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    • 3. 发明授权
    • 오디오 신호 처리 방법 및 장치
    • 用于处理音频信号的方法和设备
    • KR101764633B1
    • 2017-08-04
    • KR1020127020609
    • 2011-01-17
    • 엘지전자 주식회사충북대학교 산학협력단
    • 정규혁김대환강인규김락용홍기봉박지강이인성임종하문상현이병석전혜정
    • G10L19/00
    • G10L19/038G10L19/002G10L19/0204G10L19/0212G10L19/028G10L19/20G10L19/22G10L21/038
    • 본발명은, 오디오신호에대해서주파수변환을수행함으로써, 복수개의주파수변환계수들을획득하는단계; 상기복수개의주파수변환계수들중 고주파대역의주파수변환계수들에대해서, 펄스비율을근거로일반모드및 비-일반모드중 하나를선택하는단계; 및, 상기비-일반모드가선택된경우, 다음단계가수행되는단계; 상기고주파대역의주파수변환계수들로부터미리결정된개수의펄스들을추출하고, 펄스정보를생성하는단계; 상기고주파대역의주파수변환계수들로부터상기펄스들을제외한원본노이즈신호를생성하는단계; 상기복수개의주파수변환계수들중 저주파대역의주파수변환계수를이용하여참조노이즈신호를생성하는단계; 및, 상기원본노이즈신호및 상기참조노이즈신호를이용하여, 노이즈위치정보및 노이즈에너지정보를생성하는단계를포함하는오디오신호처리방법이개시된다.
    • 本发明涉及一种用于对音频信号执行频率变换从而获得多个频率变换系数的方法和设备。 基于多个频率转换系数中的高频带的频率转换系数的脉冲率来选择正常模式和非正常模式中的一个模式; 如果选择了非正常模式,请执行以下步骤: 从高频带的频率转换系数中提取预定数量的脉冲,并产生脉冲信息; 生成除了来自高频带的频率转换系数的脉冲之外的原始噪声信号; 使用多个频率转换系数中的低频带的频率转换系数生成参考噪声信号; 并使用原始噪声信号和参考噪声信号生成噪声位置信息和噪声能量信息。
    • 4. 发明公开
    • 오디오 신호 처리 방법 및 장치
    • 用于处理音频信号的方法和装置
    • KR1020120121895A
    • 2012-11-06
    • KR1020127020609
    • 2011-01-17
    • 엘지전자 주식회사충북대학교 산학협력단
    • 정규혁김대환강인규김락용홍기봉박지강이인성임종하문상현이병석전혜정
    • G10L19/00
    • G10L19/038G10L19/002G10L19/0204G10L19/0212G10L19/028G10L19/20G10L19/22G10L21/038G10L19/02G10L19/00G10L19/012G10L19/032G10L19/04G10L19/09G10L19/10G10L19/16G10L19/18
    • PURPOSE: An audio signal processing method and an apparatus thereof are provided to encode a pulse on a corresponding band in case there is a strong signal on a specific frequency band. CONSTITUTION: A non-general mode encoding unit(150) includes a pulse extracting unit(152), a reference noise generating unit(154), and a noise searching unit(156). The pulse extracting unit extracts predetermined number of pulses from frequency conversion coefficients of a high frequency band. The pulse extracting unit generates pulse information. The reference noise generating unit generates a reference noise signal by using frequency conversion coefficients. The noise searching unit generates noise location information and noise energy information by using the reference noise signal. [Reference numerals] (152) Pulse extracting unit; (154) Reference noise generating unit; (156) Noise searching unit; (AA) Low frequency range; (BB) Reference noise; (CC) High frequency range; (DD) Original noise; (EE) Noise energy information; (FF) Noise location information; (GG) Pulse information
    • 目的:提供一种音频信号处理方法及其装置,用于在特定频带上存在强信号的情况下对相应频带上的脉冲进行编码。 构成:非通用模式编码单元(150)包括脉冲提取单元(152),参考噪声产生单元(154)和噪声搜索单元(156)。 脉冲提取单元从高频带的频率变换系数提取预定数量的脉冲。 脉冲提取单元产生脉冲信息。 参考噪声产生单元通过使用频率转换系数产生参考噪声信号。 噪声搜索单元通过使用参考噪声信号产生噪声位置信息和噪声能量信息。 (附图标记)(152)脉冲提取单元; (154)参考噪声发生单元; (156)噪声搜索单元; (AA)低频范围; (BB)参考噪声; (CC)高频范围; (DD)原声; (EE)噪声能量信息; (FF)噪声位置信息; (GG)脉冲信息
    • 7. 发明公开
    • 음성 분리 장치 및 이를 이용한 단일 채널 음성 분리 방법
    • 用于分离语音的装置和用于分离单通道语音的方法
    • KR1020110127783A
    • 2011-11-28
    • KR1020100047209
    • 2010-05-20
    • 충북대학교 산학협력단
    • 권오욱이윤경이인성
    • G10L21/0272G10L21/028
    • PURPOSE: A voice separation apparatus and single channel voice separation method using the same are provided to improve the accuracy of a voice separation by considering the size of voice signal and phase information. CONSTITUTION: A voice signal division unit(110) separates phase information and size information from the mixed voice signal of a microphone. A size information probability unit(130) defines a soft mask filter. The size information probability unit calculates the DFT(Discrete Fourier Transform)] of the divided voice signal. A phase information probability unit(140) calculates a phase information probability. A voice signal extraction unit(150) estimates the desired voice signal.
