公开(公告)号：US08032645B2

公开(公告)日：2011-10-04

申请号：US10546524

申请日：2004-11-04

申请人： Kojiro Ono ,  Takashi Katayama ,  Yoshiaki Takagi ,  Yasuhito Watanabe

发明人： Kojiro Ono ,  Takashi Katayama ,  Yoshiaki Takagi ,  Yasuhito Watanabe

IPC分类号： G06F15/16

CPC分类号： H04N21/2368 ,  G10L19/24 ,  H04N21/2335

摘要： A coding apparatus generates coded data by coding inputted data in a predetermined unit basis, maps one or more units of the coded data onto a packet of fixed length and outputs the packet. The coding apparatus includes a storage unit that stores the coded data and outputs the data size of the stored coded data, and a packetization unit that maps the coded data stored in the storage unit onto the packet and outputs the header size assigned to the one or more units of the coded data and the payload size of the packet. The coding apparatus also includes a control unit that generates the control information based on the data size of the outputted coded data, the header size and the payload size and outputs the control information, and a coding unit that generates the coded data by calculating an outer candidate value that makes the data size of the coded data to be mapped onto the packet an integral multiple of the payload size of the packet based on the outputted control information and coding the predetermined units of inputted data up to the outer candidate value.

摘要翻译： 编码装置通过以预定单位对输入的数据进行编码来生成编码数据，将编码数据的一个或多个单位映射到固定长度的分组上，并输出该分组。 编码装置包括：存储单元，存储编码数据并输出存储的编码数据的数据大小;以及分组单元，将存储在存储单元中的编码数据映射到分组上，并输出分配给该一个或 编码数据的更多单位和分组的有效载荷大小。 编码装置还包括：控制单元，其基于输出的编码数据的数据大小，头部大小和有效负载大小生成控制信息，并输出控制信息;以及编码单元，其通过计算外部 候选值，使得将编码数据的数据大小根据输出的控制信息映射到分组的有效载荷大小的整数倍，并将输入数据的预定单位编码直到外部候选值。

公开(公告)号：US20060168305A1

公开(公告)日：2006-07-27

申请号：US10546524

申请日：2004-11-04

申请人： Kojiro Ono ,  Takashi Katayama ,  Yoshiaki Takagi ,  Yasuhito Watanabe

发明人： Kojiro Ono ,  Takashi Katayama ,  Yoshiaki Takagi ,  Yasuhito Watanabe

IPC分类号： G06F15/16

CPC分类号： H04N21/2368 ,  G10L19/24 ,  H04N21/2335

摘要： A coding apparatus 100 that generates coded data by coding inputted data in a predetermined unit basis, maps one or more units of the coded data onto a packet of fixed length and output the packet including: a storage unit 103 that stores the coded data and outputs the data size of the stored coded data; a packetization unit 104 that maps the coded data stored in the storage unit 103 onto the packet and outputs the header size assigned to the one or more units of the coded data and the payload size of the packet; a control unit 107 that generates the control information based on the data size of the outputted coded data, the header size and the payload size and outputs the control information; and a coding unit 102 that generates the coded data by calculating an outer candidate value that makes the data size of the coded data to be mapped onto the packet an integral multiple of the payload size of the packet based on the outputted control information and coding the predetermined units of inputted data up to the outer candidate value.

摘要翻译： 编码装置100，通过以预定单位为基础编码输入数据来生成编码数据，将编码数据的一个或多个单位映射到固定长度的分组上，并输出分组，包括：存储单元103，其存储编码数据和输出 存储的编码数据的数据大小; 分组单元104，将存储在存储单元103中的编码数据映射到分组上，并输出分配给编码数据的一个或多个单元的报头大小和分组的有效载荷大小; 控制单元107，其基于输出的编码数据的数据大小，报头大小和有效载荷大小生成控制信息，并输出控制信息; 以及编码单元102，通过基于输出的控制信息，计算使要被映射到分组的编码数据的数据大小成为分组的有效载荷大小的整数倍的外部候选值，并对 预定单位的输入数据直到外部候选值。

