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    • 61. 发明授权
    • 음원 위치 추적 방법 및 장치
    • 跟踪声源位置的方法和装置
    • KR101369139B1
    • 2014-03-24
    • KR1020070081790
    • 2007-08-14
    • 엘지전자 주식회사
    • 김승일송건호문상환전혜정
    • G01S3/808
    • 본발명의일 실시예에따른음원위치추적장치는, 수신되는음원신호를디지털신호로변환하는 A/D 변환부; 상기 A/D 변환부에의해변환된디지털음원신호를주파수영역으로변환하는주파수영역변환부; 하기제어부에의해산출된결과의신뢰도를계산하여, 신뢰도가소정의문턱값보다큰 산출결과만을선택하고신뢰도가상기문턱값보다작은산출결과는제거하는부정확결과제거부; 및각 주파수대역별음원의시간차를산출하고, 상기부정확결과제거부의산출결과를이용하여음원의최종시간차를산출하며, 상기음원의최종시간차를이용하여음원의위치를추적하는제어부를포함한다.
    • 根据本发明示例性实施例的用于跟踪声源的设备包括:A / D转换器,用于将接收到的声源信号转换成数字信号; 频域转换器,用于将由A / D转换器转换的数字声源信号转换为频域; 不精确结果移除单元,用于计算由后续控制单元计算的结果的可靠性,以仅选择可靠性大于预定阈值的计算结果,并且移除可靠性小于阈值的计算结果; 计算所述声源与yeokbyeol mitgak带之间的时间差,并且通过使用不准确的结果去除部的计算结果来计算声源之间的最终时间差,以及用于跟踪使用用于声源的最终时间差的声源的位置的控制单元。
    • 62. 发明公开
    • 오디오 신호 처리 방법 및 장치
    • 用于处理音频信号的方法和设备
    • KR1020130112871A
    • 2013-10-14
    • KR1020137006870
    • 2011-08-23
    • 엘지전자 주식회사
    • 이창헌정규혁김락용전혜정이병석강인규
    • G10L19/00
    • G10L19/008G10L19/02G10L19/038G10L19/04G10L2019/0005G10L19/00G10L19/002G10L19/032G10L19/035G10L19/06G10L19/10
    • PURPOSE: An audio signal processing method and a device thereof are provided to use a form vector generated based on energy when a spectral coefficient is transmitted. CONSTITUTION: A position detection unit (110) receives an input audio signal corresponding to multiple spectral coefficients. The position detection unit obtains position information indicating the position of a specific spectral coefficient among the spectral coefficients based on the energy of the input signal. A form vector generation unit (120) generates a form vector using the position information and the spectral coefficients. A vector quantization unit (130) searches a codebook corresponding to the form vector and determines a codebook index. A multiplexing unit (180) transmits the codebook index and the position information. [Reference numerals] (110) Position detection unit; (120) Form vector generation unit; (130) Vector quantization unit; (140) M+1 step input signal generation unit; (150) Normalized value encoding unit; (160) Residual generation unit; (170) Residual encoding unit; (180) Multiplexing unit; (AA) (step 1) input signal (X_0) m=0; (BB) Location (Km), signal (Signm); (CC) Bit stream; (F_ji) Envelop parameter index; (G) Normalized value code vector; (G_m) Normalized value; (G_mean) Normalized value average; (Gi) Normalized value index; (M_F) Average energy; (S_m) Normalized form vector; (X_m) M+1 step input signal; (Y_m) Form code vector; (Y_mi) Code book index; (Z) Residual
    • 目的:提供一种音频信号处理方法及其装置,以便在发送频谱系数时使用基于能量产生的形式向量。 构成:位置检测单元(110)接收对应于多个频谱系数的输入音频信号。 位置检测单元基于输入信号的能量获得指示频谱系数中的特定频谱系数的位置的位置信息。 表单向量生成单元(120)使用位置信息和频谱系数生成表单向量。 矢量量化单元(130)搜索与形式矢量对应的码本,并确定码本索引。 复用单元(180)发送码本索引和位置信息。 (附图标记)(110)位置检测单元; (120)形式向量生成单元; (130)矢量量化单元; (140)M + 1级输入信号生成单元; (150)归一化值编码单元; (160)残余发电机组; (170)残余编码单位; (180)复用单元; (AA)(步骤1)输入信号(X_0)m = 0; (BB)位置(Km),信号(Signm); (CC)位流; (F_ji)包络参数索引; (G)归一化值代码矢量; (G_m)归一化值; (G_mean)归一化值平均值; (Gi)归一化价值指数; (M_F)平均能量; (S_m)归一化形式向量; (X_m)M + 1步输入信号; (Y_m)表单代码向量; (Y_mi)代码本索引; (Z)残留
    • 63. 发明公开
    • 로봇 청소기 및 이의 제어 방법
    • 机器清洁器及其控制方法
    • KR1020130103204A
    • 2013-09-23
    • KR1020120024653
    • 2012-03-09
    • 엘지전자 주식회사
    • 이흥규전혜정이병기
    • A47L9/28B25J13/08B25J9/16G05D1/02
    • A47L9/009B25J9/0003B25J9/1697G05D1/0255G05D2201/0203G05D2201/0209G08B13/19613G08B13/19695G10L25/27G10L25/51Y10S901/01
