公开(公告)号：US08576927B2

公开(公告)日：2013-11-05

申请号：US13061971

申请日：2009-10-07

申请人： Noboru Harada ,  Yutaka Kamamoto ,  Takehiro Moriya

发明人： Noboru Harada ,  Yutaka Kamamoto ,  Takehiro Moriya

IPC分类号： H04B14/04

CPC分类号： H03M7/50 ,  G10L19/0017

摘要： A frame formed of a plurality of code words encoded with an encoding mode in which two different types of code words are assigned one-to-one to two smallest quantization intervals is checked to determine whether it contains just the two types of code words assigned to the two smallest quantization intervals, and lossless encoding is applied to the frame containing just the two types of code words. A code obtained by this lossless encoding is decoded with a decoding method corresponding to the lossless encoding.

摘要翻译： 检查由多个编码模式形成的帧，其中两种不同类型的码字分配一对一到两个最小量化间隔的编码模式，以确定它是否仅包含分配给 将两个最小的量化间隔和无损编码应用于仅包含两种类型的码字的帧。 通过该无损编码获得的代码用对应于无损编码的解码方法解码。

公开(公告)号：US08341197B2

公开(公告)日：2012-12-25

申请号：US12518789

申请日：2007-12-28

申请人： Noboru Harada ,  Takehiro Moriya ,  Yutaka Kamamoto

发明人： Noboru Harada ,  Takehiro Moriya ,  Yutaka Kamamoto

IPC分类号： G06F12/00 ,  G06F15/16

CPC分类号： G06F17/30076 ,  G06F17/30123

摘要： In encoding for putting one or more files and/or one or more files in a folder into a single archive file, original hierarchy information and standard hierarchy information generated by converting characters in a special character coding in each file name to characters in a standard character coding are recorded in the archive file. If the character coding used in the original hierarchy information in the archive file cannot be used in the system environment used in decoding, a file name in the standard character coding is generated from the standard hierarchy information and is converted to a character coding that can be used in the system environment.

摘要翻译： 在将文件夹中的一个或多个文件和/或一个或多个文件放入单个归档文件的编码中，通过将每个文件名中的特殊字符编码中的字符转换为标准字符中的字符而生成的原始层级信息和标准层级信息 编码被记录在归档文件中。 如果归档文件中的原始层级信息中使用的字符编码不能在解码中使用的系统环境中使用，则从标准层级信息生成标准字符编码中的文件名，并将其转换成可以是 用于系统环境。

公开(公告)号：US20120265525A1

公开(公告)日：2012-10-18

申请号：US13518525

申请日：2011-01-07

申请人： Takehiro Moriya ,  Noboru Harada ,  Yutaka Kamamoto

发明人： Takehiro Moriya ,  Noboru Harada ,  Yutaka Kamamoto

IPC分类号： G10L19/00

CPC分类号： G10L19/09 ,  G10L19/032

摘要： In encoding, pitch periods for time series signals in a predetermined time interval are calculated, and a code corresponding thereto is output. In that encoding, the resolutions for expressing the pitch periods and/or a pitch period encoding mode are switched according to whether an index indicating a periodicity and/or stationarity level of the time series signals satisfies a condition indicating high or low in periodicity and/or stationarity. In that decoding, according to whether an index indicating a periodicity and/or stationarity level, the index being included in or obtained from an input code corresponding to the predetermined time interval, satisfies a condition indicating high periodicity and/or stationarity, a decoding mode for a code, included in the input code, corresponding to pitch periods is switched to decode the code corresponding to the pitch periods to obtain the pitch periods corresponding to the predetermined time interval.

摘要翻译： 在编码中，计算预定时间间隔中的时间序列信号的音调周期，并且输出与之对应的代码。 在该编码中，用于表示音调周期和/或音调周期编码模式的分辨率根据指示时间序列信号的周期性和/或平稳性水平的指标是否满足周期性的高或低的条件和/ 或平静。 在该解码中，根据指示周期性和/或平稳度水平的索引，包括在与预定时间间隔相对应的输入代码中或从与预定时间间隔相对应的输入代码获得的索引满足指示高周期性和/或平稳性的条件，解码模式 切换包括在输入代码中的对应于音调周期的代码，以对与音调周期相对应的代码进行解码，以获得与预定时间间隔对应的音调周期。

公开(公告)号：US08160870B2

公开(公告)日：2012-04-17

申请号：US13049442

申请日：2011-03-16

申请人： Takehiro Moriya ,  Noboru Harada ,  Yutaka Kamamoto ,  Takuya Nishimoto ,  Shigeki Sagayama

发明人： Takehiro Moriya ,  Noboru Harada ,  Yutaka Kamamoto ,  Takuya Nishimoto ,  Shigeki Sagayama

IPC分类号： G10L19/04

CPC分类号： G10L19/0017 ,  G10L19/08 ,  G10L19/09

摘要： A method and apparatus multiplies a past sample a time lag τ older than a current sample by a quantized multiplier ρ′ on a frame by frame basis, subtracts the multiplication result from the current sample, codes the subtraction result, and codes the time lag using a fixed-length coder if the multiplier ρ′ is smaller than 0.2 or if information about the previous frame is unavailable, or codes the time lag using a variable-length coder if ρ′ is not smaller than 0.2. A multiplier ρ is coded by a multiplier coder and the multiplier ρ′ obtained by decoding the multiplier ρ is outputted. The process is performed for each frame.

