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：US06847687B2

公开(公告)日：2005-01-25

申请号：US09795977

申请日：2001-03-01

申请人： Takeshi Fujita ,  Takashi Katayama ,  Masahiro Sueyoshi ,  Kousuke Nishio ,  Masaharu Matsumoto ,  Akihisa Kawamura ,  Kazutaka Abe ,  Ryoji Yamaguchi ,  Makoto Meiarashi ,  Ken Monda

发明人： Takeshi Fujita ,  Takashi Katayama ,  Masahiro Sueyoshi ,  Kousuke Nishio ,  Masaharu Matsumoto ,  Akihisa Kawamura ,  Kazutaka Abe ,  Ryoji Yamaguchi ,  Makoto Meiarashi ,  Ken Monda

IPC分类号： G11B20/10 ,  H04N5/85 ,  H04N7/26 ,  H04N7/50 ,  H04N9/804 ,  H04N9/806 ,  H04N7/12

CPC分类号： G11B20/10 ,  G11B20/10527 ,  G11B2020/10537 ,  H04N5/85 ,  H04N9/8042 ,  H04N9/8063 ,  H04N19/156 ,  H04N19/423 ,  H04N19/61

摘要： According to the data amount and the nature of a video stream and an audio stream included in a program stream which is to be decoded, an audio and video processing apparatus performs processing while allocating higher priority to one or the other of the video and audio streams. Without any increase in circuit complexity or clock speed, this apparatus can reproduce streams in at least two formats, in which the ratios of the amounts of encoded signal data and of the amounts of calculation required for decoding for the video and the audio are very different.

摘要翻译： 根据要解码的节目流中包括的视频流和音频流的数据量和性质，音频和视频处理装置执行处理，同时为视频和音频流中的一个或另一个分配较高优先级 。 在不增加电路复杂度或时钟速度的情况下，该装置可再现至少两种格式的数据流，其中编码信号数据量与用于视频和音频的解码所需的计算量的比率是非常不同的 。

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：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：US06233562B1

公开(公告)日：2001-05-15

申请号：US08986734

申请日：1997-12-08

申请人： Masahiro Sueyoshi ,  Shuji Miyasaka ,  Tukuru Ishito ,  Takeshi Fujita ,  Takashi Katayama ,  Masaharu Matsumoto ,  Tuyoshi Nakamura ,  Eiji Otomura ,  Akihisa Kawamura

发明人： Masahiro Sueyoshi ,  Shuji Miyasaka ,  Tukuru Ishito ,  Takeshi Fujita ,  Takashi Katayama ,  Masaharu Matsumoto ,  Tuyoshi Nakamura ,  Eiji Otomura ,  Akihisa Kawamura

IPC分类号： G10L2104

CPC分类号： H04B1/665 ,  H04H20/89 ,  H04H40/18

摘要： An audio decoding device for decoding coded audio information with multiple channels includes a coded information memory section for storing the coded audio information; an information transmission section for reading the coded audio information stored at an arbitrary position in the coded information memory section; and an audio decoding section for decoding the coded audio information read by the information transmission section and outputting the resultant audio information in accordance with a time axis.

摘要翻译： 用于对具有多个频道的编码音频信息进行解码的音频解码装置包括用于存储编码音频信息的编码信息存储部分; 信息发送部，用于读取存储在编码信息存储部中的任意位置的编码音频信息; 以及音频解码部分，用于对由信息发送部分读取的编码音频信息进行解码，并根据时间轴输出所得到的音频信息。

公开(公告)号：US6118821A

公开(公告)日：2000-09-12

申请号：US080133

申请日：1998-05-15

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

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

IPC分类号： G10L19/00 ,  G10L21/055 ,  H04H20/00 ,  H04N7/12 ,  H04N7/26 ,  H04S3/00

CPC分类号： G10L21/055 ,  G10L19/00

摘要： A compressed code decoding device of the present invention includes: a decoding section for receiving a plurality of groups of blocks of compressed codes and decoding each of the blocks of compressed codes; a buffer section for storing decoded signals decoded by the decoding section; a reproduction time acquisition section for acquiring a reproduction time at which to reproduce a predetermined one of the blocks; an output section for externally outputting the decoded signals stored in the buffer section; a detection section for detecting that the predetermined block of compressed codes has been decoded and output via the output section; an addition section for, at a time when the detection section detects that the predetermined block has been output, adding a time required for reproducing the predetermined block to the reproduction time acquired by the reproduction time acquisition section so as to produce a synchronization time; a synchronization section for comparing the synchronization time produced by the addition section and a current time so as to determine whether the synchronization time is ahead of or behind the current time; a code discarding section for, if the synchronization section determines that the synchronization time is ahead of the current time, discarding either compressed codes of one of the blocks next to the predetermined block or compressed codes of one of the groups next to the group including the predetermined block; and a reproduction delay section for, if the synchronization section determines that the synchronization time is behind the current time, delaying output of either decoded signals of the compressed codes of one of the blocks next to the predetermined block or decoded signals of the compressed codes of one of the groups next to the group including the predetermined block.

摘要翻译： 本发明的压缩码解码装置包括：解码部分，用于接收多组压缩码块，并对每个压缩码块进行解码; 缓冲部，用于存储由解码部解码的解码信号; 再现时间获取部分，用于获取再现预定的一个块的再现时间; 输出部分，用于从存储在缓冲器部分中的外部输出解码信号; 检测部分，用于检测所述预定的压缩代码块是否经由所述输出部分被解码和输出; 一个加法部分，用于在检测部分检测到预定块已被输出时，将再现预定块所需的时间与由再现时间获取部分获得的再现时间相加以产生同步时间; 同步部分，用于比较由加法部分产生的同步时间和当前时间，以便确定同步时间是否在当前时间之前或之后; 代码丢弃部分，用于如果同步部分确定同步时间在当前时间之前，则丢弃与预定块相邻的块中的一个块的压缩代码或者包括 预定块 以及再现延迟部分，如果同步部分确定同步时间在当前时间之后，则将预定块之后的块之一的压缩码的解码信号的输出或压缩码的解码信号延迟 包括预定块的组旁边的组之一。