    • PURPOSE: A robot cleaner and a control method thereof are provided to precisely recognize the sounds of events by updating the function of recognizing sounds with the sounds of surrounding environments. CONSTITUTION: A robot cleaner comprises a sound input unit (110), a sound recognizing unit (120), and a message output unit (131). The sound input unit is equipped with one or more microphones and receives the sounds of surrounding environments. The sound recognizing unit divides the sounds of the surrounding environments into event sounds and environment sounds and recognizes them. The message output unit outputs messages according to the event sounds or environment sounds. [Reference numerals] (110) Sound input unit; (120) Sound recognizing unit; (131) Message output unit; (140) Control unit; (150) Image detecting unit; (160) Communication unit
    • 目的:提供一种机器人清洁器及其控制方法,以通过用周围环境的声音识别声音的功能来精确地识别事件的声音。 构成:机器人清洁器包括声音输入单元(110),声音识别单元(120)和消息输出单元(131)。 声音输入单元配备一个或多个麦克风,并接收周围环境的声音。 声音识别单元将周围环境的声音分解为事件声音和环境声音,并识别它们。 消息输出单元根据事件声音或环境声音输出消息。 (附图标记)(110)声音输入单元; (120)声音识别单元; (131)消息输出单元; (140)控制单元; (150)图像检测单元; (160)通讯单元
    • 64. 发明公开
    • 스피치 시그널 부호화 방법 및 복호화 방법
    • 语音信号编码方法和语音信号解码方法
    • KR1020130086619A
    • 2013-08-02
    • KR1020137013582
    • 2011-11-23
    • 엘지전자 주식회사
    • 정규혁임종하전혜정강인규김락용
    • G10L19/00
    • G10L19/0019G10L19/0212G10L19/022
    • PURPOSE: A speech signal encoding and decoding method is provided to be effectively applied with a modified discrete cosine transform (MDCT) or an inverse modified discrete cosine transform (IMDCT) in the encoding and decoding process of a speech signal. CONSTITUTION: An encoder specifies an analysis frame among an input signal (S1910). The encoder produces transformation input based on the analysis frame (S1920). The encoder applies a window to the deformation input (S1930). The encoder produces a conversion factor with the MDCT of the deformation input (S1940). The encoder encodes the conversion factor (S1950). The deformation input includes the analysis frame and the partial self-duplication among the analysis frame. [Reference numerals] (S1910) Specify an analysis frame; (S1920) Produce deformation input; (S1930) Apply a window; (S1950) Encode
    • 目的:提供语音信号编码和解码方法,以在语音信号的编码和解码过程中有效地应用修正离散余弦变换(MDCT)或逆修正离散余弦变换(IMDCT)。 构成:编码器指定输入信号之间的分析帧(S1910)。 编码器根据分析帧产生变换输入(S1920)。 编码器向变形输入端施加一个窗口(S1930)。 编码器产生与变形输入的MDCT的转换系数(S1940)。 编码器对转换因子进行编码(S1950)。 变形输入包括分析框架和分析框架之间的部分自重复。 (参考号)(S1910)指定分析框; (S1920)生产变形输入; (S1930)申请一个窗口; (S1950)编码
    • 65. 发明公开
    • 오디오 신호 처리 방법 및 장치
    • 用于处理音频信号的方法和装置
    • KR1020130036304A
    • 2013-04-11
    • KR1020137002705
    • 2011-07-01
    • 엘지전자 주식회사
    • 정규혁전혜정김락용이병석강인규
    • G10L19/04
    • G10L19/06G10L19/012G10L19/22G10L19/24G10L25/78G10L19/04G10L19/00G10L19/002G10L19/02G10L19/07G10L19/12G10L19/125G10L19/18G10L21/00G10L21/0264
    • PURPOSE: An audio signal processing method and a device thereof are provided to adaptively switch a coding method corresponding to the network situation by switching a coding mode for each frame corresponding to the feedback from a network, thereby performing encoding suitable for the communication environment. CONSTITUTION: A mode determination unit(110) determines a coding mode based on the network information received from a network control unit(150). An audio encoding unit(130) encodes an audio signal