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    A METHOD AND AN APPARATUS OF DECODING AN AUDIO SIGNAL
    41.
    发明申请
    A METHOD AND AN APPARATUS OF DECODING AN AUDIO SIGNAL 审中-公开
    一种解码音频信号的方法和装置

    公开(公告)号：WO2009031871A3

    公开(公告)日：2009-04-30

    申请号：PCT/KR2008005292

    申请日：2008-09-08

    Applicant: LG ELECTRONICS INC ,  OH HYUN O ,  LEE MYUNG HOON ,  JUNG YANG WON ,  FALLER CHRISTOF

    Inventor： OH HYUN O ,  LEE MYUNG HOON ,  JUNG YANG WON ,  FALLER CHRISTOF

    IPC: G10L19/00

    CPC classification number: G10L21/0272 ,  G10L19/008 ,  G10L21/00

    Abstract: The present invention includes an audio signal receiving unit receiving the audio signal having a plurality of channel signals including an ambient component signal and a source component signal; an ambient component signal extracting unit extracting the ambient component signal of each of the channels based on correlation between the channel signals; an ambient component signal modifying unit modifying the ambient component signal using surround effect information; a source component signal extracting unit extracting the source component signal of each of the channels based on the correlation between the channel signals; a first signal output unit outputting the modified ambient component signal and the source component signal; and a second signal output unit outputting the audio signal or the source component signal. Accordingly, in an apparatus for decoding an audio signal and method thereof according to the present invention, an ambient component signal is extracted and modified based on correlation and the modified ambient and source component signals are outputted using different signal output units, respectively. Therefore, the present invention enhances a stereo effect of the audio signal. And, a signal output unit for outputting an ambient component signal is arranged to have an output direction different from that of another signal output unit for outputting a source component signal, whereby a listener can be provided with an audio signal of which ambient sound is enhanced.

    Abstract translation: 本发明包括音频信号接收单元，其接收具有包括环境分量信号和源分量信号的多个信道信号的音频信号; 环境分量信号提取单元，基于信道信号之间的相关性提取每个信道的环境分量信号; 环境分量信号修改单元，使用环绕效果信息修改环境分量信号; 源分量信号提取单元，基于信道信号之间的相关性提取每个信道的源分量信号; 输出修正的环境分量信号和源分量信号的第一信号输出单元; 以及输出音频信号或源分量信号的第二信号输出单元。 因此，在根据本发明的用于解码音频信号的装置及其方法中，基于相关性提取和修改环境分量信号，并且分别使用不同的信号输出单元输出修改的环境和源分量信号。 因此，本发明增强了音频信号的立体效果。 并且，用于输出环境分量信号的信号输出单元布置成具有与用于输出源分量信号的另一个信号输出单元的输出方向不同的输出方向，从而可以向收听者提供其环境声音被增强的音频信号 。

    DIALOGUE ENHANCEMENT TECHNIQUES
    42.
    发明申请
    DIALOGUE ENHANCEMENT TECHNIQUES 审中-公开
    对话增强技术

    公开(公告)号：WO2008035227A3

    公开(公告)日：2008-08-07

    申请号：PCT/IB2007003789

    申请日：2007-09-14

    Applicant: LG ELECTRONICS INC ,  HO HYEN-O ,  JUNG YANG WON

    Inventor： HO HYEN-O ,  JUNG YANG WON

    IPC: H04S5/00

    CPC classification number: H04S3/008 ,  G10L19/008 ,  G10L21/0232 ,  H04S5/00 ,  H04S2400/05 ,  H04S2420/03 ,  H04S2420/07

    Abstract: A plural-channel audio signal (e.g., a stereo audio) is processed to modify a gain (e.g., a volume level or loudness) of an estimated dialogue signal (e.g., dialogue spoken by actors in a movie) relative to other signals (e.g., reflected or reverberated sound). In some aspects, a classifier is used to classify component signals in the plural-channel audio signal or the estimated dialogue signal. In some aspects, a desired volume level for the dialogue signal is maintained relative to the plural-channel audio signal or other component signals.

    Abstract translation: 处理多声道音频信号（例如，立体声音频）以相对于其他信号（例如，音频信号）修改所估计的对话信号（例如，由电影中的演员说出的对话）的增益（例如，音量水平或响度）。 ，反射或混响的声音）。 在一些方面，使用分类器对多声道音频信号或估计对话信号中的分量信号进行分类。 在一些方面，相对于多声道音频信号或其他分量信号保持对话信号的期望音量水平。

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