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51. 发明专利

JP2007081814A Waveform data form discriminating method, signal coding method, and apparatus, program, and recording medium using the methods 有权
标题翻译：波形数据形式识别方法，信号编码方法以及使用该方法的装置，程序和记录介质
公开(公告)号：JP2007081814A
公开(公告)日：2007-03-29
申请号：JP2005266825
申请日：2005-09-14
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： MORIYA TAKEHIRO , HARADA NOBORU , KAMAMOTO MASARU
IPC分类号： H03M7/30 , G10L11/00
摘要： PROBLEM TO BE SOLVED: To provide a technology of discriminating a waveform data form and efficiently coding waveform data even when part or all of a storage form of the waveform data is not recognized.
SOLUTION: A waveform data form discriminating method disclosed herein includes the steps of: assuming received digital waveform data to be sample value sequences of a plurality of presetting data forms when the data are recognized to be the waveform data but the storage form of the waveform data is unknown; discriminating likely data of the waveform data by using relationships between sample values of the sample value sequences; determining a data form discriminated to be most likely waveform data as the data form of the received digital waveform data; and coding all or part of the received digital data on the basis of a result of the data form discrimination.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：即使在波形数据的存储形式的一部分或全部不被识别的情况下，提供区分波形数据形式并有效地编码波形数据的技术。解决方案：本文公开的波形数据形式鉴别方法包括以下步骤：当数据被识别为波形数据时，将接收到的数字波形数据作为多个预设数据形式的采样值序列，波形数据未知; 通过使用样本值序列的样本值之间的关系来区分波形数据的可能数据; 确定被识别为最可能的波形数据的数据形式作为所接收的数字波形数据的数据形式; 并根据数据形式辨别的结果对全部或部分接收到的数字数据进行编码。版权所有（C）2007，JPO＆INPIT

52. 发明专利

JP2015055765A 信号処理装置、信号処理方法、プログラム、記録媒体有权
标题翻译：信号处理器，信号处理方法，程序和记录介质
公开(公告)号：JP2015055765A
公开(公告)日：2015-03-23
申请号：JP2013189155
申请日：2013-09-12
申请人：日本電信電話株式会社 , Nippon Telegr & Teleph Corp , 国立大学法人筑波大学 , Univ Of Tsukuba , 国立大学法人筑波大学
发明人： KAMAMOTO MASARU , MORIYA TAKEHIRO , HARADA NOBORU , CHIBA HIRONOBU , MIYABE SHIGEKI , YAMADA TAKESHI , MAKINO SHOJI
IPC分类号： G10L19/26 , G10L25/90
摘要：【課題】出力信号の品質を向上できる信号処理装置を提供する。【解決手段】入力信号のピッチ周期に対応する情報に依存して定まる周波数情報を取得する周波数情報取得部と、入力信号から、周波数情報により特定される周波数以下の成分のピッチを強調した信号であるピッチ強調信号を生成するピッチ強調信号生成部を含み、周波数情報取得部により取得される周波数情報は、入力信号のピッチ周期が短いほど高い周波数に対応する情報である、または、入力信号のピッチ周波数が高いほど高い周波数に対応する情報である。【選択図】図3
摘要翻译：要解决的问题：提供能够提高输出信号质量的信号处理器。解决方案：信号处理器包括：频率信息获取单元，用于获取根据与输入信号的音调周期相对应的信息确定的频率信息; 以及音调增强信号生成单元，用于从输入信号生成音调增强信号，作为其中小于或等于由频率信息指定的频率的分量的音调增强的信号。由频率信息获取单元获取的频率信息是当输入信号的音调周期较短时对应于较高频率的信息，或者当输入信号的音调频率较高时对应于较高频率的信息。

