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1.发明授权Apparatus for high-speed recording compressed digital audio data with two dimensional blocks and its compressing parameters 失效用于高速记录具有二维块的压缩数字音频数据及其压缩参数的装置
公开(公告)号：US5548574A
公开(公告)日：1996-08-20
申请号：US205319
申请日：1994-03-03
CPC分类号： G11B20/00007 , G10L19/0208 , G10L19/022 , G11B20/10527 , H03G9/025 , H04B1/665
摘要： Methods and apparatus for recording, reproducing, transmitting and/or receiving compressed data, and a recording medium therefor, utilize frequency dividing filters for dividing the frequency range of digital signals into plural frequency bands, orthogonal transform circuits for producing signal components in plural two-dimensional blocks along time and frequency, an adaptive bit allocation and encoding circuit for quantizing and compressing the information for each two-dimensional block and a bit allocation and calculating circuit. When recording the information together with information compressing parameters for each two-dimensional block, the information compressing parameters for at least two two-dimensional blocks are recorded collectively to avoid complicacy in the structure of the sampling frequency signal generating circuits or the like otherwise caused in case of providing plural sampling frequencies as well as to prevent an increase in hardware scale.
摘要翻译： 用于记录，再现，发送和/或接收压缩数据的方法和装置及其记录介质利用分频滤波器将数字信号的频率范围分成多个频带，用于产生多个二维信号的信号分量的正交变换电路， 时间和频率的三维块，用于量化和压缩每个二维块的信息的自适应位分配和编码电路以及位分配和计算电路。 当将信息与每个二维块的信息压缩参数一起记录时，集中记录至少两个二维块的信息压缩参数，以避免在采样频率信号发生电路等的结构中复杂化 提供多个采样频率以及防止硬件规模增加的情况。
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2.发明授权Length of a processing block is rendered variable responsive to input signals 失效响应于输入信号，可以使处理块的长度变化
公开(公告)号：US5819214A
公开(公告)日：1998-10-06
申请号：US803530
申请日：1997-02-20
摘要： In a recording/reproducing or transmitting/receiving device for compressed data the temporal size of a processing block during the compression process is rendered variable responsive to larger amplitude changes in the input signals. The device includes power calculating circuits for calculating the masking effect on a processing block based on amplitude changes in the waveform on the time axis of various frequency bands of the processing block and based on the power of a processing block(s) other than the subject processing block. A primary block size decision circuit and a block size correction circuit are utilized to determine the temporal size of the subject processing block.
摘要翻译： 在用于压缩数据的记录/再现或发送/接收装置中，压缩处理期间的处理块的时间尺寸响应于输入信号中较大幅度的变化而变化。 该装置包括功率计算电路，用于基于处理块的各个频带的时间轴上的波形的幅度变化，并且基于除了被摄体之外的处理块的功率来计算对处理块的掩蔽效应 处理块。 使用主块大小决定电路和块大小校正电路来确定对象处理块的时间大小。
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3.发明授权Encoding method and apparatus for bit compressing digital audio signals and recording medium having encoded audio signals recorded thereon by the encoding method 失效用于对数字音频信号进行位压缩的编码方法和装置以及通过编码方法记录在其上的具有编码音频信号的记录介质
公开(公告)号：US5590108A
公开(公告)日：1996-12-31
申请号：US240234
申请日：1994-05-10
CPC分类号： G11B20/00007 , H04B1/667 , G11B11/10502
摘要： A method for encoding audio signals includes dividing input audio signals into a two-dimensional block of time and frequency and quantizing the two-dimensional blocks based upon bit allocation as determined for each of the two-dimensional blocks. Scale factors are calculated indicating characteristics of signal components for each of the plural two-dimensional blocks, and bit allocations are determined for a pre-set one of the two-dimensional blocks based upon the scale factor of the pre-set two-dimensional block and plural scale factors of plural ones of the two-dimensional blocks neighboring to said pre-set two-dimensional block on the frequency axis.
