公开(公告)号：US4831636A

公开(公告)日：1989-05-16

申请号：US134818

申请日：1987-12-18

申请人： Tomohiko Taniguchi ,  Kohei Iseda ,  Yoshihiro Tomita ,  Fumio Amano ,  Shigeyuki Unagami ,  Shoji Tominaga

发明人： Tomohiko Taniguchi ,  Kohei Iseda ,  Yoshihiro Tomita ,  Fumio Amano ,  Shigeyuki Unagami ,  Shoji Tominaga

IPC分类号： G06T9/00 ,  H04B14/04 ,  H04B14/06

CPC分类号： H04B14/046 ,  G06T9/005 ,  H04B14/068

摘要： Coding transmission equipment wherein an plurality of adaptive coding units having different processing characteristics are provided, and the adaptive coding unit having the optimum processing characteristic for a current input signal is selected from among the plurality of adaptive coding units, and an output signal from the optimum adaptive coding unit and the unit number thereof are transmitted to the receiver side. At the receiver side, the processing characteristic of a decoder is changed to become the optimum processing characteristic indicated by the received unit number, whereby a high quality recovered signal is realized.

摘要翻译： 编码传输设备，其中提供具有不同处理特性的多个自适应编码单元，并且从多个自适应编码单元中选择具有用于当前输入信号的最佳处理特性的自适应编码单元，以及来自最佳 自适应编码单元及其单元号被发送到接收机侧。 在接收机侧，将解码器的处理特性改变为由接收到的单元号表示的最佳处理特性，从而实现高质量的恢复信号。

公开(公告)号：US5115469A

公开(公告)日：1992-05-19

申请号：US460099

申请日：1990-02-08

申请人： Tomohiko Taniguchi ,  Kohei Iseda ,  Koji Okazaki ,  Fumio Amano ,  Shigeyuki Unagami ,  Yoshinori Tanaka ,  Yasuji Ohta

发明人： Tomohiko Taniguchi ,  Kohei Iseda ,  Koji Okazaki ,  Fumio Amano ,  Shigeyuki Unagami ,  Yoshinori Tanaka ,  Yasuji Ohta

IPC分类号： G10L11/00 ,  G10L19/00 ,  G10L19/04 ,  G10L19/06 ,  G10L19/08

CPC分类号： G10L19/06 ,  G10L19/04

摘要： Several encoders perform a local decoding of a speech signal and extract excitation information and vocal tract information from a speech signal for an encoding operation. The transmission rate ratio between the excitation information and the vocal tract information are different for each encoder. An evaluation/selection unit evaluates the quality of decoded signals subjected to a local decoding in each of the encoders, determines the most suitable encoders from among the several encoders based on the result of the evaluation, and selects the most suitable encoder, thereby outputting the selection result as selection information. The decoder decodes a speech signal based on selection information, vocal tract information and excitation information. The evaluation/selection unit selects the output from the encoder in which the quality of a locally decoded signal is the most preferable. When vocal tract information changes little, the vocal tract information is not output, thereby allowing for increased quality of information. As much of the surplus of unused vocal tract information as possible is assigned to a residual signal. Thus, the quality of a decoded speech signal is improved.

摘要翻译： PCT No.PCT / JP89 / 00580 Sec。 371日期1990年2月8日 102（e）1990年2月8日PCT PCT 1989年6月7日PCT公布。 出版物WO89 / 12292 日期为1989年12月14日。几个编码器执行语音信号的本地解码，并从用于编码操作的语音信号中提取激励信息和声道信息。 激励信息和声道信息之间的传输速率比对于每个编码器是不同的。 评估/选择单元评估在每个编码器中经过本地解码的解码信号的质量，基于评估结果从多个编码器中确定最合适的编码器，并且选择最合适的编码器，从而输出 选择结果作为选择信息。 解码器基于选择信息，声道信息和激励信息来解码语音信号。 评估/选择单元选择编码器的输出，其中本地解码信号的质量是最优选的。 当声道信息变化较小时，不输出声道信息，从而允许提高信息质量。 尽可能多的未使用的声道信息的剩余被分配给残余信号。 因此，提高了解码语音信号的质量。

公开(公告)号：US4890325A

公开(公告)日：1989-12-26

申请号：US156882

申请日：1988-02-18

申请人： Tomohiko Taniguchi ,  Kohei Iseda ,  Koji Okazaki ,  Fumio Amano ,  Shigeyuki Unagami

发明人： Tomohiko Taniguchi ,  Kohei Iseda ,  Koji Okazaki ,  Fumio Amano ,  Shigeyuki Unagami

IPC分类号： G10L19/00 ,  G10L19/14 ,  G10L21/04 ,  H04B1/66 ,  H04B14/04

CPC分类号： G10L19/18 ,  G10L21/04 ,  H04B1/662

摘要： Speech is data-compressed and coded for transmission using TDHC (Time Domain Harmonic Compression) for the voiced signal, and decimated sampling for the unvoiced signal. Features include voiced/unvoiced detection, pitch period detection, border detection, coding by ADPCM, and optimum quantization coding. Reception involves decoding and data-reconstruction.

公开(公告)号：US5091955A

公开(公告)日：1992-02-25

申请号：US545499

申请日：1990-06-29

申请人： Kohei Iseda ,  Kazumi Satoh ,  Hideaki Kurihara ,  Fumio Amano ,  Shigeyuki Unagami ,  Koji Okazaki

发明人： