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    • 4. 发明授权
    • Transmission apparatus and signal transmission method
    • 传输装置和信号传输方法
    • US08665738B2
    • 2014-03-04
    • US13047083
    • 2011-03-14
    • Toru KatagiriHiroyuki Honma
    • Toru KatagiriHiroyuki Honma
    • H04L12/26
    • H04J3/07H04J3/0685H04J3/1652
    • A transmission apparatus stores frame data of a first frame in a second frame having a bit rate different from that of the first frame through regulation of the amount of stuffs to be stored in the second frame. The transmission apparatus includes: a storage unit storing the first-frame frame data; a first control unit controlling a timing of writing the first-frame frame data in the storage unit based on first stuff information indicating the amount of stuffs contained in the first frame; an arithmetic and logic unit obtaining second stuff information indicating the amount of stuffs to be contained in the second frame based on a bit rate ratio between the first frame and the second frame; and a second control unit controlling a timing of reading out the first-frame frame data stored in the storage unit based on the second stuff information.
    • 发送装置通过调整要存储在第二帧中的填充量来存储具有与第一帧不同的比特率的第二帧中的第一帧的帧数据。 发送装置包括:存储单元,存储第一帧帧数据; 第一控制单元,基于表示第一帧中包含的填充量的第一填充信息,控制将第一帧帧数据写入存储单元的定时; 算术和逻辑单元,基于第一帧和第二帧之间的比特率,获得指示要包含在第二帧中的填充量的第二填充信息; 以及第二控制单元,其基于第二填充信息控制读出存储在存储单元中的第一帧帧数据的定时。
    • 5. 发明授权
    • Frame mapping apparatus and frame mapping method
    • 帧映射设备和帧映射方法
    • US08571073B2
    • 2013-10-29
    • US13365819
    • 2012-02-03
    • Toshiaki OhkuboToru KatagiriHiroyuki HonmaHiromichi MakishimaHiroyuki Kitajima
    • Toshiaki OhkuboToru KatagiriHiroyuki HonmaHiromichi MakishimaHiroyuki Kitajima
    • H04J3/02
    • H04J3/1652
    • 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.
    • 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。
    • 6. 发明申请
    • TRANSMISSION APPARATUS AND SIGNAL TRANSMISSION METHOD
    • 传输装置和信号传输方法
    • US20110229133A1
    • 2011-09-22
    • US13047083
    • 2011-03-14
    • Toru KatagiriHiroyuki Honma
    • Toru KatagiriHiroyuki Honma
    • H04J14/00
    • H04J3/07H04J3/0685H04J3/1652
    • A transmission apparatus stores frame data of a first frame in a second frame having a bit rate different from that of the first frame through regulation of the amount of stuffs to be stored in the second frame. The transmission apparatus includes: a storage unit storing the first-frame frame data; a first control unit controlling a timing of writing the first-frame frame data in the storage unit based on first stuff information indicating the amount of stuffs contained in the first frame; an arithmetic and logic unit obtaining second stuff information indicating the amount of stuffs to be contained in the second frame based on a bit rate ratio between the first frame and the second frame; and a second control unit controlling a timing of reading out the first-frame frame data stored in the storage unit based on the second stuff information.
    • 发送装置通过调整要存储在第二帧中的填充量来存储具有与第一帧不同的比特率的第二帧中的第一帧的帧数据。 发送装置包括:存储单元,存储第一帧帧数据; 第一控制单元,基于表示第一帧中包含的填充量的第一填充信息,控制将第一帧帧数据写入存储单元的定时; 算术和逻辑单元,基于第一帧和第二帧之间的比特率,获得指示要包含在第二帧中的填充量的第二填充信息; 以及第二控制单元,其基于第二填充信息控制读出存储在存储单元中的第一帧帧数据的定时。
    • 7. 发明申请
    • FRAME MAPPING APPARATUS AND FRAME MAPPING METHOD
    • 帧映射设备和帧映射方法
    • US20120251127A1
    • 2012-10-04
    • US13365819
    • 2012-02-03
    • Toshiaki OHKUBOToru KatagiriHiroyuki HonmaHiromichi MakishimaHiroyuki Kitajima
    • Toshiaki OHKUBOToru KatagiriHiroyuki HonmaHiromichi MakishimaHiroyuki Kitajima
    • H04B10/04
    • H04J3/1652
    • 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.
    • 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。
    • 9. 发明授权
    • Frequency band extending device and method, encoding device and method, decoding device and method, and program
    • 频带扩展装置及方法,编码装置及方法,解码装置及方法及程序
    • US09208795B2
    • 2015-12-08
    • US13499559
    • 2010-09-29
    • Yuki YamamotoToru ChinenHiroyuki HonmaYuhki Mitsufuji
    • Yuki YamamotoToru ChinenHiroyuki HonmaYuhki Mitsufuji
    • H04J1/00G10L21/038G10L19/02
    • G10L21/0388G10L19/0208G10L21/038
    • 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.
    • 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。
    • 10. 发明申请
    • SIGNAL PROCESSING APPARATUS AND SIGNAL PROCESSING METHOD, ENCODER AND ENCODING METHOD, DECODER AND DECODING METHOD, AND PROGRAM
    • 信号处理装置和信号处理方法,编码器和编码方法,解码器和解码方法及程序
    • US20130202118A1
    • 2013-08-08
    • US13640500
    • 2011-04-11
    • Yuki YamamotoToru ChinenHiroyuki HonmaYuhki Mitsufuji
    • Yuki YamamotoToru ChinenHiroyuki HonmaYuhki Mitsufuji
    • G10L19/008
    • G10L19/008G10L19/0204G10L19/167G10L21/0388
    • 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.
    • 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。