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    • 1. 发明申请
    • PEER-TO-PEER TRANSMISSION SYSTEM FOR DATA STREAMS
    • 数据流的对等传输系统
    • US20120151081A1
    • 2012-06-14
    • US13321148
    • 2010-05-18
    • Jens GrohMatthias HammerAlexander ErkKlaus MerkelSebastian KilgerMark GülbaharRobert Sedlmeyer
    • Jens GrohMatthias HammerAlexander ErkKlaus MerkelSebastian KilgerMark GülbaharRobert Sedlmeyer
    • G06F15/16
    • H04L67/104H04L67/108
    • In a peer-to-peer (P2P) system, in each individual transmitting peer (10), the incoming data stream is divided logically and with regard to time into different parts, which are buffered in a volatile memory (13) and are transmitted to the receiving peers (20, 30) on different paths by means of a peer-to-peer transmission mechanism (40). In a receiving peer (20), the received parts of the subdivided data stream are buffered in a volatile memory (21) and are reassembled into a complete data stream. Further, in the receiving peer (20), the parts of the subdivided data stream, buffered by the volatile memory (21), are copied into a persistent memory (22), from where they are copied back into the volatile memory (21) at a later point in time if necessary. In order to reduce the amount of data to be stored persistently, it is proposed that a fraction of the received data is excluded from persistent storing, wherein this exclusion is performed by selecting parts of the subdivided data stream. For this purpose, the selection may preferably be performed in the transmitting peer (10), where the selected fraction is separated from the remaining data of the subdivided data and rerouted into a secondary transmission mechanism (50). Alternatively, the selection may be performed in the receiving peer (20), where the selected fraction is separated from the received data buffered therein and deleted.
    • 在点对点(P2P)系统中,在每个单独的发送对等体(10)中,输入数据流被逻辑地分配并且关于时间划分成不同的部分,这些部分被缓存在易失性存储器(13)中并被发送 通过对等传输机制(40)向不同路径上的接收对等体(20,30)发送。 在接收对等体(20)中,所分割的数据流的接收部分被缓存在易失性存储器(21)中,并被重组为完整的数据流。 此外,在接收对等体(20)中,由易失性存储器(21)缓冲的分割数据流的部分被复制到永久存储器(22)中,从其被复制回到易失性存储器(21)中, 如果有必要,在稍后的时间点。 为了减少要持久存储的数据量,建议从持久存储中排除接收数据的一部分,其中通过选择细分数据流的部分来执行排除。 为此,可以优选地在发送对等体(10)中执行选择,其中所选择的分数与分割的数据的剩余数据分离并重新路由到次传输机制(50)。 或者,可以在接收对等体(20)中执行选择,其中所选择的分数与其中缓冲的接收数据分离并删除。
    • 2. 发明授权
    • Peer-to-peer transmission system for data streams
    • 用于数据流的对等传输系统
    • US08990417B2
    • 2015-03-24
    • US13321148
    • 2010-05-18
    • Jens GrohMatthias HammerAlexander ErkKlaus MerkelSebastian KilgerMark GulbaharRobert Sedlmeyer
    • Jens GrohMatthias HammerAlexander ErkKlaus MerkelSebastian KilgerMark GulbaharRobert Sedlmeyer
    • G06F15/16H04L29/08
    • H04L67/104H04L67/108
    • In a peer-to-peer (P2P) system, in each individual transmitting peer (10), the incoming data stream is divided logically and with regard to time into different parts, which are buffered in a volatile memory (13) and are transmitted to the receiving peers (20, 30) on different paths by means of a peer-to-peer transmission mechanism (40). In a receiving peer (20), the received parts of the subdivided data stream are buffered in a volatile memory (21) and are reassembled into a complete data stream. Further, in the receiving peer (20), the parts of the subdivided data stream, buffered by the volatile memory (21), are copied into a persistent memory (22), from where they are copied back into the volatile memory (21) at a later point in time if necessary. A fraction of the received data is excluded from persistent storing by selecting parts of the subdivided data stream.
