-
公开(公告)号：KR101072886B1
公开(公告)日：2011-10-17
申请号：KR1020080127707
申请日：2008-12-16
Applicant: 한국전자통신연구원
Abstract: 본발명은캡스트럼평균차감방법및 그장치에관한것으로, 온라인음성인식서비스에서묵음구간의캡스트럼평균값을사용하여실제음성구간전체의캡스트럼평균값을추정함으로써, 채널특성을보다정확하게정규화할수 있다. 또한, 본발명은주변환경변화가발생하는경우에대해서도정확한캡스트럼평균값을추정할수 있어채널정규화성능이우수하다. 또한, 본발명은온라인음성인식상황에서추정하는묵음구간의캡스트럼평균값과실제음성구간전체의캡스트럼평균값과의차이로인한음성인식성능저하를극복할수 있다.
-
公开(公告)号：KR1020110066622A
公开(公告)日：2011-06-17
申请号：KR1020090123354
申请日：2009-12-11
Applicant: 한국전자통신연구원
Abstract: PURPOSE: An international interpretation device and method thereof based on voice recognition are provided to supply text data or a synthetic voice which is interpreted in a native language to attendees. CONSTITUTION: A conference participant information registering unit(100) registers conference participant information including the language used by a conference participant. A voice recognition unit(200) registers a keyword according to the conference participant contents of presentations in advance. The voice recognition circuit outputs a voice recognition result of a keyword form. A language interpreting unit(300) performs conversion to a target language corresponding to a using language per conference participants.
Abstract translation: 目的：提供一种基于语音识别的国际解读装置及其方法，用于向参加者提供用母语解释的文本数据或合成语音。 组织：会议参与者信息登记单元（100）登记包括会议参与者使用的语言的会议参与者信息。 语音识别单元（200）预先根据演示的会议参与者内容登记关键字。 语音识别电路输出关键词形式的语音识别结果。 语言解释单元（300）根据每个会议参与者执行对应于使用语言的目标语言的转换。
-
公开(公告)号：KR1020110034360A
公开(公告)日：2011-04-05
申请号：KR1020090091867
申请日：2009-09-28
Applicant: 한국전자통신연구원
IPC: G10L21/0272 , G10L21/0208 , G10L15/20
Abstract: PURPOSE: A location tracing apparatus using user voice and method thereof are provided to reduce voice recognition degradation by echo sound and to integrate a sound source location determination technology. CONSTITUTION: A sound source determining unit(10) divides two channel signals by sound source. A stereo wiener filter unit(20) removes a noise from a sound source signal that is separated by the sound source determining unit. The stereo wiener filter unit filters a residual signal factor. A voice recognition unit(60) recognizes the voice of a user from the separated sound source signal and measures the reliability for a voice recognition result. A channel select unit(80) selects a target channel based on the reliability for the voice recognition result. A sound source location tracing unit(130) analyzes an interfere channel signal and a target channel signal.
Abstract translation: 目的：提供使用用户语音的位置跟踪装置及其方法，以减少由回声产生的声音识别劣化，并集成声源定位技术。 构成：音源决定单元（10）通过声源分割两声道信号。 立体声滤波器单元（20）从由声源确定单元分离的声源信号中去除噪声。 立体声维纳滤波器单元滤除残留信号因子。 语音识别单元（60）从分离的声源信号识别用户的声音，并测量语音识别结果的可靠性。 频道选择单元（80）基于语音识别结果的可靠性来选择目标频道。 声源位置跟踪单元（130）分析干扰信道信号和目标信道信号。
-
公开(公告)号：KR101001618B1
公开(公告)日：2010-12-17
申请号：KR1020080085095
申请日：2008-08-29
Applicant: 한국전자통신연구원
IPC: G10L15/08 , G10L15/26 , H04N21/438
Abstract: 본 발명은 음성 인식을 위한 음성 인식 정보를 생성하고 이를 이용하여 음성 입력을 통한 방송 서비스를 제공하는 기법에 관한 것으로, 방송 데이터의 문자열 정보에 따라 사전 매칭을 수행하고, 사전 매칭이 수행된 문자열의 구간 경계를 분할하여 음성 인식 대상 문자열 데이터를 생성하며, 이를 약어 처리하여 정규화한 후에, 정규화된 음성 인식 대상 문자열 데이터를 발화 이형태 문자열 데이터로 조합 생성하여 저장함으로써, 방송 서비스를 제공하기 위한 음성 입력 시 사용자 발화에 효과적으로 대응하여 해당 방송 서비스를 효과적으로 제공할 수 있는 것이다.
