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21. 发明授权

US08953819B2 Method and apparatus for focusing sound using array speaker 有权
公开(公告)号：US08953819B2
公开(公告)日：2015-02-10
申请号：US12076277
申请日：2008-03-14
申请人： Sang-chul Ko , Young-tae Kim , Jung-ho Kim
发明人： Sang-chul Ko , Young-tae Kim , Jung-ho Kim
IPC分类号： H04R5/02 , H04R5/00 , H04R1/40 , H04R3/00
CPC分类号： H04R1/403 , H04R3/005 , H04R2430/23
摘要： Provided is a method and apparatus for focusing sound using an array speaker system. The method includes generating a plurality of delayed signals to be focused to a predetermined position from an input signal, filtering a low-frequency signal having a frequency that is lower than a reference frequency from the delayed signals, generating low-frequency focusing signals divided into 2 groups by adjusting a gain of the filtered low-frequency signal, and applying the low-frequency focusing signals divided into the 2 groups to speaker units of the array speaker system at both sides with respect to a center portion of the array speaker system and outputting the low-frequency focusing signals through the speaker units. In this way, the performance of sound focusing for the low-frequency signal can be improved and thus a listener located a predetermined distance from and in a predetermined direction relative to the array speaker system can clearly listen to the low-frequency focusing signals.

22. 发明授权

US08311239B2 Method and apparatus for audio bass enhancement using stereo speakers 有权
标题翻译：使用立体声扬声器进行音频低音增强的方法和装置
公开(公告)号：US08311239B2
公开(公告)日：2012-11-13
申请号：US11896109
申请日：2007-08-29
申请人： Jung-ho Kim , Sang-chul Ko , Young-tae Kim , Sang-wook Kim
发明人： Jung-ho Kim , Sang-chul Ko , Young-tae Kim , Sang-wook Kim
IPC分类号： H03G5/00 , H03G9/00 , H03G3/00
CPC分类号： H04R5/04
摘要： Provided are a method and apparatus for audio bass enhancement using stereo speakers. By filtering a baseband signal of an input signal whose frequency is lower than a blocking frequency calculated based on the distance between first and second speakers, delaying the filtered signal for a predetermined time period, combining a signal component of the input signal output from the first speaker and a signal component of the delayed signal output from the first speaker and making the combined signal component correspond to the first speaker, and combining a signal component of the input signal output from the second speaker and a signal component of the delayed signal output from the second speaker and making the combined signal component correspond to the second speaker, deep and rich audio bass can be provided by a simple operation without structural modification of speakers with respect to micro speakers in which audio bass reproduction is not conventionally performed efficiently.
摘要翻译：提供了一种使用立体声扬声器进行音频低音增强的方法和装置。通过对频率低于基于第一和第二扬声器之间的距离计算的阻挡频率的输入信号的基带信号进行滤波，将经滤波的信号延迟预定时间段，将从第一和第二扬声器输出的输入信号的信号分量扬声器和从第一扬声器输出的延迟信号的信号分量，并使组合信号分量对应于第一扬声器，并组合从第二扬声器输出的输入信号的信号分量和从第二扬声器并且使得组合信号分量对应于第二扬声器，可以通过简单的操作来提供深而丰富的音频低音，而无需对扬声器进行结构修改，相对于其中音频低音再现不能有效地传统地进行的微音箱。

