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1.发明授权Statistic coding arrangement for producing code words comprising a variable number of bits 失效用于生成包含可变数量位数的代码字的统计编码安排
公开(公告)号：US5062125A
公开(公告)日：1991-10-29
申请号：US389721
申请日：1989-08-04
CPC分类号： H03M7/42
摘要： This arrangement has an input (10) for receiving the information to be encoded in the form of fixed words comprising a number of bits, a first transcoding member (20) for applying said variable word to "n" outputs among n parallel outputs, a second transcoding member (22) for supplying from its output the indication of the length (n), and an accumulation member (30) for forming a first "modulo N" accumulated information and a second "modulo 2N" accumulated information, which are the result of operations performed on "n". A cyclic permutation circuit (32) supplies a permuted word which represents the permuted variable code word as a function of the first accumulated information, switching circuit (35) selectively transfers as a function of the second accumulated information the bits of the permuted word to a first and/or to a second register, and detection circuit (30,45) cooperates with the accumulation member for detecting the fill level of one of said registers to act on the transfer circuit so as to transfer the content of the filled register to the output.
摘要翻译： 这种布置具有用于以包括多个位的固定字的形式接收要编码的信息的输入端（10），用于将所述可变字应用于n个并行输出中的“n”个输出的第一代码转换部件（20）， 用于从其输出端提供长度（n）的指示的第二代码转换构件（22），以及用于形成第一“模N”累积信息和第二“模2N”累积信息的累加构件（30） 对“n”执行操作的结果。 循环置换电路（32）提供表示作为第一累积信息的函数的置换的可变码字的置换字，切换电路（35）根据第二累积信息选择性地传送置换字的位到 第一和/或第二寄存器，并且检测电路（30,45）与累积部件配合，用于检测所述寄存器之一的填充电平作用在传送电路上，以便将填充寄存器的内容传送到 输出。
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2.发明授权Data transmission arrangement using a statistic coding, a transmitter and a receiver section suitable for such an arrangement 失效使用统计编码的数据传输安排，适用于这种安排的发射机和接收机部分
公开(公告)号：US5181229A
公开(公告)日：1993-01-19
申请号：US458121
申请日：1989-12-28
CPC分类号： G06T9/005 , H04J3/0605 , H04L7/041
摘要： A data receiver, and transmitter/receiver combination, for transmitting data using statistic coding. A data transmitter transmits statistic encoded data representing successive sample series in a form having a variable number of bits followed by two self-synchronizing codes, each self-synchronizing code including a suffix formed by a codeword or a concatenation of codewords. A data receiver for use with such a transmitted signal includes a correction circuit which can store at least one sample series, and a write counter for forming address codes defining locations of samples to be stored in the storage portion of the correction circuit. Preferably a sequencer provides a window signal which validates the output of a synchronizing signal detector in a time interval when the synchronizing word will probably be received.
摘要翻译： 数据接收机和发射机/接收机组合，用于使用统计编码来发送数据。 数据发送器以具有可变位数后跟两个自同步码的形式发送表示连续采样序列的统计编码数据，每个自同步码包括由码字形成的后缀或代码字的级联。 与这种发送信号一起使用的数据接收器包括可以存储至少一个采样序列的校正电路和用于形成地址码的写入计数器，该地址码定义要存储在校正电路的存储部分中的样本的位置。 优选地，定序器提供窗口信号，其在同步字可能被接收的时间间隔中验证同步信号检测器的输出。
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3.发明授权Differential pulse code modulation arrangement, associated decoding arrangement and transmission system comprising at least such an encoding or decoding arrangement 失效差分脉冲编码调制装置，相关的解码装置和包括至少这种编码或解码装置的传输系统
公开(公告)号：US4860314A
公开(公告)日：1989-08-22
申请号：US84658
申请日：1987-08-11
申请人： Jean-Yves Boisson
发明人： Jean-Yves Boisson
CPC分类号： H04N19/593
摘要： This encoding arrangement has an input (12) for receiving a sequence of samples to be encoded, an output for supplying encoded samples, processing circuits, more specifically:a differential circuit (20) for producing differential samples between the samples to be encoded and prediction samples,a prediction circuit (22) to produce prediction samples from the encoded samples.It is characterized in that the processing circuits are separated into encoding units (E1, E2, E3 and E4) for each effecting a processing operation on each sample to be encoded and that an interleaving member (60) is provided to convert the sequence of samples to be encoded into a sequence of interleaved samples so as to ensure that all the processing operations to be effected on a sample are indeed effected.
