公开(公告)号：US08767748B2

公开(公告)日：2014-07-01

申请号：US13220297

申请日：2011-08-29

申请人： Masafumi Ohta ,  Hiromichi Makishima ,  Hiroyuki Honma

发明人： Masafumi Ohta ,  Hiromichi Makishima ,  Hiroyuki Honma

IPC分类号： H04W72/04 ,  H04W84/08 ,  H04B7/26

CPC分类号： H04W72/0446 ,  H04B7/2628 ,  H04J3/07 ,  H04J3/1652 ,  H04W84/08

摘要： A signal distribution circuit includes: first to n-th input lines on which first to n-th signals are respectively input; first to (n−1)th selectors each of which selects one of two inputs under the control of a select signal; and a first output line on which the first signal is output and second to n-th output lines on which output signals of the first to (n−1)th selectors are respectively output, wherein: the first and second inputs of the first selector are supplied with the first signal and the second signal, respectively, the first and second inputs of the i-th selector (i is an integer between 2 and (n−1)) are supplied with the output signal of the (i−1)th selector and the (i+1)th signal, respectively, and any of the selectors, when selected by the select signal, selects the second input and, when not selected by the select signal, selects the first input.

摘要翻译： 信号分配电路包括：分别输入第一至第n信号的第一至第n输入线; 第一至第（n-1）个选择器，每个选择器在选择信号的控制下选择两个输入中的一个; 以及输出第一信号的第一输出线和分别输出第一至第（n-1）个选择器的输出信号的第二至第n输出线，其中：第一选择器的第一和第二输入 分别提供第一信号和第二信号，第i个选择器的第一和第二输入（i是2和（n-1）之间的整数）被提供有第（i-1）的输出信号 ）选择器和第（i + 1）个信号，并且当选择信号选择时，任何选择器选择第二输入，并且当未被选择信号选择时，选择第一输入。

公开(公告)号：US20120251127A1

公开(公告)日：2012-10-04

申请号：US13365819

申请日：2012-02-03

申请人： Toshiaki OHKUBO ,  Toru Katagiri ,  Hiroyuki Honma ,  Hiromichi Makishima ,  Hiroyuki Kitajima

发明人： Toshiaki OHKUBO ,  Toru Katagiri ,  Hiroyuki Honma ,  Hiromichi Makishima ,  Hiroyuki Kitajima

IPC分类号： H04B10/04

CPC分类号： H04J3/1652

摘要： An apparatus for mapping multiple lower-speed signal transmission frames to a higher-speed signal transmission frame. The apparatus includes buffers configured to buffer the lower-speed signal transmission frames, determination units configured to determine frequency justification information for the lower-speed signal transmission frames, a barrel shifter configured to receive signals output from the buffers, and a controller configured to control the barrel shifter to map the lower-speed signal transmission frames to the higher-speed signal transmission frame based on external settings for the respective lower-speed signal transmission frames and the frequency justification information determined by the determination units. When the minimum unit of the lower-speed signal transmission frames is a channel, the number of the buffers and the number of the determination units correspond to the maximum number of channels that can be multiplexed in the higher-speed signal transmission frame.

摘要翻译： 一种用于将多个低速信号传输帧映射到更高速度的信号传输帧的装置。 该装置包括被配置为缓冲低速信号传输帧的缓冲器，被配置为确定低速信号传输帧的频率调整信息的确定单元，被配置为接收从缓冲器输出的信号的桶形移位器，以及被配置为控制 桶形移位器基于各个低速信号传输帧的外部设置和由确定单元确定的频率对齐信息将低速信号传输帧映射到较高速度的信号传输帧。 当低速信号传输帧的最小单位是信道时，缓冲器的数量和确定单元的数量对应于在高速信号传输帧中可以多路复用的最大信道数。

公开(公告)号：US08521176B2

公开(公告)日：2013-08-27

申请号：US13436796

申请日：2012-03-30

申请人： Shingo Hotta ,  Hiromichi Makishima ,  Hiroyuki Honma ,  Ichirou Yokokura

发明人： Shingo Hotta ,  Hiromichi Makishima ,  Hiroyuki Honma ,  Ichirou Yokokura

IPC分类号： H04B17/00

CPC分类号： H04B17/004 ,  H04B10/0799 ,  H04B10/50 ,  H04B17/20 ,  H04J3/07 ,  H04J3/1652

摘要： In a transmission apparatus, a comparison unit provides threshold values associated with an amount of data indicating a signal frequency, and compares an input parameter obtained by cumulatively adding a correction amount to the parameter with the threshold values. When the input parameter is within a range defined by the threshold values, a correction unit outputs a value of the input parameter. When the input parameter is out of the defined range, the correction unit outputs an associated one of the threshold values so as to eliminate an amount exceeding or falling short of the defined range, to thereby correct the input parameter. An addition unit detects the correction amount which is an amount of the immediately preceding value of the input parameter exceeding or falling short of the defined range, and cumulatively adds the correction amount to the input parameter used for the comparison of this time.

