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    • 3. 发明申请
    • SOUND SOURCE SIGNAL FILTERING APPARATUS BASED ON CALCULATED DISTANCE BETWEEN MICROPHONE AND SOUND SOURCE
    • 基于麦克风和声源之间的计算距离的声源信号滤波装置
    • US20130129113A1
    • 2013-05-23
    • US13747065
    • 2013-01-22
    • Samsung Electronics Co., Ltd.
    • Jae-hoon JEONGKwang-cheol OHKyu-hong KIMSo-young JEONG
    • H04R3/00
    • G01S5/20H04R3/005
    • Provided is a sound source signal filtering method and apparatus. The sound source signal filtering method includes: generating two or more microphone output signals by combining sound source signals input through a plurality of microphones; calculating distances between the microphones and a sound source from which the sound source signals are emitted by using distance relationships according to frequencies of the sound source signals extracted from the generated microphone output signals; and filtering the sound source signals to obtain one or more sound source signals corresponding to a predetermined distance by using the calculated distances. Accordingly, it is possible to obtain only sound source signals emitted from a sound source at a particular distance from the microphone array among a plurality of sound source signals input through the microphone array.
    • 提供了一种声源信号滤波方法和装置。 声源信号滤波方法包括:通过组合通过多个麦克风输入的声源信号来产生两个或更多麦克风输出信号; 根据从产生的麦克风输出信号中提取的声源信号的频率,通过使用距离关系计算麦克风和声源之间的距离; 并且通过使用所计算的距离来对声源信号进行滤波以获得对应于预定距离的一个或多个声源信号。 因此,可以从通过麦克风阵列输入的多个声源信号中仅获得与麦克风阵列特定距离处的声源发出的声源信号。
    • 8. 发明申请
    • SOUND SOURCE SIGNAL FILTERING APPARATUS BASED ON CALCULATED DISTANCE BETWEEN MICROPHONE AND SOUND SOURCE
    • 基于麦克风和声源之间的计算距离的声源信号滤波装置
    • US20140056106A1
    • 2014-02-27
    • US14065900
    • 2013-10-29
    • Samsung Electronics Co., Ltd.
    • Jae-hoon JEONGKwang-cheol OhKyu-hong KimSo-young Jeong
    • G01S5/20
    • G01S5/20H04R3/005
    • Provided is a sound source signal filtering method and apparatus. The sound source signal filtering method includes: generating two or more microphone output signals by combining sound source signals input through a plurality of microphones; calculating distances between the microphones and a sound source from which the sound source signals are emitted by using distance relationships according to frequencies of the sound source signals extracted from the generated microphone output signals; and filtering the sound source signals to obtain one or more sound source signals corresponding to a predetermined distance by using the calculated distances. Accordingly, it is possible to obtain only sound source signals emitted from a sound source at a particular distance from the microphone array among a plurality of sound source signals input through the microphone array.
    • 提供了一种声源信号滤波方法和装置。 声源信号滤波方法包括:通过组合通过多个麦克风输入的声源信号来产生两个或更多麦克风输出信号; 根据从产生的麦克风输出信号中提取的声源信号的频率,通过使用距离关系计算麦克风和声源之间的距离; 并且通过使用所计算的距离来对声源信号进行滤波以获得对应于预定距离的一个或多个声源信号。 因此,可以从通过麦克风阵列输入的多个声源信号中仅获得与麦克风阵列特定距离处的声源发出的声源信号。
    • 9. 发明申请
    • AUDIO SIGNAL PROCESSING SYSTEM AND ECHO SIGNAL REMOVING METHOD THEREOF
    • 音频信号处理系统和信号信号去除方法
    • US20140010382A1
    • 2014-01-09
    • US13937521
    • 2013-07-09
    • SAMSUNG ELECTRONICS CO., LTD.
    • Jae-hoon JEONGAndreas SCHWARZWalter KELLERMANN
    • G10K11/16
    • G10K11/16H04M9/082H04R3/02H04R3/04H04R3/12H04R2499/11H04R2499/15
    • An audio signal processing system and an echo signal removing method thereof are provided. The audio signal processing system includes a speaker that is configured to output an audio signal; a microphone that is configured to receive the audio signal output by the speaker including an echo signal generated by the audio signal; an echo signal delay unit that is configured to delay the echo signal for a bulk delay time, and output the echo signal that is delayed; and an echo signal removing unit that is configured to remove the echo signal that is delayed and output by the echo signal delay unit from the audio signal received by the microphone, wherein the echo signal delay unit includes a bulk delay measuring unit that is configured to measure a bulk delay by analyzing impulse response characteristics of an echo path.
    • 提供一种音频信号处理系统及其回波信号去除方法。 音频信号处理系统包括配置成输出音频信号的扬声器; 麦克风,被配置为接收由扬声器输出的音频信号,包括由音频信号产生的回波信号; 回波信号延迟单元,其被配置为延迟所述回波信号以进行大量延迟时间,并输出延迟的回波信号; 以及回波信号去除单元,其被配置为从由所述麦克风接收的所述音频信号中去除由所述回波信号延迟单元延迟和输出的所述回波信号,其中所述回波信号延迟单元包括体延迟测量单元, 通过分析回波路径的脉冲响应特性来测量体积延迟。