53. 发明专利

JP2014071401A Encoding method, encoding device, decoding method, decoding device, program, and recording medium 有权
标题翻译：编码方法，编码设备，解码方法，解码设备，程序和记录介质
公开(公告)号：JP2014071401A
公开(公告)日：2014-04-21
申请号：JP2012219184
申请日：2012-10-01
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： FUKUI KATSUHIRO , HIWAZAKI YUUSUKE , HARADA NOBORU , MORIYA TAKEHIRO , KAMAMOTO MASARU
IPC分类号： G10L19/035 , G10L19/02
摘要： PROBLEM TO BE SOLVED: To provide an encoding technology for improving a quantization accuracy of a normalized signal sequence with an increase of a small encoding amount.SOLUTION: One step between a gain correction amount code generation step for counting the number of samples in which the magnitude of the sample value of a signal sequence subjected to quantization normalization is larger than a prescribed value or the number of samples in which the magnitude of the sample value of a sequence due to a signal obtained by normalizing an input signal sample is larger than a prescribed value, and generating a gain correction amount code in accordance with the counted number and an error encoding step for generating an error code is performed more preferentially than the other step.
摘要翻译：要解决的问题：提供一种用于提高标准化信号序列的量化精度的编码技术，其具有小的编码量的增加。解决方案：增益校正量代码生成步骤之间的步骤，用于对其中的经过量化标准化的信号序列的样本值的大小大于规定值，或者由于通过归一化输入信号样本获得的信号而导致的序列的采样值的幅度大于规定值，并且根据所计数的数量生成增益校正量代码，并且比其他步骤更优先执行用于生成错误代码的错误编码步骤。

54. 发明专利

JP2014011609A Information transmission system, transmitter, receiver, information transmission method, and program 有权
标题翻译：信息传输系统，发射机，接收机，信息传输方法和程序
公开(公告)号：JP2014011609A
公开(公告)日：2014-01-20
申请号：JP2012146595
申请日：2012-06-29
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社 , Ritsumeikan , 学校法人立命館
发明人： SHIRAKI YOSHIFUMI , KAMAMOTO MASARU , SATO TAKASHI , GABRIELE PABLO NAVA , MORIYA TAKEHIRO , YAMAUCHI HIROKI , IZUMI TOMONORI , FUKUMIZU YOHEI
IPC分类号： H04B10/116 , H04B10/075 , H04N5/225 , H04N7/18
摘要： PROBLEM TO BE SOLVED: To facilitate recognition of a status in image.SOLUTION: An information transmission system 1 includes: a transmitter 10; and a receiver 20. The transmitter 10 transmits information to the receiver 20 by using visible light. A sound collecting unit 110 collects and converts ambient sound into an audio signal. A modulating unit 120 generates a modulated signal by modulating a transmission signal generated on the basis of the audio signal. A light emitting unit 130 sends a visible light signal in accordance with the modulated signal. A picture processing unit 210 detects the visible light signal in a picture including a visible light signal. A decoding unit 220 generates a reception signal by decoding the visible light signal. A pronouncing unit 230 pronounces a reproduction signal generated on the basis of the reception signal.
摘要翻译：要解决的问题：便于识别图像中的状态。解决方案：信息传输系统1包括：发射机10; 和接收机20.发射机10通过使用可见光将信息发送到接收机20。声音收集单元110将环境声音收集并转换成音频信号。调制单元120通过调制基于音频信号产生的发送信号来生成调制信号。发光单元130根据调制信号发送可见光信号。图像处理单元210检测包括可见光信号的图像中的可见光信号。解码单元220通过对可见光信号进行解码来生成接收信号。发音单元230发出基于接收信号生成的再现信号。

