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1. 发明授权

US4702771A Wear-resistant, sintered iron alloy and process for producing the same 失效
标题翻译：耐磨烧结铁合金及其制造方法
公开(公告)号：US4702771A
公开(公告)日：1987-10-27
申请号：US848062
申请日：1986-04-04
申请人： Yoshiaki Takagi , Yoshihiro Katsui , Hiroyuki Endo , Yutaka Ikenoue
发明人： Yoshiaki Takagi , Yoshihiro Katsui , Hiroyuki Endo , Yutaka Ikenoue
IPC分类号： C22C33/02 , C22C38/00 , C22C38/22 , F01L3/08 , C22C29/02 , C22C29/06
CPC分类号： C22C33/0264 , C22C33/0207 , C22C33/0257 , F01L3/08
摘要： Wear-resistant, sintered iron alloys are provided. The alloys have a structure in which iron-based hard particles having a relatively high Cr content and copper or copper alloy particles are dispersed in an iron alloy matrix containing a relatively low content of Cr. The alloys are prepared by compression molding powders of the matrix alloy, the hard alloy, copper or copper alloy, an Fe-P alloy and graphite and sintering the obtained molding at a temperature of 980.degree. to 1130.degree. C.
摘要翻译：提供耐磨，烧结的铁合金。合金具有这样的结构，其中具有较高Cr含量的铁基硬质颗粒和铜或铜合金颗粒分散在含有相对低含量Cr的铁合金基质中。通过将基体合金，硬质合金，铜或铜合金粉末，Fe-P合金和石墨进行压缩成型，在980℃〜1130℃的温度下烧成所得成型体，

2. 发明授权

US09313584B2 Hearing assistance suitability determining device and hearing assistance suitability determining method 有权
标题翻译：听力辅助适应性确定装置和听力辅助适应性确定方法
公开(公告)号：US09313584B2
公开(公告)日：2016-04-12
申请号：US13819732
申请日：2012-07-03
申请人： Yoshiaki Takagi , Takashi Katayama , Hikaru Takato
发明人： Yoshiaki Takagi , Takashi Katayama , Hikaru Takato
IPC分类号： H04R25/00
CPC分类号： H04R25/50 , H04R25/552 , H04R25/70 , H04R2225/43
摘要： A hearing assistance suitability determining device, that determines suitability including whether a subject can clearly hear speech using dichotic hearing assistance, includes: a subject hearing ability information input unit; a hearing ability type determining unit that determines at least one hearing ability type that corresponds to the hearing ability information, based on hearing ability information frequency characteristics; a suitability determining unit that determines suitability for dichotic hearing assistance based on the at least one hearing ability type determined by the hearing ability type determining unit; and suitability presenting unit that presents the suitability determined by the suitability determining unit. The suitability determining unit determines, by referring to a correspondence relationship, suitability based on clarity improvement amount for speech sound corresponding to the determined hearing ability type, the correspondence relationship indicating, for each hearing ability type, degree of perceived speech clarity improvement by the dichotic hearing assistance.
摘要翻译：一种听力辅助适应性确定装置，其确定适合性，包括对象是否可以使用双耳听觉辅助来清楚地听到语音，包括：主体听力能力信息输入单元; 听觉能力类型确定单元，其基于听力信息频率特性确定与听力能力信息相对应的至少一种听力类型; 基于由所述听力能力类型确定单元确定的所述至少一种听力能力类型来确定双眼助听器的适合性的适合性确定单元; 和适合性呈现单元，其表示由适用性确定单元确定的适合性。适应性确定单元通过参考对应关系确定基于与所确定的听力类型相对应的语音的清晰度改善量的适应性，对于每种听力能力类型的对应关系，通过双眼解析度的感知语音清晰度改善程度助听器