23. 发明授权

US08160281B2 Sound reproducing apparatus and sound reproducing method 有权
标题翻译：声音再现装置和声音再现方法
公开(公告)号：US08160281B2
公开(公告)日：2012-04-17
申请号：US11220599
申请日：2005-09-08
申请人： Young-tae Kim , Kyung-yeup Kim , Jun-tai Kim , Jung-ho Kim , Sang-chul Ko
发明人： Young-tae Kim , Kyung-yeup Kim , Jun-tai Kim , Jung-ho Kim , Sang-chul Ko
IPC分类号： H04R5/02
CPC分类号： H04R3/02 , H04S2400/01 , H04S2420/01
摘要： A sound reproducing apparatus and a sound reproducing method. The sound reproducing apparatus includes an actual listening environment feature function database where an actual listening space feature function is stored for correcting the virtual source in response to a feature of an actual listening space provided at the time of listening; and an actual listening space feature correcting unit of reading out the actual listening space feature function stored in the actual listening environment feature function database, and correcting the virtual source based on the reading result. Accordingly, causes of each distortion may be removed to provide sounds having the best quality.
摘要翻译：声音再现装置和声音再现方法。声音再现装置包括实际的听力环境特征功能数据库，其中存储实际听音空间特征功能以响应于在聆听时提供的实际聆听空间的特征来校正虚拟源; 以及实际收听空间特征校正单元，其读出存储在实际收听环境特征功能数据库中的实际收听空间特征函数，并且基于读取结果来校正虚拟源。因此，可以去除每个失真的原因以提供具有最佳质量的声音。

24. 发明授权

US08923536B2 Method and apparatus for localizing sound image of input signal in spatial position 有权
标题翻译：用于将输入信号的声像定位在空间位置的方法和装置
公开(公告)号：US08923536B2
公开(公告)日：2014-12-30
申请号：US11889431
申请日：2007-08-13
申请人： Young-tae Kim , Sang-wook Kim , Jung-ho Kim , Sang-chul Ko
发明人： Young-tae Kim , Sang-wook Kim , Jung-ho Kim , Sang-chul Ko
IPC分类号： H04R5/02 , H04S7/00
CPC分类号： H04S7/302 , H04R2499/11 , H04S2420/01 , H04S2420/03
摘要： 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.
摘要翻译：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。

25. 发明申请

US20060050909A1 Sound reproducing apparatus and sound reproducing method 有权
标题翻译：声音再现装置和声音再现方法
公开(公告)号：US20060050909A1
公开(公告)日：2006-03-09
申请号：US11220599
申请日：2005-09-08
申请人： Young-tae Kim , Kyung-yeup Kim , Jun-tai Kim , Jung-ho Kim , Sang-chul Ko
发明人： Young-tae Kim , Kyung-yeup Kim , Jun-tai Kim , Jung-ho Kim , Sang-chul Ko
IPC分类号： H04R5/02 , H04R5/00
CPC分类号： H04R3/02 , H04S2400/01 , H04S2420/01
摘要： A sound reproducing apparatus and a sound reproducing method. The sound reproducing apparatus includes an actual listening environment feature function database where an actual listening space feature function is stored for correcting the virtual source in response to a feature of an actual listening space provided at the time of listening; and an actual listening space feature correcting unit of reading out the actual listening space feature function stored in the actual listening environment feature function database, and correcting the virtual source based on the reading result. Accordingly, causes of each distortion may be removed to provide sounds having the best quality.
摘要翻译：声音再现装置和声音再现方法。声音再现装置包括实际的听力环境特征功能数据库，其中存储实际听音空间特征功能以响应于在聆听时提供的实际聆听空间的特征来校正虚拟源; 以及实际收听空间特征校正单元，读出存储在实际收听环境特征功能数据库中的实际收听空间特征功能，并且基于读取结果来校正虚拟源。因此，可以去除每个失真的原因以提供具有最佳质量的声音。

