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1. 发明申请

US20080019249A1 APPARATUS FOR REPRODUCING DATA ON RECORDING MEDIUM AND METHOD FOR REPRODUCING DATA ON THE MEDIUM 审中-公开
标题翻译：用于在记录介质上再现数据的装置和用于在介质上再现数据的方法
公开(公告)号：US20080019249A1
公开(公告)日：2008-01-24
申请号：US11771906
申请日：2007-06-29
申请人： Yukiyasu Tatsuzawa , Hideyuki Yamakawa , Koichi Otake , Norikatsu Chiba , Yasuhiro Kanishima , Toshifumi Yamamoto , Toshihiko Kaneshige
发明人： Yukiyasu Tatsuzawa , Hideyuki Yamakawa , Koichi Otake , Norikatsu Chiba , Yasuhiro Kanishima , Toshifumi Yamamoto , Toshihiko Kaneshige
IPC分类号： G11B5/09
CPC分类号： G11B20/10009 , G11B20/10046 , G11B20/10055 , G11B20/10212 , G11B20/10296
摘要： An apparatus for reproducing digital data recorded on a recording medium by a Partial Response Maximum Likelihood method, the digital data being recorded in a code pattern in which the same code continuously appears at least two times, includes an analog-to-digital converting unit that samples an analog reproduction signal recorded on the recording medium and converts the sampled analog reproduction signal into a digital signal; a sampling rate switching unit that adaptively switches the sampling rate in the analog-to-digital converting unit from a higher rate to a lower rate; and a data demodulating unit that reproduces and demodulates the digital signal subjected to the analog-to-digital conversion in the analog-to-digital converting unit by the Partial Response Maximum Likelihood method in accordance with the switching between the higher rate and the lower rate.
摘要翻译：一种用于通过部分响应最大似然方法再现记录在记录介质上的数字数据的装置，所述数字数据以相同代码连续出现至少两次的代码模式被记录，包括模数转换单元，模数转换单元采样记录在记录介质上的模拟再现信号，并将采样的模拟再现信号转换为数字信号; 采样率切换单元，其自适应地将模数转换单元中的采样率从较高速率切换到较低速率; 以及数据解调单元，其通过部分响应最大似然方法根据较高速率和较低速率之间的切换再现和解调在模数转换单元中经受模数转换的数字信号。

2. 发明申请

US20090003169A1 OPTICAL DISC APPARATUS, OPTICAL DISC APPARATUS CONTROLLER AND DEFECT DETECTION METHOD 审中-公开
标题翻译：光盘设备，光盘设备控制器和缺陷检测方法
公开(公告)号：US20090003169A1
公开(公告)日：2009-01-01
申请号：US12141710
申请日：2008-06-18
申请人： Norikatsu Chiba , Yukiyasu Tatsuzawa , Toshihiko Kaneshige
发明人： Norikatsu Chiba , Yukiyasu Tatsuzawa , Toshihiko Kaneshige
IPC分类号： G11B5/58
CPC分类号： G11B20/10009 , G11B20/10046 , G11B20/10296 , G11B2220/2537
摘要： According to one embodiment, An optical disc apparatus includes a decoder including branchmetric calculation section configured to calculate a branchmetric for the signal generated by executing a predetermined process on read signal obtained from a optical disc, pathmetric selection section configured to select a maximum likelihood pathmetric according to the branchmetric calculated by the branchmetric calculation section and a path memory having memory stages, each consisting of memory elements, configured to obtain a decoded signal by shifting the information to be stored in the memory to a memory of a subsequent stage according to the outcome of selection of the pathmetric selection section, and defect detection section configured to detect a defect of the optical disc according to the information possessed by the memory of the last stage or of a specific stage of the path memory.
摘要翻译：根据一个实施例，一种光盘装置包括：解码器，包括支路测量计算部分，被配置为计算对从光盘获得的读取信号执行预定处理产生的信号的分支测量，路径测量选择部分，被配置为根据涉及由分支计算部分计算的分支和具有存储器级的路径存储器，每个存储器级由存储器元件组成，其被配置为通过根据结果将要存储在存储器中的信息移动到后续级的存储器来获得解码信号选择路径选择部的缺陷检测部，以及根据最后阶段的存储器或路径存储器的特定级所具有的信息来检测光盘的缺陷的缺陷检测部。