3. 发明申请

US20130156240A1 HEARING ASSISTANCE SUITABILITY DETERMINING DEVICE AND HEARING ASSISTANCE SUITABILITY DETERMINING METHOD 有权
标题翻译：听力辅助测试设备和听力辅助测试方法
公开(公告)号：US20130156240A1
公开(公告)日：2013-06-20
申请号：US13819732
申请日：2012-07-03
申请人： Yoshiaki Takagi , Takashi Katayama , Hikaru Takato
发明人： Yoshiaki Takagi , Takashi Katayama , Hikaru Takato
IPC分类号： H04R25/00
CPC分类号： H04R25/50 , H04R25/552 , H04R25/70 , H04R2225/43
摘要： A hearing assistance suitability determining device, that determines suitability including whether a subject can clearly hear speech using dichotic hearing assistance, includes: a subject hearing ability information input unit; a hearing ability type determining unit that determines at least one hearing ability type that corresponds to the hearing ability information, based on hearing ability information frequency characteristics; a suitability determining unit that determines suitability for dichotic hearing assistance based on the at least one hearing ability type determined by the hearing ability type determining unit; and suitability presenting unit that presents the suitability determined by the suitability determining unit. The suitability determining unit determines, by referring to a correspondence relationship, suitability based on clarity improvement for speech sound corresponding to the determined hearing ability type, the correspondence relationship indicating, for each hearing ability type, degree of perceived speech clarity improvement by the dichotic hearing assistance.
摘要翻译：一种听力辅助适应性确定装置，其确定适合性，包括对象是否可以使用双耳听觉辅助来清楚地听到语音，包括：主体听力能力信息输入单元; 听觉能力类型确定单元，其基于听力信息频率特性确定与听力能力信息相对应的至少一种听力类型; 基于由所述听力能力类型确定单元确定的所述至少一种听力能力类型来确定双眼助听器的适合性的适合性确定单元; 和适合性呈现单元，其表示由适用性确定单元确定的适合性。适应性确定单元通过参考对应关系确定基于对应于所确定的听力类型的语音的清晰度改进的适应性，对于每种听力类型的对应关系，通过双耳听觉的感知语音清晰度改善程度帮助。

4. 发明授权

US08428953B2 Audio decoding device, audio decoding method, program, and integrated circuit 有权
标题翻译：音频解码装置，音频解码方法，程序和集成电路
公开(公告)号：US08428953B2
公开(公告)日：2013-04-23
申请号：US12521916
申请日：2008-05-20
申请人： Kojiro Ono , Takeshi Norimatsu , Yoshiaki Takagi , Takashi Katayama
发明人： Kojiro Ono , Takeshi Norimatsu , Yoshiaki Takagi , Takashi Katayama
IPC分类号： G10L13/06 , G10L21/02 , G10L21/00 , G10L11/00 , G10L11/04 , G10L11/06
CPC分类号： G10L19/005
摘要： An audio decoding device of the present invention includes: a decoding unit decoding a stream to a spectrum coefficient, and outputting stream information when a frame included in the stream cannot be decoded; an orthogonal transformation unit transforming the spectrum coefficient to a time signal; a correction unit generating a correction time signal based on an output waveform within a reference section that is in a section that overlaps between an error frame section to which the stream information is outputted and an adjacent frame section and that is a section in the middle of the adjacent frame section, when the decoding unit outputs the stream information: and an output unit generating the output waveform by synthesizing the correction time signal and the time signal.
摘要翻译：本发明的音频解码装置包括：解码单元将流解码为频谱系数，并且当流中包括的帧不能被解码时，输出流信息; 正交变换单元，将频谱系数变换为时间信号; 校正单元，基于在与输出流信息的错误帧部分和相邻帧部分重叠的部分中的基准部分内的输出波形，生成校正时间信号，相邻帧部分，当解码单元输出流信息时;以及输出单元，通过合成校正时间信号和时间信号来产生输出波形。

