公开(公告)号：US06295319B1

公开(公告)日：2001-09-25

申请号：US09280612

申请日：1999-03-29

申请人： Masahiro Sueyoshi ,  Masaharu Matsumoto ,  Shuji Miyasaka ,  Takeshi Fujita ,  Takashi Katayama ,  Kazutaka Abe ,  Kosuke Nishio ,  Akihisa Kawamura ,  Tsukuru Ishito ,  Tsuyoshi Nakamura ,  Eiji Otomura

发明人： Masahiro Sueyoshi ,  Masaharu Matsumoto ,  Shuji Miyasaka ,  Takeshi Fujita ,  Takashi Katayama ,  Kazutaka Abe ,  Kosuke Nishio ,  Akihisa Kawamura ,  Tsukuru Ishito ,  Tsuyoshi Nakamura ,  Eiji Otomura

IPC分类号： H04B166

CPC分类号： H04N21/4341 ,  H04N21/8106

摘要： A decoding device for decoding a bit stream defined by MPEG2 Audio Multichannel is provided. The bit stream including an MPEG1 compatible area and an MPEG2 multichannel extended area, the MPEG1 compatible area including MPEG1 side information. The decoding device includes: MPEG1 decoding means for decoding the MPEG1 compatible area; MC decoding means for decoding the MPEG2 multichannel extended area; and MC header detection means for executing a first processing including locating a position of a header of the MPEG2 multichannel extended area based on the MPEG1 side information and shifting a read position of the bit stream to the position of the header.

摘要翻译： 提供了解码由MPEG2音频多通道定义的比特流的解码装置。 包括MPEG1兼容区域和MPEG2多通道扩展区域的比特流，MPEG1兼容区域包括MPEG1侧信息。 解码装置包括：用于解码MPEG1兼容区域的MPEG1解码装置; 用于解码MPEG2多声道扩展区域的MC解码装置; 以及MC头部检测装置，用于执行包括基于MPEG1侧信息定位MPEG2多通道扩展区域的头部的位置并将比特流的读取位置移位到头部位置的第一处理。

公开(公告)号：US06363407B1

公开(公告)日：2002-03-26

申请号：US09929156

申请日：2001-08-14

申请人： Shuji Miyasaka ,  Takeshi Fujita ,  Masahiro Sueyoshi ,  Akihisa Kawamura ,  Masaharu Matsumoto ,  Takashi Katayama ,  Kazutaka Abe ,  Kosuke Nishio

发明人： Shuji Miyasaka ,  Takeshi Fujita ,  Masahiro Sueyoshi ,  Akihisa Kawamura ,  Masaharu Matsumoto ,  Takashi Katayama ,  Kazutaka Abe ,  Kosuke Nishio

IPC分类号： G06F738

CPC分类号： G06F7/552 ,  G10L19/0212

摘要： A device of the present invention is an exponential calculation device for calculating x{circumflex over ( )}(a/b) (where a and b are each an integer constant) for a given input value of x. The device includes: an input control section for outputting a value of x′, wherein x′=x when x≦A (where A is a threshold value within a variable range of x) and x′=x/2{circumflex over ( )}b when x>A; a core section for outputting a value of z′=x′{circumflex over ( )}(a/b); and an output control section for outputting a value of z, wherein z=z′ when x≦A and z=z′*2{circumflex over ( )}a when x>A.

