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    • 46. 发明授权
    • Apparatus and method for restoring multi-channel audio signal using HE-AAC decoder and MPEG surround decoder
    • 使用HE-AAC解码器和MPEG环绕解码器恢复多声道音频信号的装置和方法
    • US08611547B2
    • 2013-12-17
    • US12307289
    • 2007-07-04
    • Jeong-Il SeoSeung-Kwon BeackIn-Seon JangDae-Young JangJin-Woo HongJin-Woong Kim
    • Jeong-Il SeoSeung-Kwon BeackIn-Seon JangDae-Young JangJin-Woo HongJin-Woong Kim
    • H04R5/00
    • G10L19/008G10L19/02G10L19/18
    • Provided is a method for controlling synchronizing downmix signals and MPEG surround side information signals by controlling a delay according to the kind of downmix audio signals in an MPEG surround decoder. When multi-channel audio signals are restored using an HE-AAC decoder and a low-power MPEG surround decoder and complex QMF signals outputted from the HE-AAC decoder are used as downmix signals, a delay unit compensates for a delay caused in a real-to-complex converter. Anther delay unit delays spatial parameters to compensate for a delay caused in QMF and Nyquist banks when time-domain downmix signals are used. Also, when multi-channel audio signals are restored using an HE-AAC decoder and a high-quality MPEG surround decoder and complex QMF signals outputted from the HE-AAC decoder are used as downmix signals, a delay unit compensates for a delay caused in a real-to-complex converter.
    • 提供了一种通过根据MPEG环绕解码器中的下混音频信号的种类来控制延迟来控制同步下混信号和MPEG环绕侧信息信号的方法。 当使用HE-AAC解码器和低功率MPEG环绕解码器来恢复多声道音频信号时,使用从HE-AAC解码器输出的复杂QMF信号作为下混合信号,延迟单元补偿实际产生的延迟 复合转换器。 花时延单元延迟空间参数以补偿在使用时域降混信号时在QMF和奈奎斯特银行中引起的延迟。 此外,当使用HE-AAC解码器和高质量MPEG环绕解码器恢复多声道音频信号并且将从HE-AAC解码器输出的复杂QMF信号用作下混合信号时,延迟单元补偿由 一个真实到复杂的转换器。
    • 48. 发明授权
    • Apparatus and method for driving a liquid crystal display device for reducing ripple noise
    • 用于驱动液晶显示装置以减少纹波噪声的装置和方法
    • US08416182B2
    • 2013-04-09
    • US12481877
    • 2009-06-10
    • Jin-Woo HongDae-Heung LeeSeung-Hyun KimByung-Sam MinHyun-Woo Jeon
    • Jin-Woo HongDae-Heung LeeSeung-Hyun KimByung-Sam MinHyun-Woo Jeon
    • G09G3/36
    • G09G3/3406G09G3/3648G09G2330/06
    • An apparatus and method for driving a liquid crystal display (LCD) device is disclosed. The apparatus for driving a liquid crystal display (LCD) device includes a liquid crystal display (LCD) panel for receiving a video signal and a clock signal, and displaying them, a backlight for emitting light on the LCD panel, a timing controller for controlling the LCD panel and the backlight, a signal generator which has the same frequency as that of a horizontal synchronous signal by modulating the clock signal, and generates a signal synchronized with the horizontal synchronous signal, and an inverter which receives a signal from the signal generator, allows a driving frequency of the light source to be the same as that of the horizontal synchronous signal, and allows the received signal to be synchronized with the horizontal synchronous signal.
    • 公开了一种用于驱动液晶显示(LCD)装置的装置和方法。 用于驱动液晶显示器(LCD)装置的装置包括用于接收视频信号和时钟信号的液晶显示器(LCD)面板,并显示它们,用于在LCD面板上发光的背光源,用于控制的定时控制器 LCD面板和背光源,通过调制时钟信号,具有与水平同步信号相同的频率的信号发生器,并产生与水平同步信号同步的信号;以及逆变器,其从信号发生器接收信号 允许光源的驱动频率与水平同步信号的驱动频率相同,并且允许接收信号与水平同步信号同步。