5. 发明授权

US08363868B2 Hearing aid, hearing-aid apparatus, hearing-aid method and integrated circuit thereof 有权
标题翻译：助听器，助听器，助听器方法及其集成电路
公开(公告)号：US08363868B2
公开(公告)日：2013-01-29
申请号：US12663761
申请日：2009-04-07
申请人： Kazue Fusakawa , Megumi Yokokura , Yoshiaki Takagi
发明人： Kazue Fusakawa , Megumi Yokokura , Yoshiaki Takagi
IPC分类号： H04R25/00
CPC分类号： H04R25/558 , H04R25/554
摘要： A hearing aid (100) fits in an ear of a user and amplifies a sound and outputs the amplified sound. Specifically, the hearing aid includes: a microphone (110) as a pick-up unit which picks up the sound; a wireless communicating unit (130) which receives, from an external apparatus connected via wireless, an instruction for outputting a searching sound, the instruction for outputting a searching sound which is used for outputting a searching sound; an amplifier (140) which amplifies the outputted sound; an earphone (150) as an outputting unit which outputs the sound amplified by the amplifier (140); and an operation switching unit (120) which switches between a hearing mode and a searched mode, the hearing mode causing the amplifier (140) to amplify a hearing sound which is a sound picked up by the microphone (110) with a use of a first amplification factor, and the searched mode causing the amplifier (140) to amplify the searching sound, in response to the reception of the instruction for outputting a searching sound, with a use of a second amplification factor greater than the first amplification factor.
摘要翻译：助听器（100）适合用户的耳朵并放大声音并输出放大的声音。具体地说，助听器包括：作为拾取单元拾取声音的麦克风（110）; 无线通信单元（130），其从经由无线连接的外部设备接收用于输出搜索声音的指令，输出用于输出搜索声音的搜索声音的指令; 放大器（140），其放大输出的声音; 耳机（150）作为输出单元，输出由放大器（140）放大的声音; 以及在听力模式和搜索模式之间切换的操作切换单元（120），所述听力模式使得放大器（140）放大作为由麦克风（110）拾取的声音的听力声音，使用第一放大因子，以及使用大于第一放大因子的第二放大系数，响应于接收到用于输出搜索声音的指令而使放大器（140）放大搜索声音的搜索模式。

6. 发明授权

US08073703B2 Acoustic signal processing apparatus and acoustic signal processing method 有权
标题翻译：声信号处理装置和声信号处理方法
公开(公告)号：US08073703B2
公开(公告)日：2011-12-06
申请号：US12066618
申请日：2006-10-03
申请人： Shuji Miyasaka , Yoshiaki Takagi , Takeshi Norimatsu , Akihisa Kawamura , Kojiro Ono , Kok Seng Chong
发明人： Shuji Miyasaka , Yoshiaki Takagi , Takeshi Norimatsu , Akihisa Kawamura , Kojiro Ono , Kok Seng Chong
IPC分类号： G10L19/00
CPC分类号： H04S3/02 , G10L19/008 , H04S2420/03
摘要： To provide an acoustic signal processing apparatus which can reduce the amount of calculation in matrix arithmetic. An acoustic signal processing apparatus converts down-mixed acoustic signals of NI channels to acoustic signals of NO channels, where NO>NI. The acoustic signal processing apparatus includes: a first matrix arithmetic unit for performing arithmetic on a matrix with K rows and NI columns, where NO>K≧NI, for the down-mixed acoustic signals of the NI channels, and outputting K signals obtained after the matrix arithmetic; K decorrelation units for generating signals incoherent, in terms of time characteristics, with the signals obtained after the matrix arithmetic, while maintaining frequency characteristics of the signals obtained after the matrix arithmetic; and a second matrix arithmetic unit for performing arithmetic on a matrix with NO rows and (NI+K) columns for the down-mixed acoustic signals of the NI channels and for the K incoherent signals, and outputting the acoustic signals of the NO channels.
摘要翻译：提供可以减少矩阵运算中的计算量的声信号处理装置。声信号处理装置将NI通道的混合声信号转换为NO信道的声信号，其中NO> NI。声信号处理装置包括：第一矩阵运算单元，用于对NI通道的下混合声信号执行具有K行和NI列的矩阵的运算，其中NO>K≥NI，并且输出在以后获得的K信号矩阵算术; K去相关单元，用于在时间特性方面产生与矩阵运算后获得的信号不相干的信号，同时保持矩阵运算后获得的信号的频率特性; 以及第二矩阵运算单元，用于对具有NO行和（NI + K）列的矩阵执行用于NI信道的下混合声信号和K个非相干信号的运算，并输出NO信道的声信号。

