公开(公告)号：US20140172433A2

公开(公告)日：2014-06-19

申请号：US14006148

申请日：2012-03-23

申请人： Hiroyuki Honma ,  Toru Chinen ,  Yuki Yamamoto ,  Mitsuyuki Hatanaka

发明人： Hiroyuki Honma ,  Toru Chinen ,  Yuki Yamamoto ,  Mitsuyuki Hatanaka

IPC分类号： G10L19/008

CPC分类号： G10L19/008 ,  G10L19/002 ,  G10L19/0204 ,  G10L19/24

摘要： This technology relates to an encoding device, an encoding method, and a program capable of improving audio quality and more efficiently encoding audio. A first high-frequency encoding circuit encodes a high-frequency range based on a low-frequency subband signal and a high-frequency subband signal and obtains a high-frequency code amount. A low-frequency encoding circuit encodes a low-frequency signal with a code amount determined by the high-frequency code amount and a low-frequency decoding circuit decodes the encoded low-frequency signal. A subband dividing circuit divides a decoded low-frequency signal obtained by decoding into decoded low-frequency subband signals of a plurality of subbands and a second high-frequency encoding circuit generates a high-frequency code string such that a code amount of the high-frequency code string for obtaining a high-frequency component is not larger than the high-frequency code amount based on the decoded low-frequency subband signals and the high-frequency subband signals. The present invention is applicable to the encoding device.

摘要翻译： 该技术涉及能够改善音频质量并且更有效地编码音频的编码装置，编码方法和程序。 第一高频编码电路基于低频子带信号和高频子带信号对高频范围进行编码，并获得高频码量。 低频编码电路以由高频码量确定的码量对低频信号进行编码，低频解码电路解码编码的低频信号。 子带分割电路将通过解码获得的解码低频信号划分为多个子带的解码低频子带信号，第二高频编码电路生成高频编码串， 基于解码的低频子带信号和高频子带信号，用于获得高频分量的频率码串不大于高频编码量。 本发明可应用于编码装置。

公开(公告)号：US09437197B2

公开(公告)日：2016-09-06

申请号：US14006148

申请日：2012-03-23

申请人： Hiroyuki Honma ,  Toru Chinen ,  Yuki Yamamoto ,  Mitsuyuki Hatanaka

发明人： Hiroyuki Honma ,  Toru Chinen ,  Yuki Yamamoto ,  Mitsuyuki Hatanaka

IPC分类号： G10L19/00 ,  G10L21/00 ,  G10L19/008 ,  G10L19/002 ,  G10L19/24 ,  G10L19/02

CPC分类号： G10L19/008 ,  G10L19/002 ,  G10L19/0204 ,  G10L19/24

摘要： This technology relates to an encoding device, an encoding method, and a program capable of improving audio quality and more efficiently encoding audio. A first high-frequency encoding circuit encodes a high-frequency range based on a low-frequency subband signal and a high-frequency subband signal and obtains a high-frequency code amount. A low-frequency encoding circuit encodes a low-frequency signal with a code amount determined by the high-frequency code amount and a low-frequency decoding circuit decodes the encoded low-frequency signal. A subband dividing circuit divides a decoded low-frequency signal obtained by decoding into decoded low-frequency subband signals of a plurality of subbands and a second high-frequency encoding circuit generates a high-frequency code string such that a code amount of the high-frequency code string for obtaining a high-frequency component is not larger than the high-frequency code amount based on the decoded low-frequency subband signals and the high-frequency subband signals. The present invention is applicable to the encoding device.