摘要翻译： 在发送装置中，比较单元提供与指示信号频率的数据量相关联的阈值，并将通过将该修正量累加到该参数而获得的输入参数与阈值进行比较。 当输入参数在由阈值定义的范围内时，校正单元输出输入参数的值。 当输入参数超出限定范围时，校正单元输出相关联的一个阈值，以便消除超过或超出限定范围的量，从而校正输入参数。 加法单元检测作为输入参数的紧接在前的值的量的校正量超过或者不超过限定范围，并且将校正量累加到用于此时间的比较的输入参数。

公开(公告)号：US08571073B2

公开(公告)日：2013-10-29

申请号：US13365819

申请日：2012-02-03

申请人： Toshiaki Ohkubo ,  Toru Katagiri ,  Hiroyuki Honma ,  Hiromichi Makishima ,  Hiroyuki Kitajima

发明人： Toshiaki Ohkubo ,  Toru Katagiri ,  Hiroyuki Honma ,  Hiromichi Makishima ,  Hiroyuki Kitajima

IPC分类号： H04J3/02

CPC分类号： H04J3/1652

摘要： An apparatus for mapping multiple lower-speed signal transmission frames to a higher-speed signal transmission frame. The apparatus includes buffers configured to buffer the lower-speed signal transmission frames, determination units configured to determine frequency justification information for the lower-speed signal transmission frames, a barrel shifter configured to receive signals output from the buffers, and a controller configured to control the barrel shifter to map the lower-speed signal transmission frames to the higher-speed signal transmission frame based on external settings for the respective lower-speed signal transmission frames and the frequency justification information determined by the determination units. When the minimum unit of the lower-speed signal transmission frames is a channel, the number of the buffers and the number of the determination units correspond to the maximum number of channels that can be multiplexed in the higher-speed signal transmission frame.

摘要翻译： 一种用于将多个低速信号传输帧映射到更高速度的信号传输帧的装置。 该装置包括被配置为缓冲低速信号传输帧的缓冲器，被配置为确定低速信号传输帧的频率调整信息的确定单元，被配置为接收从缓冲器输出的信号的桶形移位器，以及被配置为控制 桶形移位器基于各个低速信号传输帧的外部设置和由确定单元确定的频率对齐信息将低速信号传输帧映射到较高速度的信号传输帧。 当低速信号传输帧的最小单位是信道时，缓冲器的数量和确定单元的数量对应于在高速信号传输帧中可以多路复用的最大信道数。

公开(公告)号：US09583112B2

公开(公告)日：2017-02-28

申请号：US13640500

申请日：2011-04-11

申请人： Yuki Yamamoto ,  Toru Chinen ,  Hiroyuki Honma ,  Yuhki Mitsufuji

发明人： Yuki Yamamoto ,  Toru Chinen ,  Hiroyuki Honma ,  Yuhki Mitsufuji

IPC分类号： H04S3/02 ,  G10L19/008 ,  H04R3/04 ,  G10L21/0388 ,  G10L19/16 ,  G10L19/02

CPC分类号： G10L19/008 ,  G10L19/0204 ,  G10L19/167 ,  G10L21/0388

摘要： The present invention relates to a signal processing apparatus and a signal processing method, an encoder and an encoding method, a decoder and a decoding method, and a program capable of reproducing music signal having a better sound quality by expansion of frequency band.A sampling frequency conversion unit converts a sampling frequency of an input signal, and a sub-band division circuit divides the input signal after the sampling conversion into sub-band signals of sub-bands having the number corresponding to the sampling frequency.A pseudo high band sub-band power calculation circuit calculates pseudo high band sub-band powers based on low band signals of the input signal and coefficient tables having coefficients for the respective high band sub-bands. A pseudo high band sub-band power difference calculation circuit compares high band sub-band powers and the pseudo high band sub-band powers to each other and selects a coefficient table from plural coefficient tables. In addition, a coefficient index which specifies the coefficient table is encoded and set as high band encoded data. The present invention can be applied to an encoder.