摘要翻译： 一种方法和装置将一个比当前样本更早的时间滞后τ乘以一个逐帧的量化乘法器，从当前采样中减去相乘结果，对相减结果进行编码，并对时间滞后进行编码 如果乘数＆rgr''小于0.2，或者如果关于前一帧的信息不可用，则使用固定长度编码器，如果＆rgr;'不小于0.2，则使用可变长度编码器对时间延迟进行编码。 乘法器 由乘法器编码器和乘法器＆rgr;'通过对乘法器＆rgr进行解码获得; 被输出。 对每个帧执行该过程。

公开(公告)号：US10515643B2

公开(公告)日：2019-12-24

申请号：US14007844

申请日：2012-03-26

申请人： Takehiro Moriya ,  Noboru Harada ,  Yutaka Kamamoto ,  Yusuke Hiwasaki ,  Masahiro Fukui

发明人： Takehiro Moriya ,  Noboru Harada ,  Yutaka Kamamoto ,  Yusuke Hiwasaki ,  Masahiro Fukui

IPC分类号： G10L19/008 ,  G10L19/16 ,  G10L19/24 ,  G10L19/02 ,  G10L21/038 ,  G10L19/005 ,  G10L19/032 ,  G10L19/00 ,  G10L19/035 ,  G10L19/038

摘要： In encoding, a frequency-domain sample sequence derived from an acoustic signal is divided by a weighted envelope and is then divided by a gain, the result obtained is quantized, and each sample is variable-length encoded. The error between the sample before quantization and the sample after quantization is quantized with information saved in this variable-length encoding. This quantization is performed under a rule that specifies, according to the number of saved bits, samples whose errors are to be quantized. In decoding, variable-length codes in an input sequence of codes are decoded to obtain a frequency-domain sample sequence; an error signal is further decoded under a rule that depends on the number of bits of the variable-length codes; and from the obtained sample sequence, the original sample sequence is obtained according to supplementary information.

公开(公告)号：US20140019145A1

公开(公告)日：2014-01-16

申请号：US14007844

申请日：2012-03-26

申请人： Takehiro Moriya ,  Noboru Harada ,  Yutaka Kamamoto ,  Yusuke Hiwasaki ,  Masahiro Fukui

发明人： Takehiro Moriya ,  Noboru Harada ,  Yutaka Kamamoto ,  Yusuke Hiwasaki ,  Masahiro Fukui

IPC分类号： G10L19/005

摘要： In encoding, a frequency-domain sample sequence derived from an acoustic signal is divided by a weighted envelope and is then divided by a gain, the result obtained is quantized, and each sample is variable-length encoded. The error between the sample before quantization and the sample after quantization is quantized with information saved in this variable-length encoding. This quantization is performed under a rule that specifies, according to the number of saved bits, samples whose errors are to be quantized. In decoding, variable-length codes in an input sequence of codes are decoded to obtain a frequency-domain sample sequence; an error signal is further decoded under a rule that depends on the number of bits of the variable-length codes; and from the obtained sample sequence, the original sample sequence is obtained according to supplementary information.

摘要翻译： 在编码中，将从声信号导出的频域采样序列除以加权包络，然后将其除以增益，对所获得的结果进行量化，并且对每个采样进行可变长度编码。 在量化之前的样本与量化后的样本之间的误差用保存在该可变长度编码中的信息进行量化。 该量化是根据规定的，根据保存的比特数来指定其量化的错误的样本。 在解码中，对输入的代码序列中的可变长度代码进行解码以获得频域样本序列; 在取决于可变长度代码的位数的规则下进一步解码错误信号; 从获得的样本序列中，根据补充信息获得原始样本序列。

公开(公告)号：US20130311192A1

公开(公告)日：2013-11-21

申请号：US13981125

申请日：2012-01-18

申请人： Takehiro Moriya ,  Noboru Harada ,  Yusuke Hiwasaki ,  Yutaka Kamamoto

发明人： Takehiro Moriya ,  Noboru Harada ,  Yusuke Hiwasaki ,  Yutaka Kamamoto

IPC分类号： G10L19/04

CPC分类号： G10L19/04 ,  G10L19/0212 ,  G10L25/90

摘要： An encoding technique encoding a sound signal at a low bit rate with reduced processing. The technique includes: an interval determination determining an interval T between samples corresponding to periodicity of an audio signal or an integer multiple of a fundamental frequency of the audio signal from a set S of candidates for the interval T; and a side information generating encoding the determined interval T to obtain side information. The interval determining determines the interval T from a set S of Y candidates (Y

摘要翻译： 一种编码技术，以较低的比特率编码声音信号，减少处理。 该技术包括：间隔确定，确定对应于音频信号的周期性的样本之间的间隔T或来自间隔T的候选的集合S的音频信号的基频的整数倍; 以及生成对确定的间隔T进行编码以获得侧信息的侧信息。 间隔确定确定从包含Z候选的Z候选（Z2