摘要翻译： 该编码装置具有用于接收要编码的样本序列的输入端（12），用于提供编码样本的输出，处理电路，更具体地说：用于在要编码的样本和预测样本之间产生差分样本的差分电路（20） 采样，预测电路（22），用于从编码样本产生预测样本。 其特征在于，处理电路分为编码单元（E1，E2，E3和E4），用于对要编码的每个样本进行处理操作，并且提供交织构件（60）以将样本序列 被编码成交错样本的序列，以便确保对样本进行的所有处理操作确实受到影响。
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4.发明授权System for transmitting sequences of digital samples encoded by variable-length binary words 失效用于发送由可变长度二进制字编码的数字样本序列的系统
公开(公告)号：US4876698A
公开(公告)日：1989-10-24
申请号：US211307
申请日：1988-06-24
CPC分类号： H04N21/4302 , H03M7/42 , H04J3/0605 , H04N19/65 , H04N19/68 , H04N21/242
摘要： A system for transmitting sequences of digital samples encoded by variable-length binary words is formed on the one hand by a transmitter device comprising a statistic encoding circuit for encoding in said variable-length words words of a fixed length appearing at its input in the shape of sample sequences, a synchronizing circuit for forming synchronizing words which define the position of the variable-length words in the sequences and a multiplexer circuit for combining, in view of their transmission, the synchronizing words with the variable-length words, and, on the other hand, a receiver device comprising a demultiplexer circuit for applying from one of its two outputs the variable-length words received to a statistic decoding circuit for recovering the fixed-length words and for applying from the other output the synchronizing word to a processing circuit for restituting, in the event of a transmission error, the position of the samples in the sequence.
摘要翻译： 一种用于发送由可变长度二进制字编码的数字样本序列的系统一方面由一个发送器装置形成，该发送器装置包括一个统计编码电路，用于在其输入端以出现的固定长度的所述可变长度字词中的形状 的采样序列的同步电路，用于形成定义序列中的可变长度字的位置的同步字的同步电路和用于组合鉴别其可变长度字的同步字的多路复用器电路，以及在 另一方面，一种接收机装置，包括：解复用器电路，用于从其两个输出中的一个输出端接收可变长度字，用于恢复固定长度字的统计解码电路，并从另一个输出将同步字应用于处理 在传输错误的情况下，将序列中样本的位置重新设置。
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5.发明授权Transmission system having a differential pulse code modulation encoding apparatus and an associated decoding apparatus 失效具有差分脉冲编码调制编码装置和相关联的解码装置的传输系统
公开(公告)号：US4893123A
公开(公告)日：1990-01-09
申请号：US50181
申请日：1987-05-13
申请人： Jean-Yves Boisson
发明人： Jean-Yves Boisson
CPC分类号： H03M7/3046 , H04N19/124 , H04N19/50
摘要： A transmission system for use in digital television has an input for receiving a signal to be encoded, a difference circuit (12) for supplying a differential signal formed by a given number of binary elements representing the difference between the signal to be encoded and a prediction signal, a transmission prediction circuit for supplying the prediction signal, a transmission transcoding circuit (15) for reducing the number of binary elements of the differential signal as a function of a control information, an activity measuring circuit (30) for supplying an activity information, a statistic encoding circuit (22) for variable word length coding of the output signal of the transcoding circuit, a buffer memory circuit (25) for storing the words of the statistic encoding circuit and for supplying them to the output of the system, and an occupation measuring circuit (45) for supplying an occupation information of the buffer memory circuit. This system furthermore includes a combination circuit (50) for supplying the control information in response to the activity information and the occupation information applied thereto.
摘要翻译： 用于数字电视的传输系统具有用于接收要编码的信号的输入端，用于提供由给定数量的二进制元素形成的差分信号的差分电路（12），该差分信号表示待编码的信号与预测信号之间的差异 信号，用于提供预测信号的发送预测电路，用于减少作为控制信息的函数的差分信号的二进制元素的数量的发送代码转换电路（15），用于提供活动信息的活动度量电路（30） ，用于代码转换电路的输出信号的可变字长编码的统计编码电路（22），用于存储统计编码电路的字并将其提供给系统的输出的缓冲存储器电路（25），以及 用于提供缓冲存储器电路的占用信息的占用测量电路（45）。 该系统还包括用于响应于活动信息和施加到其上的职业信息来提供控制信息的组合电路（50）。
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