METHOD AND DEVICE FOR PROCESSING AUDIO SIGNALS
    • VERFAHREN UND VORRICHTUNG ZUR VERARBEITUNG VON AUDIOSIGNALEN
    • EP2610866A2
    • 2013-07-03
    • EP11820168.0
    • 2011-08-23
    • LG Electronics Inc.
    • LEE, ChangheonJEONG, GyuhyeokKIM, LagyoungJEON, HyejeongLEE, ByungsukKANG, Ingyu
    • G10L19/00G11B20/10
    • G10L19/008G10L19/02G10L19/038G10L19/04G10L2019/0005
    • The present invention provides a method for processing audio signals, and the method comprises the steps of: receiving input audio signals corresponding to a plurality of spectral coefficients; obtaining location information that indicates a location of a particular spectral coefficient among said spectral coefficients, on the basis of energy of said input signals: generating a shape vector by using said location information and said spectral coefficients; determining a codebook index by searching for a codebook corresponding to said shape vector; and transmitting said codebook index and said location information, wherein said shape vector is generated by using a part which is selected from said spectral coefficients, and said selected part is selected on the basis of said location information.
    • 本发明提供一种处理音频信号的方法,该方法包括以下步骤:接收对应于多个频谱系数的输入音频信号; 基于所述输入信号的能量获得指示所述频谱系数中的特定频谱系数的位置的位置信息:通过使用所述位置信息和所述频谱系数产生形状矢量; 通过搜索与所述形状矢量对应的码本来确定码本索引; 以及发送所述码本索引和所述位置信息,其中通过使用从所述频谱系数中选择的部分来生成所述形状向量,并且所述选择的部分是基于所述位置信息来选择的。