26. 发明授权

US08804969B2 Method and apparatus for outputting sound source signal by using virtual speaker 有权
标题翻译：使用虚拟扬声器输出声源信号的方法和装置
公开(公告)号：US08804969B2
公开(公告)日：2014-08-12
申请号：US12076357
申请日：2008-03-17
申请人： Young-tae Kim , Jung-ho Kim , Sang-chul Ko
发明人： Young-tae Kim , Jung-ho Kim , Sang-chul Ko
IPC分类号： H04R5/00 , H04R5/02
CPC分类号： H04R3/12 , H04S2400/11
摘要： A method and apparatus for outputting a sound source signal by using a virtual speaker are provided. The method includes generating a virtual sound source signal delayed by a virtual delay value, instead of by the minimum delay value, according to a sampling rate of an input sound source signal, from the input sound source signal; generating a speaker output signal in which a sampling rate is changed based on the input sound source signal and the generated virtual sound source signal; and outputting the generated speaker output signal. Thus, a non-uniform radiation pattern, which causes distortion in a sound radiated from a speaker array, is removed and the limitation of a frequency band of a controllable sound source signal is overcome, thereby providing a stable sound.
摘要翻译：提供了一种通过使用虚拟扬声器输出声源信号的方法和装置。该方法包括根据输入声源信号的采样率，根据输入声源信号产生延迟了虚拟延迟值而不是最小延迟值的虚拟声源信号; 产生基于所输入的声源信号和所生成的虚拟声源信号使采样率改变的扬声器输出信号; 并输出所生成的扬声器输出信号。因此，消除了从扬声器阵列辐射的声音失真的不均匀辐射图，克服了可控声源信号的频带的限制，从而提供稳定的声音。

27. 发明授权

US08386242B2 Method, medium and apparatus enhancing a bass signal using an auditory property 有权
标题翻译：方法，介质和装置，使用听觉属性增强低音信号
公开(公告)号：US08386242B2
公开(公告)日：2013-02-26
申请号：US11812950
申请日：2007-06-22
申请人： Jung-ho Kim , Sang-wook Kim , Young-tae Kim , Sang-chul Ko
发明人： Jung-ho Kim , Sang-wook Kim , Young-tae Kim , Sang-chul Ko
IPC分类号： G10L19/00
CPC分类号： G10L21/02 , G10H1/0091 , G10L21/0264 , H04R3/04 , H04R2430/03
摘要： Provided are a method, medium and apparatus for enhancing an acoustic signal using an auditory property. An acoustic signal is enhanced by generating a plurality of harmonic signals based on a predetermined acoustic signal frequency, selecting harmonic signals, which exist in an area masked by the predetermined harmonic signal, from among the generated plurality of harmonic signals, and outputting harmonic signals remaining after excluding the selected harmonic signals from the generated plurality of harmonic signals. The enhancement results in a bass signal of good sound quality and having a low distortion ratio, without changing the structure of a micro speaker.
摘要翻译：提供了一种使用听觉特性来增强声信号的方法，介质和装置。通过基于预定的声信号频率生成多个谐波信号，选择存在于由预定谐波信号屏蔽的区域中的谐波信号，从生成的多个谐波信号中产生多个谐波信号并输出剩余的谐波信号，从而增强声信号在从生成的多个谐波信号中排除所选择的谐波信号之后。该增强导致低音信号具有良好的音质并且具有低失真比，而不改变微型扬声器的结构。

28. 发明申请

US20080175396A1 Apparatus and method of out-of-head localization of sound image output from headpones 审中-公开
标题翻译：来自头皮的声像输出的头外定位的装置和方法
公开(公告)号：US20080175396A1
公开(公告)日：2008-07-24
申请号：US11889412
申请日：2007-08-13
申请人： Sang-chul Ko , Young-tae Kim , Sang-wook Kim , Jung-ho Kim
发明人： Sang-chul Ko , Young-tae Kim , Sang-wook Kim , Jung-ho Kim
IPC分类号： H04R5/00
CPC分类号： H04S1/005 , H04S2420/01
摘要： An apparatus for and method of externalizing a sound image output to headphones are provided. The method of externalizing a sound image output to headphones includes: localizing the sound image of an input signal to a predetermined area in front of a listener; and signal-processing a left signal component and a right signal component of the input signal with different delay values and gain values, respectively. According to the method and apparatus, the sound image output to the headphones can be localized to a virtual sound stage in front of the listener, thereby reducing tiredness occurring when listening through headphones, and even when a sound source includes many monophonic component, the sound image can be externalized.
摘要翻译：提供了一种将输出到耳机的声音图像外在化的装置和方法。将输出到耳机的声音图像外在化的方法包括：将输入信号的声音图像定位到收听者前面的预定区域; 并分别用不同的延迟值和增益值对输入信号的左信号分量和右信号分量进行信号处理。根据该方法和装置，输出到耳机的声音图像可以被定位到收听者前面的虚拟声音级，从而减少在通过耳机收听时发生的疲劳，并且即使当声源包括许多单声道分量时，声音图像可以外化。