摘要翻译： 该技术涉及能够改善音频质量并且更有效地编码音频的编码装置，编码方法和程序。 第一高频编码电路基于低频子带信号和高频子带信号对高频范围进行编码，并获得高频码量。 低频编码电路以由高频码量确定的码量对低频信号进行编码，低频解码电路解码编码的低频信号。 子带分割电路将通过解码获得的解码低频信号划分为多个子带的解码低频子带信号，第二高频编码电路生成高频编码串， 基于解码的低频子带信号和高频子带信号，用于获得高频分量的频率码串不大于高频编码量。 本发明可应用于编码装置。

公开(公告)号：US20140006037A1

公开(公告)日：2014-01-02

申请号：US14006148

申请日：2012-03-23

申请人： Hiroyuki Honma ,  Toru Chinen ,  Yuki Yamamoto ,  Mitsuyuki Hatanaka

发明人： Hiroyuki Honma ,  Toru Chinen ,  Yuki Yamamoto ,  Mitsuyuki Hatanaka

IPC分类号： G10L19/008

CPC分类号： G10L19/008 ,  G10L19/002 ,  G10L19/0204 ,  G10L19/24

摘要： This technology relates to an encoding device, an encoding method, and a program capable of improving audio quality and more efficiently encoding audio. A first high-frequency encoding circuit encodes a high-frequency range based on a low-frequency subband signal and a high-frequency subband signal and obtains a high-frequency code amount. A low-frequency encoding circuit encodes a low-frequency signal with a code amount determined by the high-frequency code amount and a low-frequency decoding circuit decodes the encoded low-frequency signal. A subband dividing circuit divides a decoded low-frequency signal obtained by decoding into decoded low-frequency subband signals of a plurality of subbands and a second high-frequency encoding circuit generates a high-frequency code string such that a code amount of the high-frequency code string for obtaining a high-frequency component is not larger than the high-frequency code amount based on the decoded low-frequency subband signals and the high-frequency subband signals. The present invention is applicable to the encoding device.

公开(公告)号：US20130124214A1

公开(公告)日：2013-05-16

申请号：US13498234

申请日：2011-07-27

申请人： Yuki Yamamoto ,  Toru Chinen ,  Mitsuyuki Hatanaka

发明人： Yuki Yamamoto ,  Toru Chinen ,  Mitsuyuki Hatanaka

IPC分类号： G10L19/02

CPC分类号： G10L19/02 ,  G10L19/26 ,  G10L21/038

摘要： A method, system, and computer program product for processing an encoded audio signal is described. In one exemplary embodiment, the system receives an encoded low-frequency range signal and encoded energy information used to frequency shift the encoded low-frequency range signal. The low-frequency range signal is decoded and an energy depression of the decoded signal is smoothed. The smoothed low-frequency range signal is frequency shifted to generate a high-frequency range signal. The low-frequency range signal and high-frequency range signal are then combined and outputted.

摘要翻译： 描述了用于处理编码音频信号的方法，系统和计算机程序产品。 在一个示例性实施例中，系统接收编码的低频范围信号和用于对编码的低频范围信号进行频移的编码能量信息。 低频范围信号被解码，解码信号的能量下降被平滑化。 平滑的低频范围信号被频移以产生高频范围信号。 然后组合并输出低频范围信号和高频范围信号。

公开(公告)号：US09406306B2

公开(公告)日：2016-08-02

申请号：US13498234

申请日：2011-07-27

申请人： Yuki Yamamoto ,  Toru Chinen ,  Mitsuyuki Hatanaka

发明人： Yuki Yamamoto ,  Toru Chinen ,  Mitsuyuki Hatanaka

IPC分类号： G10L19/02 ,  G10L21/038

CPC分类号： G10L19/02 ,  G10L19/26 ,  G10L21/038

摘要： A method, system, and computer program product for processing an encoded audio signal is described. In one exemplary embodiment, the system receives an encoded low-frequency range signal and encoded energy information used to frequency shift the encoded low-frequency range signal. The low-frequency range signal is decoded and an energy depression of the decoded signal is smoothed. The smoothed low-frequency range signal is frequency shifted to generate a high-frequency range signal. The low-frequency range signal and high-frequency range signal are then combined and outputted.