摘要翻译： 用于对音频信号进行编码的方法包括将输入音频信号划分成时间和频率的二维块，并且基于为每个二维块确定的比特分配来量化二维块。 计算缩放因子，其指示多个二维块中的每一个的信号分量的特征，并且基于预设二维块的比例因子为二维块中的预设一个确定位分配 以及在频率轴上与所述预设二维块相邻的二维块中的多个的多个比例因子。
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4.发明授权Device for recording and /or reproducing or transmitting and/or receiving compressed data 失效用于记录和/或再现或发送和/或接收压缩数据的装置
公开(公告)号：US5761642A
公开(公告)日：1998-06-02
申请号：US207947
申请日：1994-03-08
CPC分类号： G11B20/00007 , G11B20/10527 , G11B20/18 , H04B1/667
摘要： A device for recording and/or reproducing or transmitting and/or receiving compressed data includes decoding circuits 31 to 33 for performing expansion during the compression process is disclosed. An error produced during the compression process is calculated by an input/output error calculating circuit 41 from the input data and data compressed by adaptive bit allocation encoding circuits 22 to 24 and expanded by the decoding circuits 31 to 33, and bit allocation is again calculated on the basis of the error produced during the compression process, with the input data remaining as it is. The bit allocation re-calculated in this manner is quantized by the encoding circuits 22 to 24. Besides, data annulling the error produced during the compression process is formulated by the input/output error calculating circuit 41 and summed to the input signals for subsequent quantization. Compressed signals suited to the input signals may be obtained even if the model for the auditory sense or constants occasionally employed are not suited to the input signals, or if the input signals are unanticipated signals.
摘要翻译： 用于记录和/或再现或发送和/或接收压缩数据的装置包括用于在压缩处理期间执行扩展的解码电路31至33。 通过输入/输出误差计算电路41根据输入数据和由自适应位分配编码电路22至24压缩的数据并由解码电路31至33进行扩展，计算压缩过程中产生的误差，并再次计算位分配 基于压缩过程中产生的错误，输入数据保持原样。 以这种方式重新计算的比特分配由编码电路22至24量化。此外，由压缩处理产生的误差的数据由输入/输出误差计算电路41表示，并且与用于后续量化的输入信号相加 。 即使偶尔使用的听觉或常数的模型不适合于输入信号，或者输入信号是意料之外的信号，也可以获得适合输入信号的压缩信号。
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5.发明授权公开(公告)号：US08719040B2
公开(公告)日：2014-05-06
申请号：US11904023
申请日：2007-09-25
申请人： Mitsunori Tanaka , Mamoru Tanaka , Makoto Mitsuno , Masashi Ohta
发明人： Mitsunori Tanaka , Mamoru Tanaka , Makoto Mitsuno , Masashi Ohta
CPC分类号： G10L19/173
摘要： A signal processing apparatus may include a decoder that decodes a compressed audio stream encoded by a predetermined codec, a signal processing unit that applies predetermined signal processing to an audio stream obtained by decoding the compressed audio stream with the decoder, a first acquisition unit that acquires at least one of information described in a header of the compressed audio stream and management information for contents including the compressed audio stream, a setting unit that discriminates, on the basis of the information, a type of the codec used for the encode of the compressed audio stream and sets a codec used for encode of the audio stream, and an encoder that encodes, in accordance with the setting by the setting unit, the audio stream subjected to the signal processing by the signal processing unit and outputs the audio stream to an external apparatus that has a decoder.
摘要翻译： 信号处理装置可以包括解码器，其对由预定编解码器编码的压缩音频流进行解码;信号处理单元，对通过解码器对压缩音频流进行解码而获得的音频流应用预定的信号处理;第一获取单元， 在压缩音频流的标题中描述的信息和包括压缩音频流的内容的管理信息中的至少一个信息，设置单元，其基于该信息鉴别用于编码压缩的音频流的编解码器的类型 音频流并且设置用于音频流的编码的编解码器，以及编码器，其根据设置单元的设置对经过信号处理单元的信号处理的音频流进行编码，并将音频流输出到 具有解码器的外部设备。
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6.发明申请Data recording and reproducing apparatus, method of recording and reproducing data, and program therefor 失效数据记录和再现装置，记录和再现数据的方法及其程序公开(公告)号：US20070179649A1
公开(公告)日：2007-08-02
申请号：US11529868
申请日：2006-09-29
申请人： Makoto Mitsuno
发明人： Makoto Mitsuno
IPC分类号： G06F17/00
CPC分类号： G11B27/28 , G11B20/10527 , G11B27/005 , G11B2020/10574 , G11B2020/10675 , G11B2020/10962 , G11B2220/2504 , G11B2220/2516 , G11B2220/2525 , G11B2220/2537 , H04N5/775 , H04N5/781 , H04N5/783 , H04N5/85 , H04N9/7921 , H04N9/8042 , H04N9/8063 , H04N9/8205
摘要： A data recording and reproducing apparatus is adapted to receive audio data created by encoding an original sound signal and to decode the audio data into the original sound signal to thereby reproduce the original sound signal. The data recording and reproducing apparatus includes a data storage unit operable to store the audio data; a feature point information creation unit operable to create information about feature points by extracting information about characteristics of sound indicated by the original sound signal from the stored audio data and to create feature point information based on the extracted information; and an altered-speed reproduction unit operable to reproduce the original sound signal at an altered speed by decoding the audio data and thinning out the decoded audio data based on the feature point information.