    • 在点对点(P2P)系统中,在每个单独的发送对等体(10)中,输入数据流被逻辑地分配并且关于时间划分成不同的部分,这些部分被缓存在易失性存储器(13)中并被发送 通过对等传输机制(40)向不同路径上的接收对等体(20,30)发送。 在接收对等体(20)中,所分割的数据流的接收部分被缓存在易失性存储器(21)中,并被重组为完整的数据流。 此外,在接收对等体(20)中,由易失性存储器(21)缓冲的分割数据流的部分被复制到永久存储器(22)中,从其被复制回到易失性存储器(21)中, 如果有必要,在稍后的时间点。 通过选择细分数据流的一部分,将所接收数据的一小部分从永久存储中排除。
    • 3. 发明授权
    • Process for finding the overall monitoring threshold during a
bit-rate-reducing source coding
    • 在比特率降低源编码期间查找整体监视阈值的过程
    • US5740317A
    • 1998-04-14
    • US520765
    • 1995-08-30
    • Robert SedlmeyerAndreas BrefortJens GrohWolfgang KrafftKlaus RosinskiDetlef WieseGerhard StollMartin Link
    • Robert SedlmeyerAndreas BrefortJens GrohWolfgang KrafftKlaus RosinskiDetlef WieseGerhard StollMartin Link
    • H03H17/02H04B1/66H04B14/04G10L7/02
    • H04B1/665
    • Source coding digitized audio signals includes providing time or spectral domain sampling values of the digitized audio signal, requantizing the sampling values according their permissible quantizing noise as determined by a coding and requantizing control signal, and multiplexing the control signal and the requantized sampling values into a time multiplex frame depending on the bit rate reduction employed. The coding and requantizing control signal is determined from the sampling values by determining the global masking effect from all relevant maskers which are tonal maskers and noise maskers, and which result from the sampling values, and from a silence audio threshold. The global masking effect is determined by segmenting masking edges of possible maskers and approximating in individual segments with lower order polynomials, and determining coefficients of the lower order polynomials, converting the maskers into logarithmic levels and using intensities of the maskers to determine the coefficients of the lower order polynomials, and determining the global masking threshold, step-wise, masker by masker, at individual possible base points, from the polynomials describing masking edges of the possible maskers.
    • PCT No.PCT / EP92 / 01658 Sec。 371日期:1993年9月17日 102(e)日期1993年9月17日PCT提交1992年7月21日PCT公布。 公开号WO93 / 02508 日期:1993年2月4日源编码数字化音频信号包括提供数字化音频信号的时间或频域采样值,根据编码和再量化控制信号确定的可允许量化噪声重新采样采样值,并将控制信号和 根据所采用的比特率降低将需要量化的采样值分配到时间多路复用帧中。 通过从所有相关掩蔽器(其是音调掩蔽器和噪声掩蔽器)确定全局掩蔽效应,以及由采样值以及从静音音频阈值确定来自采样值的编码和再量化控制信号。 通过对可能的掩蔽器的掩蔽边缘进行分割并在具有较低阶多项式的各个段中近似来确定全局掩蔽效应,并且确定较低阶多项式的系数,将掩蔽器转换成对数级别,并且使用掩模的强度来确定 低阶多项式,以及在描述可能的掩蔽者的掩蔽边缘的多项式的各个可能的基点处,通过掩蔽器逐步地确定全局掩蔽阈值。
    • 10. 发明申请
    • Method and Arrangement for Retransmitting and Processing and/or Displaying and/or Storing of Sound and/or Picture Contents
    • 用于重新发送和处理和/或显示和/或存储声音和/或图像内容的方法和装置
    • US20080285946A1
    • 2008-11-20
    • US11630201
    • 2006-03-30
    • Robert Sedlmeyer
    • Robert Sedlmeyer
    • H04N5/913
    • H04N9/79H04N5/913H04N21/4408H04N2005/91364
    • A special instruction for not encoding a content is incorporated into access authorization data contained in the received signal, so that within a unified system for transmitting and receiving of encoded or non-encoded sound and/or picture contents, it is possible to meet the requirement of public broadcasting and “free-to-air” program providers for a non-encoded processing and/or display and/or storage of freely accessible contents for the end user. The instruction signalizes that the sound and/or picture contents, once received, must be available in the non-encoded form to the end user. The access authorization data remain added to the sound and/or picture contents, even in cases of a cascading, encoded retransmission, or remains logically linked thereto by suitable means, even if transmitted physically separate along with the picture and/or sound contents. During the processing and/or display and/or storage of the picture and/or sound contents retransmitted in the encoded form, the special instruction triggers a decoding of the picture and/or sound contents, at least at the end of the retransmission cascade.
    • 用于不对内容进行编码的特殊指令被并入到包含在接收信号中的访问授权数据中,使得在用于发送和接收编码或未编码的声音和/或图像内容的统一系统中,可以满足要求 的公共广播和“免费”节目提供商进行非编码处理和/或显示和/或存储最终用户可自由访问的内容。 该指令表明,一旦接收到的声音和/或图像内容必须以非编码形式可用于最终用户。 即使在级联,编码重传的情况下,即使与图像和/或声音内容物理分离地发送,也可以通过适当的方式将访问授权数据保持附加到声音和/或图像内容,或者通过合适的方式将其保持逻辑地链接到声音和/或图像内容。 在以编码形式重发的图像和/或声音内容的处理和/或显示和/或存储期间,特殊指令至少在重传级联结束时触发图像和/或声音内容的解码。