公开(公告)号：US08502708B2

公开(公告)日：2013-08-06

申请号：US13132418

申请日：2009-12-08

申请人： Takehiro Moriya ,  Noboru Harada ,  Yutaka Kamamoto

发明人： Takehiro Moriya ,  Noboru Harada ,  Yutaka Kamamoto

IPC分类号： H03M7/34

CPC分类号： H03M7/40

摘要： Information that includes first information identifying integer quotients obtained by divisions using prediction residuals or integers not smaller than 0 that increase monotonically with increases in the amplitude of the prediction residuals, as dividends, and a separation parameter decided for a time segment corresponding to the prediction residuals or a mapped integer value of the separation parameter, as a modulus, and second information identifying the remainders obtained when the dividends are divided by the modulus is generated as a code corresponding to the prediction residuals, and each piece of side information that includes the separation parameter is subjected to variable length coding.

摘要翻译： 信息，其包括识别使用预测残差或不小于0的整数，通过预测残差的幅度增加而单调增加的分割获得的整数商的第一信息，作为分红，以及对于与预测残差对应的时间段所决定的分离参数 或作为模数的分离参数的映射的整数值，以及识别当分配除以模数时获得的余数的第二信息被生成为与预测残差相对应的代码，并且包括分离的每条副信息 参数经过可变长度编码。

公开(公告)号：US08068042B2

公开(公告)日：2011-11-29

申请号：US12746275

申请日：2008-12-11

申请人： Noboru Harada ,  Takehiro Moriya ,  Yutaka Kamamoto

发明人： Noboru Harada ,  Takehiro Moriya ,  Yutaka Kamamoto

IPC分类号： H03M7/34 ,  H03M7/38

CPC分类号： G10L19/06 ,  G10L19/04

摘要： An object of the present invention is to achieve high coding efficiency for a companded signal sequence and reduce the amount of codes. A coding method according to the present invention includes an analysis step and a signal sequence transformation step. The analysis step is to check whether or not there is a number that is included in a particular range but does not occur in a second signal sequence (a number sequence that indicates the magnitude (magnitude relationship) of original signals) and output information that indicates the number that does not occur. The signal sequence transformation step is to output a transformed second signal sequence (which is formed by assigning new numbers to indicate the magnitudes of original signals (the magnitude relationship among original signals) excluding the magnitude of the original signal indicated by the number that does not occur and replacing the numbers in the second signal sequence with the newly assigned numbers) in the case where it is determined in the analysis step that there is a number that does not occur. The particular range is defined as a number that indicates a positive value having a minimum absolute value and a number that indicates a negative value having a minimum absolute value, for example.

摘要翻译： 本发明的目的是为了实现压缩信号序列的高编码效率并减少代码量。 根据本发明的编码方法包括分析步骤和信号序列变换步骤。 分析步骤是检查是否存在包含在特定范围内但不在第二信号序列（指示原始信号的幅度（幅度关系）的数字序列）中的数字）和指示 不发生的数字。 信号序列变换步骤是输出经变换的第二信号序列（其通过分配新的数字来指示原始信号的幅度（原始信号之间的幅度关系），不包括由不是的数字表示的原始信号的幅度 在分析步骤中确定存在没有发生的数字的情况下，发生并替换具有新分配的号码的第二信号序列中的数字）。 特定范围被定义为例如指示具有最小绝对值的正值和表示具有最小绝对值的负值的数字的数字。

公开(公告)号：US20110274165A1

公开(公告)日：2011-11-10

申请号：US13143554

申请日：2010-01-22

申请人： Takehiro Moriya ,  Noboru Harada ,  Yutaka Kamamoto

发明人： Takehiro Moriya ,  Noboru Harada ,  Yutaka Kamamoto

IPC分类号： H04N7/32

CPC分类号： H03M7/40

摘要： Provided that a first segment is an earliest time segment included in a discrete time segment, and a second segment is a time segment subsequent to the first segment, a positive second-segment parameter that corresponds to a weakly monotonically increasing function value of an average amplitude of prediction residuals in a time segment including the second segment is used as a parameter for variable length coding of prediction residuals in the second segment. In addition, a value that corresponds to a weakly monotonically increasing function value of the sum of the second-segment parameter and a positive additional value that corresponds to an index representing the prediction effectiveness of time-series signals in the time segment including the second segment is used as a parameter for variable length coding of the prediction residual at a certain discrete time in the first segment.

摘要翻译： 假设第一段是包括在离散时间段中的最早时间段，并且第二段是第一段之后的时间段，则对应于平均幅度的弱单调递增函数值的正的第二段参数 使用包括第二段的时间段中的预测残差作为第二段中的预测残差的可变长度编码的参数。 另外，对应于第二段参数和正值附加值之和的弱单调增加函数值的值，该正值附加值对应于表示包括第二段的时间段中的时间序列信号的预测有效性的指标 被用作第一段中某个离散时间的预测残差的可变长度编码的参数。