corresponding to the determined coding mode. When the current frame of the audio signal corresponds to an inactive voice section, an SID frame generation unit(140) generates an SID frame for the current frame. [Reference numerals] (110) Mode determination unit; (120) Active section verification unit; (130) Audio encoding unit; (131) NB encoding unit; (132) WB encoding unit; (133) SWB encoding unit; (140) Silence frame generation unit; (150) Network control unit; (AA,FF) Coding mode; (BB) Network information; (CC) Audio signal; (DD,KK) Active flag(VAD flag); (EE) Audio frame; (GG) Channel condition information; (HH) Network; (II) Audio frame or silence frame; (JJ) Silent frame(SID);
    • 目的:提供一种音频信号处理方法及其装置,通过切换与来自网络的反馈相对应的每帧的编码模式,自适应地切换与网络情况相对应的编码方式,从而进行适合通信环境的编码。 构成:模式确定单元(110)基于从网络控制单元(150)接收的网络信息来确定编码模式。 音频编码单元(130)对与所确定的编码模式相对应的音频信号进行编码。 当音频信号的当前帧对应于非活动语音部分时,SID帧生成单元(140)生成当前帧的SID帧。 (附图标记)(110)模式确定单元; (120)活动部分验证单元; (130)音频编码单元; (131)NB编码单元; (132)WB编码单元; (133)SWB编码单元; (140)静音帧生成单元; (150)网络控制单元; (AA,FF)编码方式; (BB)网络信息; (CC)音频信号; (DD,KK)有效标志(VAD标志); (EE)音频帧; (GG)频道状况信息; (HH)网络; (II)音频帧或静音帧; (JJ)静音帧(SID);
    • 66. 发明公开
    • 혼합된 신호 분리방법
    • 分离混合信号的方法
    • KR1020110063250A
    • 2011-06-10
    • KR1020100027880
    • 2010-03-29
    • 엘지전자 주식회사
    • 김태수전혜정
    • G10L21/0272G10L21/028G11B20/24
    • G10L21/0272G10L21/028G10L25/78G11B20/24
    • PURPOSE: A mixed signal separating method is provided to easily remove noise and to separate mixed signals, which are outputted from a plurality of sources, according to each source. CONSTITUTION: A plurality of external sound sources is received through a first microphone and a second microphone(S1, S2). A first receiving signal, which is received from the first microphone, and a second receiving signal, which is received from the second microphone, are analyzed(S3, S4). The analyzed received signals are separated. Signal processing speed is rapidly processed by using the coefficient of a filter as energy normalization work(S6-S9).
    • 目的:提供一种混合信号分离方法,用于根据每个源轻松消除噪声并分离从多个源输出的混合信号。 构成:通过第一麦克风和第二麦克风接收多个外部声源(S1,S2)。 分析从第一麦克风接收到的第一接收信号和从第二麦克风接收的第二接收信号(S3,S4)。 分析的接收信号被分离。 通过使用滤波器的系数作为能量归一化工作,迅速地处理信号处理速度(S6-S9)。
    • 67. 发明公开
    • 음원 위치 추적 장치
    • 用于定位语音源的设备
    • KR1020100086616A
    • 2010-08-02
    • KR1020090005930
    • 2009-01-23
    • 엘지전자 주식회사
    • 김승일전혜정강홍구양재모
    • G01S5/22
    • PURPOSE: A device for tracking the location of the sound source of a voice signal is provided to reduce repeated discrete-Fourier-transform calculation by previously shortening the section of a delay time. CONSTITUTION: A cross power spectrum calculator(130) converts a first input signal and a second input signal of a time axis which are inputted through a plurality of receivers to the input signals of a frequency axis. A cross power spectrum between the first input signal and the second input signal is calculated. A harmonic frequency selector(140) selects a specific frequency of the harmonic component of the cross power spectrum. A harmonic phase section estimator(150) counts the phase of harmonic components based on a pre-set delay-time section. A specific delay-time section which includes harmonic phases as many as possible is selected. A delay-time calculator(160) calculates the delay-time between input signals and estimates the location of sound source using a harmonic component in a specific delay-time section.