摘要翻译： 伪高带子带功率计算电路基于输入信号的低频带信号和具有各高频子带的系数的系数表来计算伪高频子带功率。 伪高带子带功率差计算电路将高频带子带功率和伪高频带子频带功率进行比较，并从多个系数表中选择系数表。 此外，指定系数表的系数索引被编码并设置为高频带编码数据。 本发明可以应用于编码器。

公开(公告)号：US09208795B2

公开(公告)日：2015-12-08

申请号：US13499559

申请日：2010-09-29

申请人： Yuki Yamamoto ,  Toru Chinen ,  Hiroyuki Honma ,  Yuhki Mitsufuji

发明人： Yuki Yamamoto ,  Toru Chinen ,  Hiroyuki Honma ,  Yuhki Mitsufuji

IPC分类号： H04J1/00 ,  G10L21/038 ,  G10L19/02

CPC分类号： G10L21/0388 ,  G10L19/0208 ,  G10L21/038

摘要： The present invention relates to a frequency band extending device and method, an encoding device and method, a decoding device and method, and a program, whereby music signals can be played with higher sound quality due to the extension of frequency bands.A bandpass filter 13 divides an input signal into multiple sub-band signals, a feature amount calculating circuit 14 calculates feature amount using at least one of the multiple divided sub-band signals and the input signal, a high frequency sub-band power estimating circuit 15 calculates an estimated value of a high frequency sub-band power based on the calculated feature amount, a high frequency signal generating circuit 16 generates a high frequency signal component based on the multiple sub-band signals divided by the bandpass filter 13, and the estimated value of the high frequency sub-band power calculated by the high frequency sub-band power estimating circuit 15. A frequency band extending device 10 extends the frequency band of the input signal using a high frequency signal component. The present invention may be applied to a frequency band extending device, for example.

摘要翻译： 本发明涉及一种频带扩展装置及方法，编码装置和方法，解码装置和方法以及程序，由此可以由于频带的扩展而以更高的音质播放音乐信号。 带通滤波器13将输入信号分割为多个子带信号，特征量计算电路14使用多个分频子带信号和输入信号中的至少一个来计算特征量，高频子带功率估计电路 基于计算出的特征量计算高频子带功率的估计值，高频信号生成电路16基于由带通滤波器13分割的多个子带信号生成高频信号分量， 由高频子带功率估计电路15计算的高频子带功率的估计值。频带扩展装置10使用高频信号分量来扩展输入信号的频带。 例如，本发明可以应用于频带扩展装置。

公开(公告)号：US20130202118A1

公开(公告)日：2013-08-08

申请号：US13640500

申请日：2011-04-11

申请人： Yuki Yamamoto ,  Toru Chinen ,  Hiroyuki Honma ,  Yuhki Mitsufuji

发明人： Yuki Yamamoto ,  Toru Chinen ,  Hiroyuki Honma ,  Yuhki Mitsufuji

IPC分类号： G10L19/008

CPC分类号： G10L19/008 ,  G10L19/0204 ,  G10L19/167 ,  G10L21/0388

摘要： The present invention relates to a signal processing apparatus and a signal processing method, an encoder and an encoding method, a decoder and a decoding method, and a program capable of reproducing music signal having a better sound quality by expansion of frequency band.A sampling frequency conversion unit converts a sampling frequency of an input signal, and a sub-band division circuit divides the input signal after the sampling conversion into sub-band signals of sub-bands having the number corresponding to the sampling frequency.A pseudo high band sub-band power calculation circuit calculates pseudo high band sub-band powers based on low band signals of the input signal and coefficient tables having coefficients for the respective high band sub-bands. A pseudo high band sub-band power difference calculation circuit compares high band sub-band powers and the pseudo high band sub-band powers to each other and selects a coefficient table from plural coefficient tables. In addition, a coefficient index which specifies the coefficient table is encoded and set as high band encoded data. The present invention can be applied to an encoder.

摘要翻译： 本发明涉及一种信号处理装置和信号处理方法，编码器和编码方法，解码器和解码方法，以及能够通过扩展频带来再现具有更好音质的音乐信号的程序。 采样频率转换单元转换输入信号的采样频率，子带分割电路将采样转换后的输入信号分成具有对应于采样频率的数字的子带的子带信号。 伪高带子带功率计算电路基于输入信号的低频带信号和具有各高频子带的系数的系数表来计算伪高频子带功率。 伪高带子带功率差计算电路将高频带子带功率和伪高频带子频带功率进行比较，并从多个系数表中选择系数表。 此外，指定系数表的系数索引被编码并设置为高频带编码数据。 本发明可以应用于编码器。