55. 发明专利

JP2013239852A Compressed signal restoration device, method and program 有权
标题翻译：压缩信号恢复装置，方法和程序
公开(公告)号：JP2013239852A
公开(公告)日：2013-11-28
申请号：JP2012110904
申请日：2012-05-14
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： SHIRAKI YOSHIFUMI , KAMAMOTO MASARU , SATO TAKASHI , GABRIELE PABLO NAVA , MORIYA TAKEHIRO
IPC分类号： H03M7/36 , G08C17/00
摘要： PROBLEM TO BE SOLVED: To provide technology for restoring a compressed signal having signals on a plurality of channels compressed therein, even when a common signal does not strictly match between each channel.SOLUTION: On the basis of a signal model in which an amplitude coefficient and a group delay are taken into account along with a common signal, these two factors are estimated for each channel. A compressed signal yis restored for each channel to original signals (temporary restored signals), and an amplitude coefficient aand a group delay bindicating the magnitude of a relative amplitude and the amount of a delay with regard to the common signal are calculated from temporary restored signals s to. Then, the frequency domain expression of the common signal is calculated by using the compressed signal y, the amplitude coefficient aand the group delay b, and a difference ybetween the compressed signal yand the common signal is obtained by using the compressed signal y, the amplitude coefficient a, the group delay band a frequency domain expression x'of the common signal. Further, the difference yis restored to obtain s', and an estimate value s'of the original signal is obtained by a sum of the s'and the time domain expression of the common signal.
摘要翻译：要解决的问题：即使当公共信号在每个通道之间不严格匹配时，提供恢复在其上压缩的多个信道上具有信号的压缩信号的技术。解决方案：基于信号模型，其中幅度系数并且考虑到一个公共信号的群延迟，这两个因素是针对每个信道估计的。压缩信号y被恢复为原始信号（临时恢复信号），并且从暂时恢复的信号计算幅度系数a和组合相对幅度幅度和相对于公共信号的延迟量的组延迟到了然后，通过使用压缩信号y，振幅系数a和群延迟b来计算公共信号的频域表达式，并且通过使用压缩信号y获得压缩信号y与公共信号之间的差y，振幅系数a，群延迟带的公共信号的频域表达式x'。此外，差异y被恢复以获得s'，并且通过s'和公共信号的时域表达式的和来获得原始信号的估计值s'。

56. 发明专利

JP2013137574A Encoding method, decoding method, encoding device, decoding device, program and recording medium 有权
标题翻译：编码方法，解码方法，编码设备，解码设备，程序和记录介质
公开(公告)号：JP2013137574A
公开(公告)日：2013-07-11
申请号：JP2013066677
申请日：2013-03-27
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： MORIYA TAKEHIRO , HARADA NOBORU , KAMAMOTO MASARU
IPC分类号： G10L19/22 , G10L19/09 , G10L19/12 , G10L19/24 , H03M7/40
CPC分类号： G10L19/09
摘要： PROBLEM TO BE SOLVED: To improve compression efficiency.SOLUTION: In an encoding process, a pitch period corresponding to a time series signal included in a predetermined time interval is calculated; a code corresponding to the pitch period is output; and at the moment, depending on whether or not an index indicating the level of periodicity and/or constancy of the time series signal satisfies a condition representing high periodicity and/or constancy or a condition representing low periodicity and/or constancy, the accuracy for representing the pitch period and/or the encoding system of the pitch period are changed. On the other hand, in a decoding process, a code corresponding to a predetermined time interval is input; and depending on whether or not an index indicating the level of periodicity and/or constancy included in the code or obtained from the code satisfies a condition representing high periodicity and/or constancy, the decoding system of the code corresponding to the pitch period included in the code is changed, the code corresponding to the pitch period is decoded, and the pitch period corresponding to the predetermined time interval is obtained.
摘要翻译：要解决的问题：提高压缩效率。解码：在编码处理中，计算与预定时间间隔中包括的时间序列信号相对应的音调周期; 输出与音调周期对应的码; 此时，取决于表示时间序列信号的周期性和/或恒定性的指标是否满足表示高周期性和/或恒定性的条件或表示低周期性和/或恒定性的条件，其精度为表示音调周期和/或音调周期的编码系统被改变。另一方面，在解码处理中，输入对应于预定时间间隔的代码; 并且取决于代码中包含的或从代码获得的指示水平的周期性和/或恒定性的指标是否满足表示高周期性和/或恒定性的条件，与包括在内的音调周期的代码对应的解码系统代码改变，对应于音调周期的代码被解码，并且获得与预定时间间隔相对应的音调周期。