摘要翻译： 描述了用于处理编码音频信号的方法，系统和计算机程序产品。 在一个示例性实施例中，系统接收编码的低频范围信号和用于对编码的低频范围信号进行频移的编码能量信息。 低频范围信号被解码，解码信号的能量下降被平滑化。 平滑的低频范围信号被频移以产生高频范围信号。 然后组合并输出低频范围信号和高频范围信号。

公开(公告)号：US20110295396A1

公开(公告)日：2011-12-01

申请号：US13147858

申请日：2010-12-12

申请人： Toru Chinen ,  Yuki Yamamoto ,  Mitsuyuki Hatanaka

发明人： Toru Chinen ,  Yuki Yamamoto ,  Mitsuyuki Hatanaka

IPC分类号： G06F17/00

CPC分类号： G10L25/00 ,  G06F2200/1636

摘要： The present invention relates to a control device, a control method, and a program capable of improving operability with a simpler configuration.A reproducing apparatus 11 which reproduces sound such as music includes earphones 21 which are worn by a user on the ears and a body 22. A sound pickup unit 31 collects sounds around the reproducing apparatus 11, and a determination unit 34 extracts future amounts from the collected sound and determines whether the sound corresponds to an operation sound generated when the sound pickup unit 31 is directly tapped by the user. A controller 35 executes a process in accordance with a result of the determination performed by the determination unit 34. For example, when a sound pickup unit 31-1 is tapped once within a predetermined period of time, the controller 35 instructs a reproduction controller 39 to stop reproduction of music. In the reproducing apparatus 11, various function control processes may be performed by a simple operation of tapping the sound pickup unit 31 and buttons are not required. The present invention is applicable to a music player.

摘要翻译： 本发明涉及一种能够以更简单的配置改善可操作性的控制装置，控制方法和程序。 重现声音的再现装置11包括用户在耳朵上佩戴的耳机21和主体22.声音拾取单元31在再现设备11周围收集声音，并且确定单元34从 收集的声音，并且确定声音是否对应于当用户直接敲击声音拾取单元31时产生的操作声音。 控制器35根据由确定单元34执行的确定结果执行处理。例如，当在预定时间段内拾取声音拾取单元31-1一次时，控制器35指示再现控制器39 停止再现音乐。 在再现装置11中，可以通过敲击声音拾取单元31的简单操作来执行各种功能控制处理，并且不需要按钮。 本发明可应用于音乐播放器。

公开(公告)号：US09053709B2

公开(公告)日：2015-06-09

申请号：US13147858

申请日：2010-12-12

申请人： Toru Chinen ,  Yuki Yamamoto ,  Mitsuyuki Hatanaka

发明人： Toru Chinen ,  Yuki Yamamoto ,  Mitsuyuki Hatanaka

IPC分类号： G06F17/00 ,  G10L25/00

CPC分类号： G10L25/00 ,  G06F2200/1636

摘要： The present invention relates to a control device, a control method, and a program capable of improving operability with a simpler configuration.A reproducing apparatus 11 which reproduces sound such as music includes earphones 21 which are worn by a user on the ears and a body 22. A sound pickup unit 31 collects sounds around the reproducing apparatus 11, and a determination unit 34 extracts future amounts from the collected sound and determines whether the sound corresponds to an operation sound generated when the sound pickup unit 31 is directly tapped by the user. A controller 35 executes a process in accordance with a result of the determination performed by the determination unit 34. For example, when a sound pickup unit 31-1 is tapped once within a predetermined period of time, the controller 35 instructs a reproduction controller 39 to stop reproduction of music. In the reproducing apparatus 11, various function control processes may be performed by a simple operation of tapping the sound pickup unit 31 and buttons are not required. The present invention is applicable to a music player.