    • 目的:提供一种使用该语音分离装置和单声道语音分离方法,通过考虑语音信号和相位信息的大小来提高语音分离的精度。 构成:语音信号分割单元(110)从麦克风的混合语音信号分离相位信息和大小信息。 尺寸信息概率单元(130)定义了软掩模滤波器。 大小信息概率单位计算分割语音信号的DFT(离散傅立叶变换)]。 相位信息概率单元(140)计算相位信息概率。 语音信号提取单元(150)估计所需的语音信号。
    • 8. 发明公开
    • 생체신호 모니터링 시스템의 운영방법
    • 生物信号监测系统的方法
    • KR1020100070064A
    • 2010-06-25
    • KR1020080128656
    • 2008-12-17
    • 충북대학교 산학협력단
    • 이인성김영준정인교정규혁
    • A61B5/02A61B5/0404A61B5/04
    • PURPOSE: A method for operating a bio signal monitoring system is provided to improve the convenience of a user by adopting a wireless sensor network using Zigbee. CONSTITUTION: A user wireless terminal and an ECG(Electrocardiography) console register their own information in a SIP(Session Initiation Protocol) register server through an internet network, WLAN, or WiBro. Biosensors transmit a bio-signal to the user wireless terminal through Zigbee. The user wireless terminal outputs the bio signal received from the bio sensors as serial data. An SIP register server generates a media session for receiving a voice signal and the bio-signal of the user wireless terminal.
    • 目的:提供一种操作生物信号监测系统的方法,通过采用ZigBee的无线传感器网络来提高用户的便利性。 构成:用户无线终端和ECG(心电图)控制台通过互联网,WLAN或WiBro在SIP(会话发起协议)注册服务器中注册自己的信息。 生物传感器通过Zigbee向用户无线终端发送生物信号。 用户无线终端输出从生物传感器接收的生物信号作为串行数据。 SIP注册服务器生成用于接收语音信号和用户无线终端的生物信号的媒体会话。
    • 9. 发明公开
    • 생체신호관리시스템에서의 심전도 데이터 압축 및 압축 해제 방법
    • 生物信号监测系统心电图压缩和分解方法
    • KR1020100067363A
    • 2010-06-21
    • KR1020080125898
    • 2008-12-11
    • 충북대학교 산학협력단
    • 이인성정규혁김영준
    • A61B5/0452
    • PURPOSE: A method for ECG compression and decompression in bio-signals monitoring system are provided to effectively use a bandwidth in a wireless network by making it possible to compress and transmit electrocardiogram data without a distortion in the characteristics. CONSTITUTION: A wavelet coefficient is extracted through a wavelet lifting conversion of electrocardiogram data. Tri vectors are formed by using a hierarchical relation of the wavelet coefficient. The tri vectors comprise the number of the wavelets of an upper band and also the number of the wavelets of a lower band. The wavelet tri vectors are vector-quantized. A wavelet tri vector, which is a subject of vector-quantization, is stored in the higher index of a code book. The electrocardiogram data is restored through a wavelet reverse conversion of a restored tri vector. A final electrocardiogram signal is restored by combining a vector-quantization error and a code book wavelet tri vector.
    • 目的:提供一种用于生物信号监测系统中的ECG压缩和解压缩的方法,以有效地使用无线网络中的带宽,使得可以压缩和传输心电图数据,而不会在特征中失真。 构成:通过心电图数据的小波提升转换提取小波系数。 通过使用小波系数的分层关系形成三向矢量。 三向量包括上频带的小波数以及下频带的小波数。 小波三向量被矢量量化。 作为矢量量化的主题的小波三维矢量存储在码本的较高索引中。 心电图数据通过恢复的三维矢量的小波逆变换恢复。 通过组合矢量量化误差和码本小波三矢量来恢复最终的心电图信号。