摘要翻译： 数据记录和再现装置适于接收通过对原始声音信号进行编码而产生的音频数据，并将音频数据解码为原始声音信号，从而再现原始声音信号。 数据记录和再现装置包括可操作以存储音频数据的数据存储单元; 特征点信息创建单元，用于通过从存储的音频数据中提取关于由原始声音信号指示的声音的特征的信息来创建关于特征点的信息，并且基于所提取的信息创建特征点信息; 以及改变速度再现单元，其可操作以通过对音频数据进行解码并基于特征点信息来稀释解码的音频数据，以改变的速度再现原始声音信号。
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公开(公告)号：US06219311B1
公开(公告)日：2001-04-17
申请号：US09297549
申请日：1999-10-19
申请人： Makoto Mitsuno
发明人： Makoto Mitsuno
IPC分类号： G11B1722
CPC分类号： G11B20/10527 , G11B20/00007 , G11B27/005 , G11B27/034 , G11B27/036 , G11B2020/10916 , G11B2020/10944 , G11B2020/10962 , G11B2220/20 , G11B2220/216 , G11B2220/2512 , G11B2220/2525 , H04N5/85 , H04N5/9261
摘要： In recording, onto a disc, data continuously reproduced such as picture data or speech data, etc., minimum continuous recording unit Ba is set. Picture data, etc. is divided into minimum continuous recording units Ba to record such divided data, on real time basis, into space areas existing in a distributed manner on the disc. Ba is expressed as follows: Ba=[Ri×Ro×{(N−1)×Tr+N×Tj}]/(Ri−Ro) Ri: input rate to buffer memory, Ro: output rate from the buffer memory, N: total number of continuous reproduction data simultaneously recorded and reproduced in carrying out reproduction, Tj: maximum seek time of reproduction head, and Tr: minimum read time from the disc.
摘要翻译： 在光盘上记录连续再现的数据，例如图像数据或语音数据等，设置最小连续记录单元Ba。 图像数据等被划分为最小连续记录单元Ba，以将这样的分割数据实时地记录在盘上以分布式存在的空间区域中。 Ba表示如下：Ri：缓冲存储器的输入速率，Ro：来自缓冲存储器的输出速率，N：执行再现时同时记录和再现的连续再现数据的总数，Tj：再现头的最大寻道时间，以及 Tr：从光盘读取的最短时间。
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8.发明授权Data recording and reproducing apparatus, method of recording and reproducing data, and program therefor 失效数据记录和再现装置，记录和再现数据的方法及其程序公开(公告)号：US08275473B2
公开(公告)日：2012-09-25
申请号：US11529868
申请日：2006-09-29
申请人： Makoto Mitsuno
发明人： Makoto Mitsuno
IPC分类号： G06F17/00
CPC分类号： G11B27/28 , G11B20/10527 , G11B27/005 , G11B2020/10574 , G11B2020/10675 , G11B2020/10962 , G11B2220/2504 , G11B2220/2516 , G11B2220/2525 , G11B2220/2537 , H04N5/775 , H04N5/781 , H04N5/783 , H04N5/85 , H04N9/7921 , H04N9/8042 , H04N9/8063 , H04N9/8205
摘要： A data recording and reproducing apparatus is adapted to receive audio data created by encoding an original sound signal and to decode the audio data into the original sound signal to thereby reproduce the original sound signal. The data recording and reproducing apparatus includes a data storage unit operable to store the audio data; a feature point information creation unit operable to create information about feature points by extracting information about characteristics of sound indicated by the original sound signal from the stored audio data and to create feature point information based on the extracted information; and an altered-speed reproduction unit operable to reproduce the original sound signal at an altered speed by decoding the audio data and thinning out the decoded audio data based on the feature point information.