摘要翻译： 本发明涉及一种能够以更简单的配置改善可操作性的控制装置，控制方法和程序。 重现声音的再现装置11包括用户在耳朵上佩戴的耳机21和主体22.声音拾取单元31在再现设备11周围收集声音，并且确定单元34从 收集的声音，并且确定声音是否对应于当用户直接敲击声音拾取单元31时产生的操作声音。 控制器35根据由确定单元34执行的确定结果执行处理。例如，当在预定时间段内拾取声音拾取单元31-1一次时，控制器35指示再现控制器39 停止再现音乐。 在再现装置11中，可以通过敲击声音拾取单元31的简单操作来执行各种功能控制处理，并且不需要按钮。 本发明可应用于音乐播放器。

公开(公告)号：US08949119B2

公开(公告)日：2015-02-03

申请号：US13639338

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： G10L21/00

CPC分类号： G10L21/0205 ,  G10L19/0204 ,  G10L19/167 ,  G10L21/0388 ,  G10L25/18

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 high band decoding circuit decodes high band encoded data outputs a coefficient table having coefficients for the respective high band sub-bands, which are specified by a coefficient index obtained as a result of decoding. A decoding high band sub-band power calculation circuit calculates decoded high band sub-band powers for the respective high band sub-bands based on low band signals and the coefficient table, and a decoded high band signal production unit produces decoded high band signals from these decoded high band sub-band powers. At this time, an extension and reduction unit newly produces or deletes coefficients of the coefficient table for the respective sub-bands to correspond to the number of sub-bands of the calculated decoded high band sub-band powers, thereby to extend or reduce the coefficient table. The present invention can be applied to a decoder.

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。 解码高频带编码数据的高频带解码电路输出具有各个高频带子带的系数的系数表，该系数表由作为解码结果而获得的系数索引指定。 解码高频带子频带功率计算电路基于低频带信号和系数表来计算各个高频带子频带的解码的高频带子频带功率，解码的高频带信号产生单元从 这些解码的高带子带功率。 此时，扩展和缩小单元新产生或删除各个子带的系数表的系数，以对应于计算出的解码的高带子带功率的子带的数量，从而扩展或减少 系数表。 本发明可以应用于解码器。

公开(公告)号：US09406312B2

公开(公告)日：2016-08-02

申请号：US13639325

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： G10L21/038 ,  G10L19/16 ,  G10L19/02

CPC分类号： G10L21/0388 ,  G10L19/0204 ,  G10L19/0208 ,  G10L19/167 ,  G10L21/038

摘要： Methods and apparatus for performing signal processing. The signal processing comprises demultiplexing input encoded data into data including information for a segment including frames and coefficient information for a coefficient selected in the frames of the segment, and low band encoded data, decoding the low band encoded data to produce a low band signal, selecting a coefficient of a frame to be processed from a plurality of the coefficients based on the data, calculating a high band sub-band power of a high band sub-band signal of each sub-band constituting a high band signal of the frame to be processed based on a low band sub-band signal of each sub-band constituting the low band signal of the frame to be processed and the selected coefficient, and producing the high band signal of the frame to be processed based on the high band sub-band power and the low band sub-band signal.

摘要翻译： 执行信号处理的方法和装置。 信号处理包括将输入的编码数据解复用为数据，该数据包括用于包含帧的片段的信息和用于在片段的帧中选择的系数的系数信息，以及低频带编码数据，解码低频带编码数据以产生低频带信号， 基于该数据从多个系数中选择要处理的帧的系数，计算构成该帧的高频带信号的每个子带的高频带子带功率的高频带子带功率， 基于构成要处理的帧的低频带信号的每个子带的低频带子信号和所选择的系数进行处理，并且基于高频带子产生要处理的帧的高频带信号 带功率和低频带子信号。

公开(公告)号：US08762135B2

公开(公告)日：2014-06-24

申请号：US12739106

申请日：2009-08-28

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

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

IPC分类号： G10L21/00 ,  G10L19/00

摘要： Provided is a frequency band extension apparatus and method, an encoding apparatus and method, a decoding apparatus and method, and a program. Band-pass filters obtain a plurality of lowband subband signals from an input signal. A frequency envelope extracting circuit extracts a frequency envelope from the plurality of lowband subband signals obtained by the plurality of band-pass filters. A highband signal generating circuit generates highband signal components on the basis of the frequency envelope obtained by the frequency envelope extracting circuit, and the plurality of subband signals obtained by the band-pass filters. A frequency band extension apparatus extends the frequency band of the input signal on the basis of the highband signal components generated by the highband signal generating circuit.