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    • 1. 发明公开
    • VIDEO SYNCRONIZATION BASED ON REPRODUCING AUDIO SIGNAL SLOW OR FAST
    • 基于重现音频信号的视频同步慢或快
    • KR20070111695A
    • 2007-11-22
    • KR20060044801
    • 2006-05-18
    • LG ELECTRONICS INC
    • CHOI WOO YOUNGJEON HYE JEONG
    • H04N5/04
    • H04N21/4307H04N21/4394
    • An audio reproduction speed control-based video synchronization method is provided to control an audio frame reproduction speed without changing a voice color and adjust a reproduction speed of a video frame by synchronizing the reproduction speed of the video frame to the speed-controlled audio frame. It is checked whether it is an end of an audio file to which a TSM(Time Scale Modification) is applied(S210). When it is not an end of the audio file, audio decoding and video decoding are performed(S220,S230). Audio time scaling is performed on the decoded audio signal(S240). Video time scaling is performed on the decoded video signal in synchronization with the speed-controlled audio signal(S250).
    • 提供了一种基于音频再现速度控制的视频同步方法,用于通过将视频帧的再现速度与速度控制的音频帧同步来控制音频帧再现速度而不改变语音颜色并调整视频帧的再现速度。 检查是否应用了TSM(时间标度修改)的音频文件的结尾(S210)。 当不是音频文件的结尾时,执行音频解码和视频解码(S220,S230)。 对解码的音频信号执行音频时间缩放(S240)。 与速度控制的音频信号同步地对解码的视频信号执行视频时间缩放(S250)。
    • 2. 发明授权
    • APPARATUS AND METHOD FOR POST PROCESSING OF STEREO AUDIO DATA
    • 立体声音频数据的后处理装置和方法
    • KR100668927B1
    • 2007-01-12
    • KR20060005159
    • 2006-01-18
    • LG ELECTRONICS INC
    • SONG GUN HOJEON HYE JEONG
    • H04S1/00
    • H04S1/002H04R5/04H04S2420/11
    • A post-processing apparatus of stereo audio data and a post-processing method thereof are provided to post-process stereo audio signals not to secure units having pairs in communication environment or a communication system. An input unit(100) receives an audio signal. A detection unit(200) determines whether the audio signal prior to the input signal is a block unit having pairs or not when the audio signal inputted into the input unit is a stereo signal. A processing unit(300) processes the inputted audio signal according to a result of the detection unit. The processing unit includes an LR processing part(300a) for processing the stereo signal from a left channel to a right channel, an LRL processing part(300b) for processing the stereo signal from the left channel through the right channel to the left channel, an RL processing part(300c) for processing the stereo signal from the right channel to the left channel, and an RLR processing part(300d) for processing the stereo signal from the right channel through the left channel to the right channel.
    • 提供立体声音频数据的后处理装置及其后处理方法,用于后处理立体声音频信号,以不保证在通信环境或通信系统中具有配对的单元。 输入单元(100)接收音频信号。 当输入到输入单元的音频信号是立体声信号时,检测单元(200)确定输入信号之前的音频信号是否是具有对的块单元。 处理单元(300)根据检测单元的结果处理输入的音频信号。 处理单元包括用于处理从左声道到右声道的立体声信号的LR处理部分(300a),用于处理从左声道通过右声道到左声道的立体声信号的LRL处理部分(300b) 用于处理从右声道到左声道的立体声信号的RL处理部分(300c),以及用于处理从右声道通过左声道到右声道的立体声信号的RLR处理部分(300d)。