公开(公告)号：US20090326934A1

公开(公告)日：2009-12-31

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： G10L19/00 ,  G10L21/04 ,  G10L19/02

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。

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。

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。

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。

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。

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。

公开(公告)号：US4505988A

公开(公告)日：1985-03-19

申请号：US518262

申请日：1983-07-28

申请人： Shigeru Urano ,  Kiyoshi Yamamoto ,  Yoshiaki Takagi ,  Takeshi Sugawara

发明人： Shigeru Urano ,  Kiyoshi Yamamoto ,  Yoshiaki Takagi ,  Takeshi Sugawara

IPC分类号： F01L3/02 ,  C22C33/02 ,  C22C38/00 ,  C22C38/44 ,  B22F3/26 ,  B22F5/00

CPC分类号： C22C33/0207 ,  Y10T428/1216 ,  Y10T428/12174

摘要： A sintered alloy for a valve seat comprising, in weight percent, 0.5 to 1.7% C, 0.5 to 2.5% Ni, 3.0 to 8.0% Cr, 0.1 to 0.9% Mo, 1.0 to 3.8% W and 4.5 to 8.5% Co, the balance being substantially Fe provided by a base atomized powder; said alloy containing 8 to 14% by volume of 250 mesh or less C-Cr-W-Co-Fe and Fe-Mo hard grains and 6 to 13% by volume of cells, with the continuous cells being infiltrated by a copper alloy.

摘要翻译： 一种用于阀座的烧结合金，其包含重量百分比为0.5至1.7％的C，0.5至2.5％的Ni，3.0至8.0％的Cr，0.1至0.9％的Mo，1.0至3.8％的W和4.5至8.5％的Co， 余量基本上是由碱雾化粉末提供的Fe; 所述合金含有8至14体积％的250目或更少的C-Cr-W-Co-Fe和Fe-Mo硬质颗粒和6至13体积％的电池，其中连续电池被铜合金渗透。

公开(公告)号：US08184817B2

公开(公告)日：2012-05-22

申请号：US12064975

申请日：2006-07-07

申请人： Yoshiaki Takagi ,  Kok Seng Chong ,  Takeshi Norimatsu ,  Shuji Miyasaka ,  Akihisa Kawamura ,  Kojiro Ono

发明人： Yoshiaki Takagi ,  Kok Seng Chong ,  Takeshi Norimatsu ,  Shuji Miyasaka ,  Akihisa Kawamura ,  Kojiro Ono

IPC分类号： H03G3/00

CPC分类号： G10L19/008 ,  G10L2021/02082

摘要： Provided is a multi-channel acoustic signal processing device by which loads of arithmetic operations are reduced. The multi-channel acoustic signal processing device includes: a decorrelated signal generation unit, and a matrix operation unit and a third arithmetic unit. The decorrelated signal generation unit generates a decorrelated signal w′ indicating a sound which includes a sound indicated by an input signal x and reverberation, by performing reverberation processing on the input signal x. The matrix operation unit and the third arithmetic unit generate audio signals of m channels, by performing arithmetic operation on the input signal x and the decorrelated signal w′ generated by the decorrelated signal generation unit, using a matrix R3 which indicates distribution of a signal intensity level and distribution of reverberation.

摘要翻译： 提供了一种减少算术运算负载的多声道声信号处理装置。 多声道声信号处理装置包括：去相关信号生成单元，矩阵运算单元和第三运算单元。 去相关信号生成单元通过对输入信号x进行混响处理，生成表示包含由输入信号x表示的声音和混响的声音的解相关信号w'。 矩阵运算单元和第三运算单元通过使用表示信号强度分布的矩阵R3对输入信号x和解相关信号生成单元生成的去相关信号w'进行算术运算，生成m声道的音频信号 水平和分布的混响。