3. 发明授权

US08050421B2 Acoustic correction apparatus and acoustic correction method 有权
标题翻译：声校正装置和声校正方法
公开(公告)号：US08050421B2
公开(公告)日：2011-11-01
申请号：US12775973
申请日：2010-05-07
申请人： Takashi Fukuda , Toshifumi Yamamoto , Norikatsu Chiba , Yasuhiro Kanishima , Kazuyuki Saito
发明人： Takashi Fukuda , Toshifumi Yamamoto , Norikatsu Chiba , Yasuhiro Kanishima , Kazuyuki Saito
IPC分类号： H04B15/00
CPC分类号： H04R1/1083 , H04R1/1075 , H04R3/04
摘要： According to one embodiment, an acoustic correction apparatus includes: a signal obtaining module configured to obtain an acoustic signal from a target space including an object and an external space; a signal output module configured to output to the target space a measurement signal; a coefficient identifying module configured to identify, on the basis of a response acoustic signal, a correction coefficient of a correction filter that reduces a resonance frequency component of a resonance in the object; a filtering module configured to use the correction filter, and filter the signal provided to the object; a noise cancelling module configured to remove, on the basis of the acoustic signal, a noise component comprised in the acoustic signal from the filtered signal; and an output module configured to output the acoustic signal, from which the noise component is removed by the noise cancelling module, to the object.
摘要翻译：根据一个实施例，声学校正装置包括：信号获取模块，被配置为从包括对象和外部空间的目标空间获得声信号; 信号输出模块，被配置为向所述目标空间输出测量信号; 系数识别模块，被配置为基于响应声学信号识别减少所述对象中的共振的共振频率分量的校正滤波器的校正系数; 被配置为使用所述校正滤波器并对提供给所述对象的信号进行滤波的滤波模块; 噪声消除模块，被配置为基于所述声学信号从所述滤波信号中去除包括在所述声学信号中的噪声分量; 以及输出模块，被配置为将噪声分量被噪声消除模块从其去除的声信号输出到对象。

4. 发明申请

US20110206220A1 ACOUSTIC SIGNAL CORRECTOR AND ACOUSTIC SIGNAL CORRECTING METHOD 审中-公开
标题翻译：声学信号校正和声学信号校正方法
公开(公告)号：US20110206220A1
公开(公告)日：2011-08-25
申请号：US12949437
申请日：2010-11-18
申请人： Norikatsu Chiba , Kimio Miseki
发明人： Norikatsu Chiba , Kimio Miseki
IPC分类号： H03G3/00
CPC分类号： H04R1/1091 , G10L21/02 , G10L21/0232 , H03G5/005 , H03G9/005 , H04R1/1016 , H04R25/353 , H04R25/356 , H04R2460/15
摘要： According to one embodiment, an acoustic signal corrector includes: an output module; a selection receiver; and a holder. The output module is configured to output a plurality of acoustic signals. Amplitude values of frequencies within a frequency band of each of the acoustic signals are emphasized as emphasized amplitude values. A plurality of amplitude values among the emphasized amplitude values are corrected as corrected amplitude values at some of frequencies within the frequency band. Resonance is possibly induced in the frequency band by sealing an ear canal. The selection receiver is configured to receive a selection of one of the acoustic signals output by the output module. The holder is configured to hold, as a configuration for sound quality correction, a configuration corresponding to the correction of the one of the acoustic signals at the some of the frequencies.
摘要翻译：根据一个实施例，声信号校正器包括：输出模块; 选择接收机; 和持有人。输出模块被配置为输出多个声信号。每个声信号的频带内的频率的振幅值被强调为强调的振幅值。强调幅度值中的多个振幅值被校正为在频带内的一些频率处的校正振幅值。通过密封耳道可能在频带中引起共振。选择接收器被配置为接收由输出模块输出的声信号之一的选择。保持器被配置为作为用于声音质量校正的配置来保持与在一些频率处的声信号之一的校正相对应的配置。

5. 发明授权

US07957549B2 Acoustic apparatus and method of controlling an acoustic apparatus 有权
标题翻译：声学装置及声学装置的控制方法
公开(公告)号：US07957549B2
公开(公告)日：2011-06-07
申请号：US12634424
申请日：2009-12-09
申请人： Norikatsu Chiba , Toshifumi Yamamoto , Takashi Fukuda , Yasuhiro Kanishima , Shigeyasu Iwata , Kazuyuki Saito , Yutaka Oki
发明人： Norikatsu Chiba , Toshifumi Yamamoto , Takashi Fukuda , Yasuhiro Kanishima , Shigeyasu Iwata , Kazuyuki Saito , Yutaka Oki
IPC分类号： H04R25/00 , H02B1/00
CPC分类号： H04R1/1041 , H03F2200/03 , H04R1/1016 , H04R5/027 , H04R5/033
摘要： According to one embodiment, an acoustic apparatus comprises an electro-acoustic transducer with a first function of converting an electric signal to an acoustic signal and a second function of converting an acoustic signal to an electric signal, the electro-acoustic transducer configured to convert a measuring electric signal to a measuring acoustic signal using the first function, and to convert an acoustic response signal responding to the measuring acoustic signal from an object to an electric response signal using the second function, a switch configured to switch the first function to the second function, or vice versa, and a switch controller configured to control a function switching of the switch in accordance with a sound source signal.
摘要翻译：根据一个实施例，声学设备包括具有将电信号转换为声信号的第一功能的电声换能器和将声信号转换为电信号的第二功能，所述电声换能器被配置为将使用第一功能将电信号测量到测量声信号，并且使用第二功能将响应于来自对象的测量声信号的声响应信号转换为电响应信号;开关，被配置为将第一功能切换到第二功能功能，反之亦然;以及开关控制器，被配置为根据声源信号控制开关的功能切换。