57. 发明专利

JP2013130885A Encoding method, decoding method, apparatus thereof, program, and recording medium 有权
标题翻译：编码方法，解码方法，其设备，程序和记录介质
公开(公告)号：JP2013130885A
公开(公告)日：2013-07-04
申请号：JP2013052792
申请日：2013-03-15
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： KAMAMOTO MASARU , HARADA NOBORU , MORIYA TAKEHIRO
IPC分类号： G10L19/06 , G10L19/13 , G10L19/18 , H03M7/40
CPC分类号： G10L19/06
摘要： PROBLEM TO BE SOLVED: To improve an encoding compressibility of PARCOR (partial autocorrelation) coefficients obtained by a linear prediction analysis of time-series signals.SOLUTION: The encoding method includes: when an absolute value of a primary PARCOR coefficient becomes a predetermined threshold or more, selecting a first variable-length coding method as an encoding method for generating a code corresponding to a secondary PARCOR coefficient; when the absolute value of the primary PARCOR coefficient becomes less than the threshold, selecting a second variable-length coding method that is different from the first variable-length coding method as the encoding method for generating a code corresponding to the secondary PARCOR coefficient; and encoding a secondary quantized PARCOR coefficient obtained by quantizing the secondary PARCOR coefficient, using the selected encoding method, and generating the code corresponding to the secondary PARCOR.
摘要翻译：要解决的问题：提高通过时间序列信号的线性预测分析获得的PARCOR（部分自相关）系数的编码压缩率。解码：编码方法包括：当主PARCOR系数的绝对值变为预定阈值时，另外，选择第一可变长度编码方法作为用于生成与二次PARCOR系数对应的代码的编码方法; 当主PARCOR系数的绝对值变得小于阈值时，选择与第一可变长度编码方法不同的第二可变长度编码方法作为用于生成对应于二次PARCOR系数的代码的编码方法; 以及使用所选择的编码方法对通过量化二次PARCOR系数而获得的二次量化PARCOR系数进行编码，以及生成与二次PARCOR相对应的代码。

58. 发明专利

JP2013126068A Visible light communication transmission and reception method, visible light communication transmitting device, visible light communication receiving device, and program 有权
标题翻译：可见光通信传输和接收方法，可见光通信发射设备，可见光通信接收设备和程序
公开(公告)号：JP2013126068A
公开(公告)日：2013-06-24
申请号：JP2011273166
申请日：2011-12-14
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： SHIRAKI YOSHIFUMI , KAMAMOTO MASARU , SATO TAKASHI , MORIYA TAKEHIRO
IPC分类号： H04B10/516 , H04B10/11 , H04B10/40 , H04B10/50 , H04B10/60 , H04B10/61
摘要： PROBLEM TO BE SOLVED: To provide a visible light communication transmission and reception method capable of transmitting and receiving a transmission signal using the same transmitting device even when a receiving device with sufficient processing speed and a receiving device with insufficient processing speed are mixed.SOLUTION: A transmitting device 11 includes a light-emitting element 100, a modulation unit 110, a modulation result rearrangement unit 120, and a visible light emission control unit 130. The modulation unit 110 modulates a transmission signal. The modulation result rearrangement unit 120 rearranges modulation signals. The visible light emission control unit 130 controls the light-emitting element 100 to output a visible light signal. A receiving device 21 includes a light-receiving element 200, a visible light reception control unit 210, a light reception result rearrangement unit 220, and a demodulation unit 230. The visible light reception control unit 210 receives a visible light signal using the light-receiving element. The light reception result rearrangement unit 220 rearranges reception rearrangement signals. The demodulation unit 230 demodulates and outputs a reception modulation signal.
摘要翻译：要解决的问题：即使当具有足够的处理速度的接收装置和处理速度不足的接收装置被混合时，提供能够使用相同的发送装置发送和接收发送信号的可见光通信发送和接收方法。解决方案：发送装置11包括发光元件100，调制单元110，调制结果重排单元120和可见光发射控制单元130.调制单元110调制发送信号。调制结果重排单元120重新调整调制信号。可见光发射控制单元130控制发光元件100输出可见光信号。接收装置21包括受光元件200，可见光接收控制单元210，光接收结果重排单元220和解调单元230.可见光接收控制单元210使用发光装置接收可见光信号，接收元件。光接收结果重排单元220重新布置接收重排信号。解调单元230对接收调制信号进行解调并输出。版权所有（C）2013，JPO＆INPIT