IP TV(Internet Protocol Television), 음성 인식-
公开(公告)号：KR1020100073161A
公开(公告)日：2010-07-01
申请号：KR1020080131755
申请日：2008-12-22
Applicant: 한국전자통신연구원
CPC classification number: G10L15/187 , G10L15/10
Abstract: PURPOSE: An utterance verification method and device for isolated word an NBEST recognition result are provided to enable more reliable voice recognition by displaying the acceptance/refusal or decision failure of voice recognition by measuring inter-phoneme similarity through DTW(Dynamic Time Warping). CONSTITUTION: A pre-processing unit(104) performs feature extraction and end point detection for detecting voice section and noise processing section. An NBEST voice recognition unit(106) perform an NBEST voice recognition through a viterbi speech in consideration of a context-subordinate sound model(26). An NBEST speech verification unit(108) compares the result of an SVM(Support Vector Machine) with the similarity result to measure the similarity of voice recognition result. Therefore, the NBEST speech verification unit displays the acceptance, refusal and decision failure for the voice recognition result.
Abstract translation: 目的：提供一种用于隔离词的话语验证方法和设备，其包括NBEST识别结果，以通过通过DTW（动态时间扭曲）测量语音间相似度来显示语音识别的接受/拒绝或决策失败来实现更可靠的语音识别。 构成：预处理单元（104）执行用于检测语音段和噪声处理部分的特征提取和终点检测。 考虑到上下文从属声音模型（26），NBEST语音识别单元（106）通过维特比语音执行NBEST语音识别。 NBEST语音验证单元（108）将SVM（支持向量机）的结果与相似度结果进行比较，以测量语音识别结果的相似度。 因此，NBEST语音验证单元显示语音识别结果的接受，拒绝和决策失败。
-
Patent Agency Ranking
公开(公告)号：KR1020100072746A
公开(公告)日：2010-07-01
申请号：KR1020080131238
申请日：2008-12-22
Applicant: 한국전자통신연구원
IPC: G10L15/20 , G10L21/0208 , G10L21/0272
Abstract: PURPOSE: A method and an apparatus for reducing a multi channel noise are provided to selectively apply beam-forming method and sound source separating method according to environment condition among multi-channel noises processing based on multi-channel voice recognition environment thereby maximizing noise processing performance. CONSTITUTION: A noise environment monitoring unit(210) grasps the number of sound source and background sound source and relative location information of user voice. According to how many information of the sound source and the relative location information of the background sound source and the user voice, a multi-channel noise processor(220) selects multi-channel noise processing methods among a plurality of multi-channel noises processing modes. The multi-channel noise processor performs noises processing by selected multi-channel noise processing method.
Abstract translation: 目的：提供一种降低多通道噪声的方法和装置，以便根据多声道噪声处理，根据环境条件选择性地应用波束形成方法和声源分离方法，从而使噪声处理性能最大化 。 构成：噪声环境监测单元（210）掌握用户声音的声源和背景声源的数量和相对位置信息。 根据声源的多少信息和背景声源和用户声音的相对位置信息，多声道噪声处理器（220）在多个多声道噪声处理模式中选择多声道噪声处理方法 。 多声道噪声处理器通过选择的多声道噪声处理方法进行噪声处理。
-
公开(公告)号：KR1020100072731A
公开(公告)日：2010-07-01
申请号：KR1020080131221
申请日：2008-12-22
Applicant: 한국전자통신연구원
CPC classification number: G01C21/3608 , G01C21/3611 , G01C21/3679 , G10L15/26
Abstract: PURPOSE: An apparatus for generating keyword for speech recognition for a navigation device is provided to enable a retrieval service of POI through voice by automatically producing the allomorph of POI which a user can say to a navigation device. CONSTITUTION: An apparatus for generating keyword for speech recognition in navigation device comprises a statistical model studying unit(202) and an allomorph generating unit. The statistical model studying unit analyzes the POI character strings. The statistical model studying unit builds probability value as statistical information. The allomorph generating unit creates the allomorphs on POI name using the statistical information.