    • 目的:提供用于跟踪语音信号的声源的位置的装置,以通过以前缩短延迟时间的部分来减少重复的离散傅里叶变换计算。 构成:交叉功率谱计算器(130)将通过多个接收机输入的时间轴的第一输入信号和第二输入信号转换为频率轴的输入信号。 计算第一输入信号和第二输入信号之间的交叉功率谱。 谐波频率选择器(140)选择交叉功率谱的谐波分量的特定频率。 谐波相位截面估计器(150)基于预设的延迟时间段对谐波分量的相位进行计数。 选择包括尽可能多的谐波相位的特定延迟时间部分。 延迟时间计算器(160)计算输入信号之间的延迟时间,并使用特定延迟时间段中的谐波分量来估计声源的位置。
    • 68. 发明公开
    • 화자 위치 추적 방법 및 장치
    • 跟踪扬声器及其装置的方法
    • KR1020090017203A
    • 2009-02-18
    • KR1020070081781
    • 2007-08-14
    • 엘지전자 주식회사
    • 김승일송건호전혜정문상환
    • H04N7/18G06F19/00
    • A speaker location tracking method and an apparatus thereof are provided to trace a speaker without mechanical location change of a lens or the like. A voice location of a speaker is traced by using a voice device or a face of the speaker is traced by using a video device. By using the voice location tracing information or the face tracing information or both information, a location of the speaker is computed. Video information of a predetermined area including the computed speaker location is mapped. An image processor(50) includes a lens having wide angle of view.
    • 提供扬声器位置跟踪方法及其装置,用于跟踪扬声器而不会使镜头等的机械位置变化。 通过使用语音设备跟踪扬声器的语音位置,或者通过使用视频设备跟踪扬声器的面部。 通过使用语音位置跟踪信息或面部跟踪信息或两者信息,计算说话者的位置。 映射包括计算出的说话者位置的预定区域的视频信息。 图像处理器(50)包括具有宽视角的透镜。
    • 69. 发明公开
    • 모바일 기기에서의 멀티미디어 데이터 메시징 시스템
    • 移动设备的多媒体数据消息传递系统
    • KR1020080087228A
    • 2008-10-01
    • KR1020070029100
    • 2007-03-26
    • 엘지전자 주식회사
    • 김승일송건호전혜정
    • H04B1/40H04L9/00
    • H04M1/72547H04L9/3273H04M1/72558
    • A multimedia data messaging system in a mobile apparatus is provided to generate one of synthesized data by synthesizing reproducible data even when a code is not equal to the data reproducible only when the code is equal, to send the generated synthesized data, and to perform selective reproduction of the data depending on whether the code is equal. A transmission mobile terminal selects music data to be transmitted(S110) and decides whether to record a voice(S120). If so, the terminal executes voice recording if a message for recording a user voice is to be transmitted(S130), and synthesizes a recorded voice signal with music data selected by a user when the voice recording is completed(S140). Synthesized audio message data where code setup and recoding processes are completed is transmitted to the other party's terminal based on a mobile communication network(S150).
    • 提供移动装置中的多媒体数据消息传送系统,用于通过合成可重现的数据来生成合成数据,即使当代码不等于仅在代码相等时可重现的数据时,发送所生成的合成数据,并执行选择性 根据代码是否相等,再现数据。 发送移动终端选择要发送的音乐数据(S110),并决定是否录制语音(S120)。 如果是,则如果要发送用于记录用户语音的消息,则终端执行语音记录(S130),并且当完成语音记录时,将记录的语音信号与用户选择的音乐数据合成(S140)。 基于移动通信网络向其他方的终端发送完成代码建立和重新编码处理的合成音频消息数据(S150)。
    • 70. 发明公开
    • 율동 기반 음악 동조화 장치 및 방법
    • 基于DANCING的音乐同步的装置和方法
    • KR1020070008238A
    • 2007-01-17
    • KR1020050063310
    • 2005-07-13
    • 엘지전자 주식회사
    • 최우영전혜정도대원조성문배소영송건호
    • G11B20/10
    • A rhythmic movement-based music synchronization apparatus and a method thereof are provided to output a rhythmic movement suitable for corresponding music together with the reproduced music by using a previously prepared rhythmic movement database. An input music signal(30) is analyzed at a synchronization system(40) so that a corresponding dance is searched. The searched dance is displayed on a display member(50). The input music signal is inputted in a music wave shape. The synchronization system includes a dance database(41). A search module(43) searches corresponding dance information from the database on the basis of a result analyzed by a music waveform analysis module(42). An output module(44) outputs the searched dance information.
    • 提供了一种基于节奏运动的音乐同步装置及其方法,通过使用预先准备的节奏运动数据库,输出适合于相应音乐的节奏运动与再现的音乐。 在同步系统(40)处分析输入音乐信号(30),从而搜索相应的舞蹈。 所搜索的舞蹈显示在显示部件(50)上。 输入音乐信号以音乐波形输入。 同步系统包括舞蹈数据库(41)。 搜索模块(43)基于由音乐波形分析模块(42)分析的结果从数据库中搜索相应的舞蹈信息。 输出模块(44)输出所搜索的舞蹈信息。