公开(公告)号：US20130058500A1

公开(公告)日：2013-03-07

申请号：US13616944

申请日：2012-09-14

申请人： Yuhki MITSUFUJI ,  Toru Chinen ,  Hiroyuki Honma ,  Kenichi Makino

发明人： Yuhki MITSUFUJI ,  Toru Chinen ,  Hiroyuki Honma ,  Kenichi Makino

IPC分类号： H03G5/00

CPC分类号： G10L21/038 ,  G10L19/24

摘要： A player apparatus for playing an input signal after band-extending the input signal includes: an extension controller to determine an extension start band for the input signal in accordance with information relating to the input signal; and a band divider to divide the input signal into a plurality of sub-band signals. The frequency band is extended on the basis of a plurality of the sub-band signals on a side lower than the extension start band, among the plurality of sub-band signals into which the input signal is band-divided by the band divider.

摘要翻译： 用于在扩展输入信号之后播放输入信号的播放器装置包括：扩展控制器，用于根据与输入信号相关的信息确定输入信号的扩展开始频带; 以及分频器，用于将输入信号分成多个子带信号。 在输入信号被频带分频器分频的多个子频带信号中，基于比扩展开始频带低的一侧的多个子频带信号来扩展频带。

公开(公告)号：US20130004168A1

公开(公告)日：2013-01-03

申请号：US13634033

申请日：2011-03-11

申请人： Takuya Ohara ,  Takashi Ono ,  Shigeki Aisawa ,  Masahito Tomizawa ,  Hiroyuki Honma ,  Satoru Saitoh ,  Masahiro Shioda

发明人： Takuya Ohara ,  Takashi Ono ,  Shigeki Aisawa ,  Masahito Tomizawa ,  Hiroyuki Honma ,  Satoru Saitoh ,  Masahiro Shioda

IPC分类号： H04J14/00

CPC分类号： H04J3/1658 ,  H04J3/0638

摘要： In an apparatus for accommodating and multiplexing asynchronous client signals in which an idle signal is defined, the transmission side transmits client signals after synchronizing the client signals by inserting or removing, with reference to a specific client signal, an idle signal to/from the same type of another client signal, and in the receiving side, a PLL part is shared by recovering a clock from a client signal and distributing the clock for another client signal.

摘要翻译： 在用于容纳和复用其中定义空闲信号的异步客户端信号的装置中，发送侧在通过相对于特定客户端信号插入或移除与其相同的空闲信号之后，在同步客户端信号之后发送客户端信号 类型的另一客户端信号，并且在接收侧，通过从客户端信号恢复时钟并且将时钟分配给另一个客户端信号来共享PLL部分。

公开(公告)号：US20120243526A1

公开(公告)日：2012-09-27

申请号：US13499559

申请日：2010-09-29

申请人： Yuki Yamamoto ,  Toru Chinen ,  Hiroyuki Honma ,  Yuhki Mitsufuji

发明人： Yuki Yamamoto ,  Toru Chinen ,  Hiroyuki Honma ,  Yuhki Mitsufuji

IPC分类号： H04W4/00

CPC分类号： G10L21/0388 ,  G10L19/0208 ,  G10L21/038

摘要： The present invention relates to a frequency band extending device and method, an encoding device and method, a decoding device and method, and a program, whereby music signals can be played with higher sound quality due to the extension of frequency bands.A bandpass filter 13 divides an input signal into multiple sub-band signals, a feature amount calculating circuit 14 calculates feature amount using at least one of the multiple divided sub-band signals and the input signal, a high frequency sub-band power estimating circuit 15 calculates an estimated value of a high frequency sub-band power based on the calculated feature amount, a high frequency signal generating circuit 16 generates a high frequency signal component based on the multiple sub-band signals divided by the bandpass filter 13, and the estimated value of the high frequency sub-band power calculated by the high frequency sub-band power estimating circuit 15. A frequency band extending device 10 extends the frequency band of the input signal using a high frequency signal component. The present invention may be applied to a frequency band extending device, for example.

摘要翻译： 本发明涉及一种频带扩展装置及方法，编码装置和方法，解码装置和方法以及程序，由此可以由于频带的扩展而以更高的音质播放音乐信号。 带通滤波器13将输入信号分割为多个子带信号，特征量计算电路14使用多个分频子带信号和输入信号中的至少一个来计算特征量，高频子带功率估计电路 基于计算出的特征量计算高频子带功率的估计值，高频信号生成电路16基于由带通滤波器13分割的多个子带信号生成高频信号分量， 由高频子带功率估计电路15计算的高频子带功率的估计值。频带扩展装置10使用高频信号分量来扩展输入信号的频带。 例如，本发明可以应用于频带扩展装置。