Abstract translation: 目的：提供一种用于为导航装置生成用于语音识别的关键词的装置，以通过自动产生用户可以对导航装置说的POI的变体，从而通过语音实现POI的检索服务。 构成：用于在导航装置中生成用于语音识别的关键词的装置，包括统计模型研究单元（202）和变形生成单元。 统计模型研究单位分析POI字符串。 统计模型研究单位建立概率值作为统计信息。 变异生成单元使用统计信息在POI名称上创建变形。
-
公开(公告)号：KR1020100066916A
公开(公告)日：2010-06-18
申请号：KR1020080125433
申请日：2008-12-10
Applicant: 한국전자통신연구원
IPC: G10L99/00
Abstract: PURPOSE: A method for separating noise from an audio signal is provided to increase performance of sound source separation and increase convergence speed in a weighted learning stage, thereby increasing calculation efficiency. CONSTITUTION: A plurality of microphones records an audio signal that a user speaks and a noise signal. A beam former(20) performs a beam forming process and a blind processing separation procedure for the recorded audio signal and noise signal. The beam former spatially and statistically divides the audio signal and the noise signal. A sound source separator(30) separates the sound source signal and outputs the separated sound source signal.
Abstract translation: 目的：提供一种从音频信号中分离噪声的方法，以增加声源分离的性能，增加加权学习阶段的收敛速度，从而提高计算效率。 构成：多个麦克风记录用户说话的音频信号和噪声信号。 波束成形器（20）对记录的音频信号和噪声信号执行波束形成处理和盲目处理分离程序。 波束形成器在空间和统计学上划分音频信号和噪声信号。 声源分离器（30）分离声源信号并输出分离的声源信号。
-
公开(公告)号：KR1020100026187A
公开(公告)日：2010-03-10
申请号：KR1020080085095
申请日：2008-08-29
Applicant: 한국전자통신연구원
IPC: G10L15/08 , G10L15/26 , H04N21/438
Abstract: PURPOSE: A voice recognition information generation device, a method thereof, and a broadcast service method thereof are provided to generate a database from allomorph character string, thereby offering a broadcast service according to voice recognition. CONSTITUTION: A voice recognition information generation device includes a prior matching unit(302), a section boundary partition unit(308), a normalization unit(310), and an allomorph generation unit(312). The prior matching unit performs prior matching according to character string information of broadcast data. The section boundary partition unit partitions the section boundary of a character string of which prior matching is performed in order to generate voice recognition target character string data. The normalization unit normalizes generated voice recognition target character string. The allomorph generation unit generates allomorph character string data from normalized voice recognition target character string data.
Abstract translation: 目的：提供一种语音识别信息生成装置，其方法和广播服务方法，以从变形字符串生成数据库，从而根据语音识别提供广播服务。 构成：语音识别信息生成装置包括先验匹配单元（302），区间边界分割单元（308），归一化单元（310）和变形函数生成单元（312）。 先前的匹配单元根据广播数据的字符串信息执行先前的匹配。 区段边界分割单元对执行了先前匹配的字符串的区域边界进行分割，以便生成语音识别目标字符串数据。 归一化单元对生成的语音识别目标字符串进行归一化。 变形生成单元从归一化的语音识别目标字符串数据生成变形字符串数据。
-
公开(公告)号：KR100930039B1
公开(公告)日：2009-12-07
申请号：KR1020070133217
申请日：2007-12-18
Applicant: 한국전자통신연구원
CPC classification number: G10L15/01
Abstract: An apparatus for evaluating the performance of speech recognition includes a speech database for storing N-number of test speech signals for evaluation. A speech recognizer is located in an actual environment and executes the speech recognition of the test speech signals reproduced using a loud speaker from the speech database in the actual environment to produce speech recognition results. A performance evaluation module evaluates the performance of the speech recognition by comparing correct recognition results answers with the speech recognition results.
Abstract translation: 用于评估语音识别性能的装置包括用于存储N个用于评估的测试语音信号的语音数据库。 语音识别器位于实际环境中，并且在实际环境中从语音数据库执行使用扬声器再现的测试语音信号的语音识别以产生语音识别结果。 性能评估模块通过比较正确的识别结果答案和语音识别结果来评估语音识别的性能。
-
-
-
-
-
-
-
-
-
Search Results
210
records
(took 0.029 seconds)
