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    • 1. 发明授权
    • Method and apparatus for extracting speech spurts from voice and
reproducing voice from extracted speech spurts
    • 从提取的语音喷嘴中提取话音和再现语音的方法和装置
    • US6078882A
    • 2000-06-20
    • US93926
    • 1998-06-09
    • Nobuki SatoTakamasa TomonoMakoto AokiJina Baek
    • Nobuki SatoTakamasa TomonoMakoto AokiJina Baek
    • G10L11/06G10L11/02G10L19/00G10L15/20
    • G10L19/012
    • Identification information of a speech spurt, hangover and pause is used to indicate that a digital voice signal is the speech spurt, hangover or pause. While the identification information of a speech spurt, hangover and pause is indicative of the speech spurt, a voice level adjuster does not attenuate the digital voice signal, and the voice signal/third signal combiner mixes it with a third signal which undergoes the maximum attenuation through a third signal level adjuster. While the identification information of a speech spurt, hangover and pause is indicative of the hangover, the voice level adjuster gradually attenuates the digital voice signal. This is because the level of the voice signal is expected to be high in the first half of the hangover period, but to decay in its latter half to such a level that it is dispensable for speech recognition. A third signal (noise), on the other hand, is gradually increased in the latter half of the hangover period to preserve the continuity in the transition from the speech spurt to a pause, thus achieving smooth transition to the pause. This makes it possible to reduce as much as possible the unnaturalness involved in switching between speech spurts and pauses, thereby improving the quality of the reproduced voice.
    • 语音突发,宿醉和暂停的识别信息用于指示数字语音信号是语音突发,宿醉或暂停。 虽然语音突发,宿醉和暂停的识别信息指示语音突发,语音电平调节器不会衰减数字语音信号,并且语音信号/第三信号组合器与经历最大衰减的第三信号混合 通过第三个信号电平调节器。 虽然语音突发,宿醉和暂停的识别信息表示宿醉,语音电平调节器逐渐衰减数字语音信号。 这是因为语音信号的水平在宿醉期的上半期预计会很高,但在下半年衰减到这样的水平,这对于语音识别是不必要的。 另一方面,第三个信号(噪声)在宿醉期的后半段逐渐增加,以保持从语音突发转变为暂停的连续性,从而实现平稳过渡到暂停。 这使得可以尽可能地减少在语音喷射和暂停之间切换所涉及的不自然,从而提高再现语音的质量。
    • 2. 发明授权
    • Speech spurt detecting apparatus and method with threshold adapted by
noise and speech statistics
    • 语音突发检测装置和方法,具有噪声和语音统计的阈值
    • US6044342A
    • 2000-03-28
    • US978481
    • 1997-11-25
    • Nobuki SatoHiroshi KameiTakamasa TomonoMakoto AokiJina Baek
    • Nobuki SatoHiroshi KameiTakamasa TomonoMakoto AokiJina Baek
    • G10L11/02G10L15/04G10L19/00G10L5/06
    • G10L25/78
    • A speech spurt detecting apparatus for detecting speech spurts in a voice signal has a storage for storing an input voice signal. A decision portion determines speech spurt sections and mute sections using a threshold value and sets one of the mute sections at a latter part of a hangover time. A mute level statistical processor estimates the noise distribution of a signal in the mute sections. A speech spurt detecting threshold value decision portion receives the average and the variance of the noise distribution from the mute level statistical processor and approximates the noise distribution to a gamma distribution to decide a speech spurt detecting threshold. A speech spurt transmitting portion outputs the voice signal in the speech spurt sections from the storage. A speech spurt level statistical processor carries out statistical processing of the speech spurt sections. The speech spurt detecting threshold value decision portion detects an error of the speech spurt detecting threshold value using the speech spurt level statistical processor and the mute level statistical processor and resets the speech spurt detecting threshold value to its initial value if the error exceeds a predetermined value. The speech spurt detecting threshold value decision portion increases the speech spurt detecting threshold value at a fixed rate in each of the speech spurt sections, and computes (the average).sup.2 /(the variance) to obtain an adjusting coefficient and computes (the adjusting coefficient).times.(the average) to obtain the speech spurt detecting threshold value.
    • 用于检测语音信号中的语音喷发的语音突发检测装置具有用于存储输入语音信号的存储器。 决定部分使用阈值确定语音突发部分和静音部分,并且在宿醉时间的后半部分设置静音部分中的一个。 静音级统计处理器估计静音部分中的信号的噪声分布。 语音突发检测阈值判定部分从静音级统计处理器接收噪声分布的平均值和方差,并将噪声分布近似为伽马分布,以决定语音突发检测阈值。 话音突发发送部分从存储器输出语音突发部分中的语音信号。 语音突发等级统计处理器执行语音突发部分的统计处理。 语音突发检测阈值判定部使用语音突发级统计处理器和静音级统计处理器来检测语音突发检测阈值的误差,并且如果误差超过预定值则将语音突发检测阈值重置为其初始值 。 语音突发检测阈值判定部分在每个语音突发部分中以固定速率增加语音突起检测阈值,并且计算(平均)2 /(方差)以获得调整系数并计算(调整系数 )x(平均),以获得语音突发检测阈值。
    • 3. 发明授权
    • Voice packet multiplexer with voice transit switching function
    • 具有语音转接功能的语音包复用器
    • US06169750A
    • 2001-01-02
    • US09093650
    • 1998-06-09
    • Takamasa TomonoNobuki SatoShuhei KokubunMakoto AokiJunichi Kii
    • Takamasa TomonoNobuki SatoShuhei KokubunMakoto AokiJunichi Kii
    • H04J324
    • H04L12/6418H04L2012/6427H04L2012/6459H04L2012/6481H04M3/42059H04M3/42102H04M7/009H04M2242/22
    • A voice packet multiplexer with a voice transit switching function, which is connected to a PBX in an office. It detects an originating logical channel according to digits sent from the PBX, and sets, when transmitting a signal packet or voice packet, the detected originating logical channel in its address field. It also stores an originating logical channel while receiving a packet from a packet communication network. It further extracts an office number from a received packet containing the digit information, makes a decision whether the office number is the number of its own office or of another office, and retrieves, if it is of the another office, a terminating logical channel for establishing connection with that office. To carry out the voice transit switching after determining the terminating logical channel, it transmits a packet after translating its address field into the terminating logical channel or into the originating logical channel.
    • 具有语音传输切换功能的语音分组多路复用器,其连接到办公室中的PBX。 它根据从PBX发送的数字检测发起的逻辑信道,并且在发送信号分组或语音分组时将检测到的始发逻辑信道设置在其地址字段中。 它还存储始发逻辑信道,同时从分组通信网络接收分组。 它还从包含数字信息的接收到的分组中提取办公室号码,决定办公室号码是否是其自己的办公室或另一个办公室的号码,并且如果是另一个办公室,则检索一个终止逻辑信道, 建立与该办公室的联系。 为了在确定终止逻辑信道之后执行语音转接交换,它将其地址字段转换成终止逻辑信道或发送到发送逻辑信道之后发送一个分组。
    • 5. 发明授权
    • Computer system and method for performing failure detecting processing for a logical path
    • 用于对逻辑路径执行故障检测处理的计算机系统和方法
    • US07992048B2
    • 2011-08-02
    • US12611272
    • 2009-11-03
    • Yuki KomatsuMakoto Aoki
    • Yuki KomatsuMakoto Aoki
    • G06F11/00G06F11/34
    • G06F11/201G06F3/0611G06F3/0635G06F3/067
    • Provided is a computer system including at least one host computer; and at least one storage system, characterized in that: the storage system has a disk drive and a disk controller, and provides a storage area of the disk drive as at least one logical unit; upon detecting a failure in a logical path serving as an access route from the host computer to the logical unit, the host computer specifies logical paths for accessing the same logical unit that is connected to the logical path where the failure is detected; the host computer executes failure detecting processing for the specified logical paths to judge whether the specified logical paths are normal or not; the host computer selects normal logical paths out of the specified logical paths; and the host computer accesses the logical unit via the normal logical paths selected.
    • 提供了一种包括至少一台主机的计算机系统; 以及至少一个存储系统,其特征在于:所述存储系统具有磁盘驱动器和磁盘控制器,并且提供所述磁盘驱动器的存储区域作为至少一个逻辑单元; 在检测到从主计算机到逻辑单元的访问路由的逻辑路径中的故障时,主计算机指定用于访问连接到检测到故障的逻辑路径的相同逻辑单元的逻辑路径; 主计算机对指定的逻辑路径执行故障检测处理,以判断指定的逻辑路径是否正常; 主机从指定的逻辑路径中选择正常的逻辑路径; 并且主机通过所选择的正常逻辑路径访问逻辑单元。
    • 8. 发明授权
    • Ram position detection method, ram drive method, ram drive device, and press machine having the ram drive device
    • 拉头位置检测方法,柱塞驱动方式,柱塞驱动装置,以及具有压头驱动装置的压力机
    • US07913616B2
    • 2011-03-29
    • US11915798
    • 2006-06-01
    • Makoto AokiHiroyuki MizushimaNobuaki ArijiShigeki Noguchi
    • Makoto AokiHiroyuki MizushimaNobuaki ArijiShigeki Noguchi
    • B30B13/00B30B1/32
    • B30B1/32F15B7/00
    • A ram driving method including the steps of fixing one end of a large-diameter piston rod integral with a large-diameter piston reciprocably included in a large-diameter cylinder attached integrally to a ram to a fixing unit, connecting one end of a small-diameter piston rod integral with a small-diameter piston reciprocably included in a small-diameter cylinder integral with the large-diameter cylinder to a moving member moved by a motor driving, integrally moving the small-diameter cylinder and the small-diameter piston and communicating a first compartment and a second compartment of the large-diameter cylinder divided by the large-diameter piston with each other, moving the ram integrally with the small-diameter piston rod moved by the moving member, and communicating the small-diameter cylinder with the large-diameter cylinder, thereby moving the large-diameter cylinder with a strong force by a working fluid supplied from the small-diameter cylinder.
    • 一种冲头驱动方法,包括将大直径活塞杆的一端固定在大直径活塞上的步骤,所述大直径活塞杆可往复运动地包括在一体地连接到冲头的大直径圆筒中, 该直径活塞杆与小直径活塞一体地包括在与大直径圆筒形成一体的小直径圆筒中,并通过马达驱动而移动的移动构件,使小直径圆筒和小直径活塞整体移动,并且连通 大直径圆筒的第一隔室和第二隔室由大直径活塞分开,使活塞与由移动构件移动的小直径活塞杆一体地移动,并将小直径缸与 大直径圆筒,从而通过从小直径圆柱体供给的工作流体以大的力移动大直径圆筒。