29. 发明申请

US20080152175A1 Method and apparatus for audio bass enhancement using stereo speakers 有权
标题翻译：使用立体声扬声器进行音频低音增强的方法和装置
公开(公告)号：US20080152175A1
公开(公告)日：2008-06-26
申请号：US11896109
申请日：2007-08-29
申请人： Jung-ho Kim , Sang-chul Ko , Young-tae Kim , Sang-wook Kim
发明人： Jung-ho Kim , Sang-chul Ko , Young-tae Kim , Sang-wook Kim
IPC分类号： H04R5/02
CPC分类号： H04R5/04
摘要： Provided are a method and apparatus for audio bass enhancement using stereo speakers. By filtering a baseband signal of an input signal whose frequency is lower than a blocking frequency calculated based on the distance between first and second speakers, delaying the filtered signal for a predetermined time period, combining a signal component of the input signal output from the first speaker and a signal component of the delayed signal output from the first speaker and making the combined signal component correspond to the first speaker, and combining a signal component of the input signal output from the second speaker and a signal component of the delayed signal output from the second speaker and making the combined signal component correspond to the second speaker, deep and rich audio bass can be provided by a simple operation without structural modification of speakers with respect to micro speakers in which audio bass reproduction is not conventionally performed efficiently.
摘要翻译：提供了一种使用立体声扬声器进行音频低音增强的方法和装置。通过对频率低于基于第一和第二扬声器之间的距离计算的阻挡频率的输入信号的基带信号进行滤波，将经滤波的信号延迟预定时间段，将从第一和第二扬声器输出的输入信号的信号分量扬声器和从第一扬声器输出的延迟信号的信号分量，并使组合信号分量对应于第一扬声器，并组合从第二扬声器输出的输入信号的信号分量和从第二扬声器并且使得组合信号分量对应于第二扬声器，可以通过简单的操作来提供深而丰富的音频低音，而无需对扬声器进行结构修改，相对于其中音频低音再现不能有效地传统地进行的微音箱。

30. 发明授权

US07680290B2 Sound reproducing apparatus and method for providing virtual sound source 有权
标题翻译：用于提供虚拟声源的声音再现装置和方法
公开(公告)号：US07680290B2
公开(公告)日：2010-03-16
申请号：US11180568
申请日：2005-07-14
申请人： Sang-chul Ko , Jung-ho Kim , Jun-tai Kim , Young-tac Kim , Kyung-yeup Kim
发明人： Sang-chul Ko , Jung-ho Kim , Jun-tai Kim , Young-tac Kim , Kyung-yeup Kim
IPC分类号： H04R5/02 , H04R5/00
CPC分类号： H04S3/002 , H04S2420/01
摘要： A sound reproducing apparatus for providing an optimal virtual sound source and a sound reproducing method therefor are provided. The sound reproducing apparatus includes a virtual sound signal generation unit for generating more than one virtual sound signal corresponding to locations and the number of target virtual sound sources on the basis of more than one inputted sound signal, and a virtual sound signal downmix unit for downmixing said more than one virtual sound signal to virtual sound signal outputs corresponding to a predetermined number of output channels. The number and locations of diversely variable virtual sound sources are provided, thereby obtaining an effect of providing an optimal virtual sound source adaptively depending on each different environment.
摘要翻译：提供一种用于提供最佳虚拟声源及其再现方法的声音再现装置。声音再现装置包括：虚拟声音信号产生单元，用于根据多于一个输入的声音信号产生与位置和目标虚拟声源的数量相对应的多于一个的虚拟声音信号;以及虚拟声音信号下混单元，用于下混将多于一个虚拟声音信号对应于预定数量的输出通道的虚拟声音信号输出。提供了不同变化的虚拟声源的数量和位置，从而获得了根据每个不同环境自适应地提供最佳虚拟声源的效果。

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