摘要翻译： 数据记录和再现装置适于接收通过对原始声音信号进行编码而产生的音频数据，并将音频数据解码为原始声音信号，从而再现原始声音信号。 数据记录和再现装置包括可操作以存储音频数据的数据存储单元; 特征点信息创建单元，用于通过从存储的音频数据中提取关于由原始声音信号指示的声音的特征的信息来创建关于特征点的信息，并且基于所提取的信息创建特征点信息; 以及改变速度再现单元，其可操作以通过对音频数据进行解码并基于特征点信息来稀释解码的音频数据，以改变的速度再现原始声音信号。
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9.发明申请公开(公告)号：US20080086313A1
公开(公告)日：2008-04-10
申请号：US11904023
申请日：2007-09-25
申请人： Mitsunori Tanaka , Mamoru Tanaka , Makoto Mitsuno , Masashi Ohta
发明人： Mitsunori Tanaka , Mamoru Tanaka , Makoto Mitsuno , Masashi Ohta
IPC分类号： G10L19/00
CPC分类号： G10L19/173
摘要： A signal processing apparatus may include a decoder that decodes a compressed audio stream encoded by a predetermined codec, a signal processing unit that applies predetermined signal processing to an audio stream obtained by decoding the compressed audio stream with the decoder, a first acquisition unit that acquires at least one of information described in a header of the compressed audio stream and management information for contents including the compressed audio stream, a setting unit that discriminates, on the basis of the information, a type of the codec used for the encode of the compressed audio stream and sets a codec used for encode of the audio stream, and an encoder that encodes, in accordance with the setting by the setting unit, the audio stream subjected to the signal processing by the signal processing unit and outputs the audio stream to an external apparatus that has a decoder.
摘要翻译： 信号处理装置可以包括解码器，其对由预定编解码器编码的压缩音频流进行解码;信号处理单元，对通过解码器对压缩音频流进行解码而获得的音频流应用预定的信号处理;第一获取单元， 在压缩音频流的标题中描述的信息和包括压缩音频流的内容的管理信息中的至少一个信息，设置单元，其基于该信息鉴别用于编码压缩的音频流的编解码器的类型 音频流并且设置用于音频流的编码的编解码器，以及编码器，其根据设置单元的设置对经过信号处理单元的信号处理的音频流进行编码，并将音频流输出到 具有解码器的外部设备。
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10.发明授权Data recording apparatus and method, and data recording and/or reproducing apparatus and method 失效数据记录装置和方法以及数据记录和/或再现装置和方法公开(公告)号：US06826132B2
公开(公告)日：2004-11-30
申请号：US09810991
申请日：2001-03-16
申请人： Makoto Mitsuno
发明人： Makoto Mitsuno
IPC分类号： G11B2108
CPC分类号： G11B20/10527 , G11B20/00007 , G11B27/005 , G11B27/034 , G11B27/036 , G11B2020/10916 , G11B2020/10944 , G11B2020/10962 , G11B2220/20 , G11B2220/216 , G11B2220/2512 , G11B2220/2525 , H04N5/85 , H04N5/9261
摘要： A data recording and/or reproducing method and apparatus. The apparatus may include one or more buffer memories, a recorder, a controller, and/or a reproducing unit. Continuous picture and/or speech data may be stored, recorded, and/or reproduced. The size of a recording unit may be controlled such that it corresponds to the amount of picture and/or speech data recorded by the recorder.
摘要翻译： 数据记录和/或再现方法和装置。 该装置可以包括一个或多个缓冲存储器，记录器，控制器和/或再现单元。 可以存储，记录和/或再现连续图像和/或语音数据。 可以控制记录单元的大小，使其对应于由记录器记录的图像和/或语音数据的量。
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