7. 发明申请

US20110142272A1 HEARING ASSISTANCE SUITABILITY DETERMINING DEVICE, HEARING ASSISTANCE ADJUSTMENT SYSTEM, AND HEARING ASSISTANCE SUITABILITY DETERMINING METHOD 有权
标题翻译：听力辅助测试装置，听力辅助调整系统和听力辅助适应性测定方法
公开(公告)号：US20110142272A1
公开(公告)日：2011-06-16
申请号：US13059288
申请日：2010-06-15
申请人： Yoshiaki Takagi , Gempo Ito , Eiji Noguchi , Takashi Katayama , Hikaru Takato
发明人： Yoshiaki Takagi , Gempo Ito , Eiji Noguchi , Takashi Katayama , Hikaru Takato
IPC分类号： H04R25/00
CPC分类号： A61B5/121 , H04R25/552 , H04R25/70 , H04R2225/43
摘要： A hearing assistance suitability determining device (120) according to the present invention is a hearing assistance suitability determining device (120) which determines a suitability (153) of a subject for dichotic hearing assistance, and includes: a hearing ability information obtaining unit (130) which obtains left-ear hearing ability information (150) and right-ear hearing ability information (151) each of which indicates a hearing ability for frequencies; a hearing ability type determining unit (131) which determines, among hearing ability types each of which is defined by a tendency in a change of the hearing ability with respect to the frequencies, a hearing ability type (152) of the hearing ability indicated by the left-ear hearing ability information (150) and the right-ear hearing ability information (151); and a suitability deciding unit (132) which determines, with reference to a suitability database (144), the suitability (153) of the subject for the dichotic hearing assistance based on a suitability corresponding, in the suitability database (144), to the hearing ability type (152) determined by the hearing ability type determining unit (131), the suitability database (144) showing a correspondence relationship between each of the hearing ability types and one of suitabilities of the subject for dichotic hearing assistance.
摘要翻译：根据本发明的听力辅助适应性确定装置（120）是确定用于双焦点助听器的对象的适合性（153）的听力辅助适应性确定装置（120），并且包括：听力能力信息获取单元（130）），其获得左耳听力能力信息（150）和右耳听力能量信息（151），每个听力能力信息指示频率的听觉能力; 听力能力类型确定单元，其在由听觉能力相对于频率的变化趋势定义的听觉能力类型中，确定听力能力类型（152），由左耳听力信息（150）和右耳听力信息（151）; 以及适合性决定单元（132），其根据适合性数据库（144），根据在适用性数据库（144）中对应的适用性，确定用于双眼听觉辅助对象的适合性（153）由听力能力类型确定单元（131）确定的听力能力类型（152），适合性数据库（144），其表示每种听觉能力类型与用于双焦点听觉辅助的对象的适合性之间的对应关系。

8. 发明申请

US20080052089A1 Acoustic Signal Encoding Device and Acoustic Signal Decoding Device 审中-公开
标题翻译：声信号编码装置和声信号解码装置
公开(公告)号：US20080052089A1
公开(公告)日：2008-02-28
申请号：US11570471
申请日：2005-06-13
申请人： Yoshiaki Takagi
发明人： Yoshiaki Takagi
IPC分类号： G10L21/04
CPC分类号： H04S3/02 , G10L19/008 , H04S2420/01 , H04S2420/03
摘要： Herein disclosed is an acoustic signal encoding device comprising: a coefficient table (17) having described therein coefficients representable in the form of a matrix with 2 rows by N columns simulating head-related transfer characteristics to be applied when a multi-channel signal is reproduced, a first signal outputting unit (12) for downmixing a N-channel frequency domain signal to have a 2-channel downmixed signal outputted therethrough in accordance with the coefficient table (17), and a second signal outputting unit (14) for generating subsidiary information to be used to reconstruct a multi-channel signal based on the 2-channel downmixed signal, thereby making it possible for the downmixed signal to be filtered in accordance with a desired transfer function, and thus enabling the acoustic signal decoding device to reproduce the original multi-channel spatial information simply by reproducing the first coded signal, and the original multi-channel signal by reproducing the first coded signal with the aid of the second coded signal.
摘要翻译：这里公开的是一种声信号编码装置，包括：系数表（17），其中描述了以矩阵形式表示的系数，其中2行×N列模拟当多信道信号被再现时要应用的头相关传输特性，第一信号输出单元（12），用于根据系数表（17）将N沟道频域信号降混以输出其中输出的2通道下混合信号;以及第二信号输出单元（14），用于产生子系统用于基于2声道下混合信号重建多声道信号的信息，从而可以根据期望的传递函数对下混合信号进行滤波，从而使声信号解码装置能够再现原始的多通道空间信息简单地通过再现第一编码信号和原始的多声道信号通过再现th e借助于第二编码信号的第一编码信号。