摘要翻译： 本发明的装置是用于为x的给定输入值计算x {circumflex over（）}（a / b）（其中a和b各自为整数常数）的指数计算装置。 该装置包括：用于输出x'的值的输入控制部分，其中当x <= A时，x'= x（其中A是x的可变范围内的阈值），x'= x / 2 （）} b当x> A时; 用于输出z'= x'{circumflex over（）}（a / b）的值的核心部分; 以及输出控制部分，用于输出z的值，其中当x> A时z = z'，当x> A时，z = z'* 2 {circumflex over（）} a。

公开(公告)号：US06304890B1

公开(公告)日：2001-10-16

申请号：US09244155

申请日：1999-02-03

申请人： Shuji Miyasaka ,  Takeshi Fujita ,  Masahiro Sueyoshi ,  Akihisa Kawamura ,  Masaharu Matsumoto ,  Takashi Katayama ,  Kazutaka Abe ,  Kosuke Nishio

发明人： Shuji Miyasaka ,  Takeshi Fujita ,  Masahiro Sueyoshi ,  Akihisa Kawamura ,  Masaharu Matsumoto ,  Takashi Katayama ,  Kazutaka Abe ,  Kosuke Nishio

IPC分类号： G06F738

CPC分类号： G06F7/552 ,  G10L19/0212

摘要： A device of the present invention is an exponential calculation device for calculating x{circumflex over ( )}(a/b) (where a and b are each an integer constant) for a given input value of x. The device includes: an input control section for outputting a value of x′, wherein x′=x when x≦A (where A is a threshold value within a variable range of x) and x′=x/2{circumflex over ( )}b when x>A; a core section for outputting a value of z′=x′{circumflex over ( )}(a/b); and an output control section for outputting a value of z, wherein z=z′ when x≦A and z=z′*2{circumflex over ( )}a when x>A.

摘要翻译： 本发明的装置是用于为x的给定输入值计算x {circumflex over（）}（a / b）（其中a和b各自为整数常数）的指数计算装置。 该装置包括：用于输出x'的值的输入控制部分，其中当x <= A时，x'= x（其中A是x的可变范围内的阈值），x'= x / 2 （）} b当x> A时; 用于输出z'= x'{circumflex over（）}（a / b）的值的核心部分; 以及输出控制部分，用于输出z的值，其中当x> A时z = z'，当x> A时，z = z'* 2 {circumflex over（）} a。

公开(公告)号：US07050870B2

公开(公告)日：2006-05-23

申请号：US09982272

申请日：2001-10-17

申请人： Masahiro Sueyoshi ,  Masaharu Matsumoto ,  Takeshi Fujita ,  Takashi Katayama ,  Kazutaka Abe ,  Kosuke Nishio ,  Akihisa Kawamura

发明人： Masahiro Sueyoshi ,  Masaharu Matsumoto ,  Takeshi Fujita ,  Takashi Katayama ,  Kazutaka Abe ,  Kosuke Nishio ,  Akihisa Kawamura

IPC分类号： G06F17/00 ,  G06F15/173 ,  H04H7/00

CPC分类号： G11B20/10527 ,  G10L19/167 ,  G10L19/24

摘要： A reproduction apparatus includes a read section for reading a first data unit from a recording medium having the first data unit recorded thereon; a communication section for receiving a second data unit in accordance with a communication condition with a server; a synthesis section for, when the communication section cannot receive the second data unit in accordance with the communication condition, outputting the first data unit as a first output data unit, and when the communication section can receive the second data unit in accordance with the communication condition, synthesizing the first data unit and the second data unit so as to generate a synthesis data unit and outputting the synthesis data unit as a second output data unit; and a reproduction section for reproducing the first output data unit and the second output data unit.

公开(公告)号：US06377641B1

公开(公告)日：2002-04-23

申请号：US09735674

申请日：2000-12-13

申请人： Takashi Katayama ,  Takeshi Fujita ,  Masahiro Sueyoshi ,  Kazutaka Abe ,  Masaharu Matsumoto ,  Akihisa Kawamura ,  Kosuke Nishio ,  Ryoji Suzuki ,  Shinji Kojima

发明人： Takashi Katayama ,  Takeshi Fujita ,  Masahiro Sueyoshi ,  Kazutaka Abe ,  Masaharu Matsumoto ,  Akihisa Kawamura ,  Kosuke Nishio ,  Ryoji Suzuki ,  Shinji Kojima

IPC分类号： G11B2010

CPC分类号： G11B19/125

摘要： A reproduction apparatus according to the present invention includes: a signal input section for receiving an input signal having an input signal type; a synchronization signal detection section for detecting a predetermined synchronization signal in the input signal and determining the input signal type in accordance with an occurrence frequency with which an interval repeatedly occurs between adjacent instances of the predetermined synchronization signal; and a signal processing section for subjecting the input signal to a signal processing which is suitable for the determined input signal type.