6. 发明授权

US08577051B2 Sound signal compensation apparatus and method thereof 有权
标题翻译：声音信号补偿装置及其方法
公开(公告)号：US08577051B2
公开(公告)日：2013-11-05
申请号：US13093601
申请日：2011-04-25
申请人： Kimio Miseki , Norikatsu Chiba , Yasuhiro Kanishima
发明人： Kimio Miseki , Norikatsu Chiba , Yasuhiro Kanishima
IPC分类号： A61F11/06 , G10K11/16 , H03B29/00
CPC分类号： H04R3/04
摘要： According to one embodiment, a sound signal compensation apparatus includes an input module, a compensation module, and an output module. The input module receives identification information identifying a first frequency with regard to a resonance of an ear closed by an earphone or headphone. The compensation module performs first compensation emphasizing a second frequency on a sound signal, the second frequency being determined based on the identification information or the first frequency. The output module outputs the compensated sound signal. The compensation module is configured to perform the first compensation emphasizing the second frequency, at which emphasis is greater than or equal to 2 dB and less than or equal to 12 dB.
摘要翻译：根据一个实施例，声音信号补偿装置包括输入模块，补偿模块和输出模块。输入模块接收关于由耳机或耳机关闭的耳朵的共振识别第一频率的识别信息。补偿模块执行强调声音信号的第二频率的第一补偿，第二频率是基于识别信息或第一频率确定的。输出模块输出补偿后的声音信号。补偿模块被配置为执行强调第二频率的第一补偿，其中强调大于或等于2dB且小于或等于12dB。

7. 发明申请

US20110158427A1 AUDIO SIGNAL COMPENSATION DEVICE AND AUDIO SIGNAL COMPENSATION METHOD 有权
标题翻译：音频信号补偿装置和音频信号补偿方法
公开(公告)号：US20110158427A1
公开(公告)日：2011-06-30
申请号：US12963475
申请日：2010-12-08
申请人： Norikatsu Chiba , Kimio Miseki , Yasuhiro Kanishima , Kazuyuki Saito , Toshifumi Yamamoto , Takashi Fukuda
发明人： Norikatsu Chiba , Kimio Miseki , Yasuhiro Kanishima , Kazuyuki Saito , Toshifumi Yamamoto , Takashi Fukuda
IPC分类号： H04B15/00
CPC分类号： H04R3/04
摘要： An audio signal compensation device includes: a signal processor configured to perform filtering on an input audio signal; a filter coefficients storage module configured to store a plurality of filter coefficients; a user interface configured to provide options for a determination of filter coefficients to a user and to obtain a selection result from the user; and a filter coefficients determining module configured to determine a set of filter coefficients among the plurality of filter coefficients based on the selection result. The options for the determination of filter coefficients are produced by selecting a first filter coefficient and a second filter coefficient from the plurality of filter coefficients, the first filter coefficient corresponding to a first characteristic quantity of external auditory canal characteristics, the second filter coefficient corresponding to a second characteristic quantity of the external auditory canal characteristics which is predicted based on the first characteristic quantity.
摘要翻译：音频信号补偿装置包括：信号处理器，被配置为对输入音频信号执行滤波; 滤波器系数存储模块，被配置为存储多个滤波器系数; 用户界面，被配置为提供用于确定用户的滤波器系数的选项并从用户获得选择结果; 以及滤波器系数确定模块，被配置为基于所述选择结果确定所述多个滤波器系数中的一组滤波器系数。用于确定滤波器系数的选项通过从多个滤波器系数中选择第一滤波器系数和第二滤波器系数来产生，第一滤波系数对应于外耳道特征的第一特征量，第二滤波系数对应于基于第一特征量预测的外耳道特征的第二特征量。