9. 发明申请

US20070271095A1 Audio Encoder 有权
标题翻译：音频编码器
公开(公告)号：US20070271095A1
公开(公告)日：2007-11-22
申请号：US11659949
申请日：2005-08-18
申请人： Shuji Miyasaka , Yoshiaki Takagi , Naoya Tanaka , Mineo Tsushima
发明人： Shuji Miyasaka , Yoshiaki Takagi , Naoya Tanaka , Mineo Tsushima
IPC分类号： G10L19/00 , G10L19/02 , H03M7/30
CPC分类号： G11B27/022 , G10L19/008 , G11B20/00007
摘要： An audio encoder, which is capable of encoding multiple-channel signals so that only a downmixed signal is decoded and of further generating specific auxiliary information necessary for dividing the downmixed signal, is provided. An audio encoder (10), which compresses and encodes audio signals of N-channels (N>1), includes a downmixed signal encoding unit (11) which encodes the downmixed signal obtained by downmixing the audio signals, and an auxiliary information generation unit (12a) which generates auxiliary information necessary for decoding the downmixed signal encoded by the downmixed signal encoding unit (11) into N-channel audio signals. The auxiliary information generation unit (12a) includes transformation units (121) and (122) which transform audio signals respectively into frequency domain signals, a detection unit (123) which detects phase difference information and gain ratio information each indicates a degree of difference between frequency domain signals, and a quantization unit (125) which quantizes, for each frequency band, the phase difference information and gain ratio information detected by the detection unit (123) using the quantization precision setting table (124). The quantization precision setting table (124) functions as a division unit which divides a frequency band of a frequency domain signal into plural sub-bands.
摘要翻译：一种音频编码器，其能够对多声道信号进行编码，使得只下降混合信号被解码，并且进一步产生分割下混合信号所需的特定辅助信息。对N声道（N> 1）的音频信号进行压缩编码的音频编码器（10）包括下混合信号编码单元（11），其对通过降低音频信号而获得的下混合信号进行编码，以及辅助信息生成单元（12a），其产生将由下混合信号编码单元（11）编码的下混合信号解码成N声道音频信号所需的辅助信息。辅助信息生成单元（12a）包括将音频信号分别变换为频域信号的变换单元（121）和（122），检测单元（123），其检测相位差信息，增益比信息各自表示差异度和量化单元（125），其对于每个频带，使用量化精度设定表（124）对由检测单元（123）检测的相位差信息和增益比信息进行量化。量化精度设定表（124）作为将频域信号的频带划分为多个子带的分割单位起作用。

10. 发明申请

US20070160236A1 Audio signal encoding device, audio signal decoding device, and method and program thereof 审中-公开
标题翻译：音频信号编码装置，音频信号解码装置及其方法和程序
公开(公告)号：US20070160236A1
公开(公告)日：2007-07-12
申请号：US10589818
申请日：2005-07-01
申请人： Kazuhiro Iida , Mineo Tsushima , Yoshiaki Takagi , Naoya Tanaka
发明人： Kazuhiro Iida , Mineo Tsushima , Yoshiaki Takagi , Naoya Tanaka
IPC分类号： H04B1/00 , H04B1/20
CPC分类号： H04S3/00
摘要： An audio signal encoding device includes a downmix signal encoding unit 203 and an auxiliary information generation unit 204. The downmix signal encoding unit 203 generates a downmix signal acquired by adding input signals each other using a predetermined method, encodes the downmix signal, and outputs downmix signal information 206. The auxiliary information generation unit 204 generates auxiliary information 205 using the downmix signal and the downmix signal information 206 generated by the downmix signal encoding unit 203. The auxiliary information generation unit 204 efficiently quantizes the auxiliary information 205 using human's characteristics of a perceptual direction of a sound source, a perceptual broadening, and a perceptual distance.
摘要翻译：音频信号编码装置包括下混信号编码单元203和辅助信息生成单元204。下混信号编码单元203通过使用预定方法相加输入信号而产生下混信号，对下混信号进行编码，并输出下混合信号信息206。辅助信息生成单元204使用由混合信号编码单元203生成的下混信号和下混信号信息206来生成辅助信息205。辅助信息生成单元204使用人的声源的感知方向，感知加宽度和感知距离的特性来有效地量化辅助信息205。

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