摘要翻译： 根据本发明的再现装置包括：信号输入部分，用于接收具有输入信号类型的输入信号; 同步信号检测部分，用于检测输入信号中的预定同步信号，并根据在预定同步信号的相邻实例之间重复发生间隔的出现频率确定输入信号类型; 以及信号处理部分，用于对输入信号进行适合于确定的输入信号类型的信号处理。

公开(公告)号：US07236838B2

公开(公告)日：2007-06-26

申请号：US09939048

申请日：2001-08-24

申请人： Takashi Katayama ,  Masaharu Matsumoto ,  Masahiro Sueyoshi ,  Kosuke Nishio ,  Takeshi Fujita ,  Akihisa Kawamura ,  Kazutaka Abe

发明人： Takashi Katayama ,  Masaharu Matsumoto ,  Masahiro Sueyoshi ,  Kosuke Nishio ,  Takeshi Fujita ,  Akihisa Kawamura ,  Kazutaka Abe

IPC分类号： G06F17/00 ,  H04B1/00

CPC分类号： H04S3/02 ,  H04S7/307 ,  H04S2400/01 ,  H04S2400/07

摘要： A signal processing apparatus includes a decoder for decoding a stream signal so as to generate a digital audio signal of a low frequency effect channel and digital audio signals of first through n'th (n≧2) channels; an adder section for adding the digital audio signal of the low frequency effect channel and the digital audio signal of a specified channel among the first through n'th channels, so as to generate an addition signal; an n number of D/A conversion sections for converting the digital audio signals of the first through n'th channels, excluding the digital audio signal of the specified channel, and the addition signal into n types of analog audio signals; a first signal processing section for generating a digital audio signal of the low frequency effect channel; and a second signal processing section for generating an analog audio signal of the specified channel.

摘要翻译： 信号处理装置包括：解码器，用于解码流信号，以产生低频效应信道的数字音频信号和第一至第n（n> = 2）个信道的数字音频信号; 加法器部分，用于在第一至第n通道中添加低频效果声道的数字音频信号和指定声道的数字音频信号，以产生加法信号; n个D / A转换部分，用于将排除指定通道的数字音频信号的第一至第n个通道的数字音频信号和加法信号转换为n种类型的模拟音频信号; 第一信号处理部分，用于产生低频效应信道的数字音频信号; 以及第二信号处理部分，用于产生指定信道的模拟音频信号。

公开(公告)号：US07106943B2

公开(公告)日：2006-09-12

申请号：US09955356

申请日：2001-09-18

申请人： Takashi Katayama ,  Kosuke Nishio ,  Masaharu Matsumoto ,  Akihisa Kawamura ,  Takeshi Fujita ,  Masahiro Sueyoshi ,  Kazutaka Abe

发明人： Takashi Katayama ,  Kosuke Nishio ,  Masaharu Matsumoto ,  Akihisa Kawamura ,  Takeshi Fujita ,  Masahiro Sueyoshi ,  Kazutaka Abe

IPC分类号： H04N5/91 ,  H04N7/00

CPC分类号： G10L19/0208 ,  G10L21/04 ,  H04N19/40 ,  H04N21/42646 ,  H04N21/4334 ,  H04N21/4341 ,  H04N21/4394 ,  H04N21/4398 ,  H04N21/4402

摘要： A coding device includes: a decoder for decoding a first stream signal in which a first video stream including a first video stream information generated by coding a first video signal and a first audio stream including a first audio stream information generated by coding a first audio signal are multiplexed; and a re-encoder for generating, based on the decoded first stream signal, a second video stream including a second video stream information having a bit rate lower than the first video stream information and a second audio stream including a second audio stream information having a bit rate lower than the first audio stream information, and multiplexing the second video stream is and the second audio stream to generate a second stream signal.

