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    • 1. 发明授权
    • Apparatus and method for generating an acoustic radiation pattern
    • 用于产生声辐射图的装置和方法
    • US09154876B2
    • 2015-10-06
    • US12903347
    • 2010-10-13
    • Sang-Chul KoYoung-Tae KimJung-Ho KimJung-Woo Choi
    • Sang-Chul KoYoung-Tae KimJung-Ho KimJung-Woo Choi
    • H04R1/20H04R5/00H04R5/02
    • H04R5/02
    • Disclosed are an apparatus and method for creating an acoustic radiation pattern, which may improve sound focusing performance to a target position. The acoustic radiation pattern creating apparatus may process an input signal which may be output through a speaker array in a room such that at least one vertical-directional reflected wave component of the input signal may overlap a direct sound of the input signal at the target position. Then, the acoustic radiation pattern creating apparatus may replicate the processed input signal by the number of output channels of the speaker array, and may process the replicated input signals such that the replicated input signals may form a predetermined radiation pattern in a horizontal direction in the room when the replicated input signals are output through the speaker array.
    • 公开了一种用于创建声辐射图案的装置和方法,其可以将声音聚焦性能改善到目标位置。 声辐射图形生成装置可以处理可以通过房间中的扬声器阵列输出的输入信号,使得输入信号的至少一个垂直方向反射波分量可以与目标位置处的输入信号的直接声音重叠 。 然后,声辐射图形创建装置可以通过扬声器阵列的输出通道的数量来复制经处理的输入信号,并且可以处理复制的输入信号,使得复制的输入信号可以在水平方向上形成预定的辐射图案 复制的输入信号通过扬声器阵列输出时的空间。
    • 6. 发明授权
    • Method and apparatus for localizing sound image of input signal in spatial position
    • 用于将输入信号的声像定位在空间位置的方法和装置
    • US08923536B2
    • 2014-12-30
    • US11889431
    • 2007-08-13
    • Young-tae KimSang-wook KimJung-ho KimSang-chul Ko
    • Young-tae KimSang-wook KimJung-ho KimSang-chul Ko
    • H04R5/02H04S7/00
    • H04S7/302H04R2499/11H04S2420/01H04S2420/03
    • A method and apparatus for localizing a sound image of an input signal to a spatial position are provided. The method of localizing a sound image to a spatial position includes: extracting from a head related impulse response (HRIR) measured with respect to changes in the position of a sound source, first information indicating a reflection sound wave reflected by the body of a listener; extracting from the HRIR second information indicating the difference between sound pressures generated in two ears, respectively, when a direct sound wave generated from the position of the sound source arrives at the two ears, respectively, of the listener; extracting third information indicating the difference between times taken by the direct sound wave to arrive at the two ears, respectively, from the HRIR; and localizing a sound image of an input signal to a spatial position by using the extracted information. According to the method and apparatus of the present invention, by using only important information having influence on sound image localization of a virtual sound source extracted from the HRIR, the sound image of the input signal can be localized to a spatial position with a small number of filter coefficients.
    • 提供了一种用于将输入信号的声像定位到空间位置的方法和装置。 将声像定位到空间位置的方法包括:从关于声源的位置变化测量的与头相关的脉冲响应(HRIR)提取的第一信息指示由听者的身体反射的反射声波 ; 当从声源的位置产生的直接声波分别到达听众的两只耳朵时,从HRIR中分别提取表示在两只耳朵中产生的声压之间的差异的第二信息; 提取表示从HRIR分别到达两只耳朵的直接声波所用时间之间的差异的第三信息; 以及通过使用所提取的信息将输入信号的声音图像定位到空间位置。 根据本发明的方法和装置,通过仅使用对从HRIR提取的虚拟声源的声像定位有影响的重要信息,输入信号的声像可以被定位到具有小数量的空间位置 的滤波器系数。
    • 10. 发明授权
    • Semiconductor integrated circuit
    • 半导体集成电路
    • US08766709B2
    • 2014-07-01
    • US13598980
    • 2012-08-30
    • Young Tae Kim
    • Young Tae Kim
    • G05F1/10
    • G05F1/563G11C5/147
    • A semiconductor integrated circuit includes a first internal voltage generator including a PMOS and a first comparator, and a second internal voltage generator including an NMOS, a second comparator, and a voltage pump generator configured to provide a pumping power voltage to the second comparator. A power control circuit switchably enables an output from the first internal voltage generator during a power-on of the semiconductor integrated circuit and enables an output from the second internal voltage generator after the power-on.
    • 半导体集成电路包括:第一内部电压发生器,包括PMOS和第一比较器;以及第二内部电压发生器,其包括NMOS,第二比较器和电压泵发生器,其被配置为向第二比较器提供泵浦电压。 功率控制电路在半导体集成电路的通电期间可切换地实现来自第一内部电压发生器的输出,并且使得能够在通电之后来自第二内部电压发生器的输出。