8. 发明申请

US20100166218A1 Sound Processor, Sound Reproducer, and Sound Processing Method 有权
标题翻译：声音处理器，声音再现器和声音处理方法
公开(公告)号：US20100166218A1
公开(公告)日：2010-07-01
申请号：US12543265
申请日：2009-08-18
申请人： Kazuyuki Saito , Toshifumi Yamamoto , Norikatsu Chiba , Shigeyasu Iwata , Yasuhiro Kanishima , Takashi Fukuda , Yutaka Oki
发明人： Kazuyuki Saito , Toshifumi Yamamoto , Norikatsu Chiba , Shigeyasu Iwata , Yasuhiro Kanishima , Takashi Fukuda , Yutaka Oki
IPC分类号： H03G5/00
CPC分类号： H03G3/3094 , H03G5/165
摘要： According to one embodiment, a sound processor includes a creating module, a filter, and a combining module. The creating module creates a plurality of first acoustic models based on a frequency characteristic that represents an acoustic property of an object to be measured. The first acoustic models are modeled with respect to resonance properties that vary depending on frequency bands. The filter extracts frequency components in the frequency bands from the respective first acoustic models. The combining module combines the frequency components extracted from the first acoustic models to create a second acoustic model.
摘要翻译：根据一个实施例，声音处理器包括创建模块，滤波器和组合模块。创建模块基于表示待测对象的声学属性的频率特性来创建多个第一声学模型。关于根据频带变化的谐振特性来建模第一声学模型。滤波器从相应的第一声学模型中提取频带中的频率分量。组合模块组合从第一声学模型提取的频率分量以产生第二声学模型。

9. 发明申请

US20090319876A1 MAXIMUM LIKELIHOOD DECODER AND DECODING METHOD THEREFOR 有权
标题翻译：最大LIKELIHOOD解码器及其解码方法
公开(公告)号：US20090319876A1
公开(公告)日：2009-12-24
申请号：US12478272
申请日：2009-06-04
申请人： Norikatsu Chiba
发明人： Norikatsu Chiba
IPC分类号： H03M13/39 , G06F11/08 , H03M13/41
CPC分类号： H03M13/41 , H03M13/395
摘要： According to one embodiment, a maximum likelihood decoder includes a branch metric calculator, a processor configured to perform addition, comparison, and selection of an output from the branch metric calculator and a path metric memory, and outputs a selection signal for identifying a selection result, a path memory configured to store a time variation of the selection signal, and a path detection module configured to detect a decoding signal based on the time variation of the stored selection signal. A decoding method includes selecting operation modes of at least one of the branch metric calculator, the processor, and the path memory between a first operation mode in which an operation is performed at a channel rate frequency and a second operation mode in which an operation is performed at a specific frequency lower than the channel rate frequency.
摘要翻译：根据一个实施例，最大似然解码器包括分支度量计算器，被配置为执行来自分支度量计算器和路径度量存储器的输出的相加，比较和选择的处理器，并且输出用于识别选择结果的选择信号路径存储器，被配置为存储选择信号的时间变化;以及路径检测模块，被配置为基于所存储的选择信号的时间变化来检测解码信号。一种解码方法，包括在其中以信道速率频率执行操作的第一操作模式和操作是第二操作模式之间选择分支度量计算器，处理器和路径存储器中的至少一个的操作模式，以比信道速率频率低的特定频率执行。

10. 发明授权

US08238568B2 Acoustic signal compensator and acoustic signal compensation method 有权
标题翻译：声信号补偿器和声信号补偿方法
公开(公告)号：US08238568B2
公开(公告)日：2012-08-07
申请号：US12888321
申请日：2010-09-22
申请人： Kimio Miseki , Norikatsu Chiba , Yasuhiro Kanishima
发明人： Kimio Miseki , Norikatsu Chiba , Yasuhiro Kanishima
IPC分类号： H03B29/00 , A61F11/06 , G10K11/16
CPC分类号： H04R3/04
摘要： According to one embodiment, an acoustic signal compensator includes an acoustic signal receiving module, a compensator, and an output module. The acoustic signal receiving module receives an acoustic signal. The compensator performs compensation on the acoustic signal, as compensation of acoustic characteristics of an ear including an ear canal having a first-order resonance characteristic and a second-order resonance characteristic, to suppress a first-order frequency of ear resonance and a second-order frequency lower than double of the first-order frequency. The output module outputs the acoustic signal compensated by the compensator.
摘要翻译：根据一个实施例，声信号补偿器包括声信号接收模块，补偿器和输出模块。声信号接收模块接收声信号。补偿器对声信号执行补偿，作为包括具有一阶谐振特性和二次谐振特性的耳道的耳朵的声学特性的补偿，以抑制耳谐振的一阶频率，订单频率低于一阶频率的两倍。输出模块输出由补偿器补偿的声信号。

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