公开(公告)号：US06931371B2

公开(公告)日：2005-08-16

申请号：US09933881

申请日：2001-08-21

申请人： Masahiro Sueyoshi ,  Takeshi Fujita ,  Kazutaka Abe ,  Kosuke Nishio ,  Takashi Katayama ,  Masaharu Matsumoto ,  Akihisa Kawamura

发明人： Masahiro Sueyoshi ,  Takeshi Fujita ,  Kazutaka Abe ,  Kosuke Nishio ,  Takashi Katayama ,  Masaharu Matsumoto ,  Akihisa Kawamura

IPC分类号： G10L19/02 ,  G10L19/022 ,  G10L19/14 ,  G10L19/16 ,  H04J3/07 ,  H04L7/04 ,  H04L7/08 ,  G10L19/00

CPC分类号： G10L19/167 ,  G10L19/022 ,  H04J3/07 ,  H04L7/04 ,  H04L7/08

摘要： This invention relates to a signal transmission apparatus and a signal transmission method both for transmitting a plurality of pieces of encoded audio information having a plurality of sampling frequencies of F or 1/N×F, which are encoded by the same encoding method, via a digital interface to a signal reception apparatus.

摘要翻译： 本发明涉及一种信号传输装置和信号传输方法，用于通过数字接口发送具有由相同编码方法编码的F或1 / NxF的多个采样频率的多个编码音频信息 信号接收装置。

公开(公告)号：US08688442B2

公开(公告)日：2014-04-01

申请号：US13433063

申请日：2012-03-28

申请人： Shuji Miyasaka ,  Kosuke Nishio ,  Takeshi Norimatsu

发明人： Shuji Miyasaka ,  Kosuke Nishio ,  Takeshi Norimatsu

IPC分类号： G10L19/02

CPC分类号： G10L19/0212 ,  G10L19/12 ,  G10L19/22

摘要： An audio decoding apparatus comprises: a plurality of decoding units; a band replicating unit which processes a decoded signal obtained when a corresponding decoding unit decodes a coded signal, according to a scheme specified by transmitted information; and an information transmitting unit which transmits, to a signal processing unit, information identifying the corresponding decoding unit from among the plurality of decoding units.

摘要翻译： 音频解码装置包括：多个解码单元; 频带复制单元，根据所发送的信息指定的方案，处理当对应的解码单元解码编码信号时获得的解码信号; 以及信息发送单元，其向所述信号处理单元发送从所述多个解码单元中识别对应的解码单元的信息。

公开(公告)号：US20120185241A1

公开(公告)日：2012-07-19

申请号：US13433063

申请日：2012-03-28

申请人： Shuji MIYASAKA ,  Kosuke Nishio ,  Takeshi Norimatsu

发明人： Shuji MIYASAKA ,  Kosuke Nishio ,  Takeshi Norimatsu

IPC分类号： G10L19/04 ,  G10L19/00

CPC分类号： G10L19/0212 ,  G10L19/12 ,  G10L19/22

摘要： An audio decoding apparatus comprises: a plurality of decoding units; a band replicating unit which processes a decoded signal obtained when a corresponding decoding unit decodes a coded signal, according to a scheme specified by transmitted information; and an information transmitting unit which transmits, to a signal processing unit, information identifying the corresponding decoding unit from among the plurality of decoding units.

摘要翻译： 音频解码装置包括：多个解码单元; 频带复制单元，根据所发送的信息指定的方案，处理当对应的解码单元解码编码信号时获得的解码信号; 以及信息发送单元，其向所述信号处理单元发送从所述多个解码单元中识别对应的解码单元的信息。