59. 发明专利

JP2013110763A Encoding method, encoding device, program, and recording medium 有权
标题翻译：编码方法，编码设备，程序和记录介质
公开(公告)号：JP2013110763A
公开(公告)日：2013-06-06
申请号：JP2013027432
申请日：2013-02-15
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： HARADA NOBORU , KAMAMOTO MASARU , MORIYA TAKEHIRO
IPC分类号： H03M7/40
CPC分类号： H03M7/40
摘要： PROBLEM TO BE SOLVED: To provide encoding technology which can restrict an increase in frame code length.SOLUTION: An integral value sequence is accepted as input, and a plurality of code tables are predetermined in which [1] codes corresponding to integers (prescribed integers) and [2] codes corresponding to a plurality of integer sets other than the prescribed integers (extension codes) are recorded. Encoding is executed in such a way that when an integral value in the integral value sequence which is to be encoded is a prescribed integer, a code corresponding to the prescribed integer is made to be a code resulting from encoding, and that when an integral value in the integral value sequence which is to be encoded is not a prescribed integer, an extension code and a code coupled with a code obtained by applying a predetermined encoding method for the extension code to the integral value to be encoded are made to be codes resulting from encoding. In this encoding, a code table whose total code amount is minimum for each frame having a prescribed number of integral values put together therein is selected from the plurality of code tables, and a code to identify the selected code table is also output as the result of encoding.
摘要翻译：要解决的问题：提供可以限制帧码长度增加的编码技术。
解决方案：积分值序列被接受为输入，并且预定了多个代码表，其中对应于除了该代码表之外的多个整数集的整数（规定的整数）和[2]代码的[1] 记录规定的整数（扩展码）。执行编码，使得当要编码的积分值序列中的积分值是规定的整数时，将与规定的整数相对应的代码作为由编码产生的代码，而当积分值要被编码的积分值序列不是规定的整数，扩展码和与通过将扩展码的预定编码方法应用于要编码的积分值而获得的代码相结合的代码被作为代码来自编码。在该编码中，从多个代码表中选择其中包含规定数量的积分值的每帧的总代码量最小的代码表，并且还输出用于识别所选代码表的代码作为结果的编码。版权所有（C）2013，JPO＆INPIT

60. 发明专利

JP2012157067A Encoding method, encoder, decoding method, decoder, program, and recording media 有权
标题翻译：编码方法，编码器，解码方法，解码器，程序和记录媒体
公开(公告)号：JP2012157067A
公开(公告)日：2012-08-16
申请号：JP2012093208
申请日：2012-04-16
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： HARADA NOBORU , KAMAMOTO MASARU , MORIYA TAKEHIRO
IPC分类号： H03M7/40 , G10L19/00 , H04N1/41
CPC分类号： H03M7/40
摘要： PROBLEM TO BE SOLVED: To provide an encoding technology capable of suppressing increase in a code length of a frame.SOLUTION: A code corresponding to an integer (specified integer) which is equal to or larger than 0 and less than a predetermined value, a code (expanded code) corresponding to a plurality of set of integers of a predetermined value or larger, and an encoding method (expanded encoding method) corresponding to an encoded code, are predetermined. The expanded encoding method is such an encoding method in which the code length of the code assigned to an integer value is, simple non-decreasing function value of an integer value. If the integer value which is an object to be encoded in an integer value series corresponds to the specified integer, a code that corresponds to the specified integer is taken as a code of encoding result. If the integer value to be encoded is equal to or larger than a predetermined value, the integer value that is converted with a mapping function, which so maps that a predetermined value corresponds to a minimum value in a definition area of the input of the expanded encoding method, is inputted in the expanded encoding method, to obtain a code. The expanded code and the code obtained by the expanded encoding method are connected together to provide a code, which is taken as a code of the encoding result.
摘要翻译：要解决的问题：提供能够抑制帧的码长增加的编码技术。解决方案：对应于等于或大于0且小于预定值的整数（指定整数）的代码，对应于预定值或更大的多个整数集合的代码（扩展代码），以及与编码码对应的编码方式（扩展编码方式）。扩展编码方法是这样的编码方法，其中分配给整数值的代码的代码长度是整数值的简单非递减函数值。如果作为整数值序列编码的对象的整数值对应于指定的整数，则将与指定整数对应的代码作为编码结果的代码。如果要编码的整数值等于或大于预定值，则使用映射函数转换的整数值，其将映射到预定值的扩展的输入的定义区域中的最小值编码方法，以扩展编码方式输入，以获得代码。扩展代码和通过扩展编码方法获得的代码被连接在一起以提供代码，其被作为编码结果的代码。版权所有（C）2012，JPO＆INPIT

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