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    • 3. 发明申请
    • Sound source separation apparatus and sound source separation method
    • 声源分离装置和声源分离方法
    • US20090012779A1
    • 2009-01-08
    • US12073336
    • 2008-03-04
    • Yohei IkedaTakashi HiekataTakashi MoritaHiroshi SaruwatariYoshimitsu Mori
    • Yohei IkedaTakashi HiekataTakashi MoritaHiroshi SaruwatariYoshimitsu Mori
    • G10L21/00
    • G10L21/0272H04R1/403
    • A sound source separation apparatus includes: an SIMO-ICA process unit, separating and generating an SIMO signal by the BSS method based on the ICA method; a sound source direction estimation unit, estimating a sound source direction based on a separating matrix, computed by a learning calculation of the BSS method based on the ICA method; a beamformer process unit, performing, on each SIMO signal, a beamformer process of enhancing, according to each frequency bin, a sound component from each sound source direction; an intermediate process unit, performing an intermediate process that includes performing a selection process, etc., according to each frequency bin on signals other than a specific signal among the beamformer processed sound signals; and an untargeted signal component elimination unit, eliminating noise signal components by comparing for one signal in the specific SIMO signal, volumes of the specific beam former processed sound signal and the intermediate processed signal according to each frequency bin.
    • 声源分离装置包括:SIMO-ICA处理单元,基于ICA方法通过BSS方法分离和产生SIMO信号; 声源方向估计单元,基于通过基于所述ICA方法的所述BSS方法的学习计算而计算出的基于分离矩阵的声源方向; 波束形成处理单元,在每个SIMO信号上执行波束形成处理,根据每个频率仓,增强来自每个声源方向的声音分量; 中间处理单元,对波束形成处理声音信号中的特定信号以外的信号,根据每个频率块执行包括进行选择处理等的中间处理; 以及非目标信号分量消除单元,通过比较特定SIMO信号中的一个信号,根据每个频率仓,特定波束形成处理声音信号的体积和中间处理信号来消除噪声信号分量。
    • 4. 发明申请
    • Object sound extraction apparatus and object sound extraction method
    • 对象声音提取装置和对象声音提取方法
    • US20080267423A1
    • 2008-10-30
    • US12078839
    • 2008-04-07
    • Takashi HiekataTakashi MoritaYohei IkedaToshiaki Shimoda
    • Takashi HiekataTakashi MoritaYohei IkedaToshiaki Shimoda
    • H04R3/00
    • H04R3/005
    • An object sound extraction apparatus includes sound source separation sections for separating and generating an object sound separation signal corresponding to an object sound and reference sound separation signals corresponding to the other reference sound based on each combination of a main acoustic signal and sub acoustic signals, an object sound separation signal synthesis section for synthesizing the object sound separation signals, and a spectrum subtraction processing section for extracting an acoustic signal corresponding to the object sound from the synthesis signal by performing a spectrum subtraction processing between the synthesis signal and the reference sound separation signals. Accordingly, in acoustic environments where the object sound and the noises are mixed in the acoustic signals obtained via the microphones, and the mixed conditions can vary, a high object sound extraction performance can be ensured by a small object sound extraction apparatus.
    • 对象声音提取装置包括声源分离部分,用于基于主声信号和副声信号的每个组合分离和产生对应于对象声音的对象声音分离信号和对应于其它参考声音的参考声音分离信号, 对象声音分离信号合成部分,用于合成对象声音分离信号;以及频谱减法处理部分,通过在合成信号和参考声音分离信号之间进行频谱减法处理,从合成信号中提取与对象声音相对应的声学信号 。 因此,在通过麦克风获得的声学信号中混合物体声音和噪声的声学环境中,并且混合条件可以变化,可以通过小物体声音提取装置来确保高目标声音提取性能。
    • 6. 发明申请
    • Sound Source Separation Apparatus and Sound Source Separation Method
    • 声源分离装置和声源分离方法
    • US20090306973A1
    • 2009-12-10
    • US12223069
    • 2007-01-23
    • Takashi HiekataTakashi MoritaHiroshi SaruwatariYoshimitsu Mori
    • Takashi HiekataTakashi MoritaHiroshi SaruwatariYoshimitsu Mori
    • G10L21/00
    • G10L21/028
    • A sound source separation apparatus, includes: a plurality of sound input means into which a plurality of mixed sound signals in which sound source signals from a plurality of sound sources superimpose each other are input; first sound source separating means for separating and extracting SIMO signals corresponding to at least one sound source signal from the plurality of mixed sound signals by means of a sound source separation process of a blind source separation system based on an independent component analysis method; intermediate processing executing means for obtaining a plurality of intermediately processed signals by carrying out a predetermined intermediate processing including one of a selection process and a synthesizing process to a plurality of specified signals which is at least a part of the SIMO signals, for each of frequency components divided into a plurality; and second sound source separating means for obtaining separation signals corresponding to the sound source signals by applying a binary masking process to the plurality of intermediately processed signals or a part of the SIMO signals and the plurality of intermediately processed signals.
    • 声源分离装置包括:多个声音输入装置,其中来自多个声源的声源信号彼此叠加的多个混合声音信号被输入其中; 第一声​​源分离装置,用于通过基于独立分量分析方法的盲源分离系统的声源分离处理从所述多个混合声音信号中分离和提取对应于至少一个声源信号的SIMO信号; 中间处理执行装置,用于针对频率的每一个,对包括至少一部分SIMO信号的多个指定信号执行包括选择处理和合成处理中的一个的预定中间处理,获得多个中间处理信号 组件分为多个; 以及第二声源分离装置,用于通过对多个中间处理信号或SIMO信号和多个中间处理信号的一部分应用二进制掩蔽处理来获得与声源信号相对应的分离信号。
    • 9. 发明申请
    • DEVELOPER CASE AND IMAGE FORMING APPARATUS TO WHICH DEVELOPER CASE IS APPLIED
    • 开发案例和图像形成装置应用于开发案例
    • US20120263496A1
    • 2012-10-18
    • US13445494
    • 2012-04-12
    • Takashi Morita
    • Takashi Morita
    • G03G15/06
    • G03G15/0893G03G15/0868G03G15/0875G03G2215/0668
    • A developer case that contains developer and supplies the developer to another device in a specified replenishing position includes a main body and a rotating unit. The main body includes a bottom wall, a top wall, and first and second side walls. The rotating unit includes a rotation shaft, a transportation member, and a drive input member. The first and second side walls respectively have first and second linear inner surfaces. When the developer case is in the replenishing position, when a line perpendicular to a horizontal line that passes through an axis of the rotation shaft is defined as a reference line, a first angle θ1 formed between the reference line and the first linear inner surface is less than a second angle θ2 formed between the reference line and the second linear inner surface.
    • 包含显影剂并将开发者提供给指定补充位置中的另一设备的显影盒包括主体和旋转单元。 主体包括底壁,顶壁以及第一和第二侧壁。 旋转单元包括旋转轴,输送构件和驱动输入构件。 第一和第二侧壁分别具有第一和第二线性内表面。 当显影剂盒处于补充位置时,当将与通过旋转轴的轴线的水平线垂直的线定义为参考线时,形成在基准线和第一线性内部之间的第一角度& 表面小于在参考线和第二线性内表面之间形成的第二角度; 2。
    • 10. 发明申请
    • MOBILE COMMUNICATION METHOD, MOBILE COMMUNICATION SYSTEM, DELIVERY SERVER, SUBSCRIBER INFORMATION MANAGEMENT SERVER, AND SESSION MANAGEMENT SERVER
    • 移动通信方法,移动通信系统,交付服务器,订户信息管理服务器和会话管理服务器
    • US20120051352A1
    • 2012-03-01
    • US13266480
    • 2010-04-12
    • Takashi MoritaItsuma Tanaka
    • Takashi MoritaItsuma Tanaka
    • H04W92/00H04L12/66
    • H04W68/12H04L65/1006H04L65/1043H04L65/1069H04W88/06
    • A radio base station includes a mobile communication method for delivering an incoming signal for voice communication to a mobile station on standby in any of a plurality of classifications of radio access networks. The method includes, when a session management server managing a mobile station and the classification of the radio access network detects a change to the classification of the radio access network of the standby target of the mobile station, a subscriber information management server managing the subscriber information of each mobile station is notified. The subscriber information management server notifies the delivery server of the classification of the radio access network of the standby target. The delivery server manages the classification of the radio access network of the standby target of the mobile station as notified by the subscriber information management server. The delivery server delivers the incoming signal for voice communication.
    • 无线基站包括移动通信方法,用于在无线电接入网络的多个分类中的任何一个中将用于语音通信的输入信号传送到待机的移动台。 该方法包括:当管理移动台的会话管理服务器和无线接入网络的分类检测到移动台的备用对象的无线接入网络的分类的变化时,管理用户信息的用户信息管理服务器 通知每个移动台。 订户信息管理服务器通知传送服务器备用目标的无线电接入网络的分类。 传送服务器管理由用户信息管理服务器通知的移动台的备用对象的无线接入网络的分类。 传送服务器传送用于语音通信的输入信号。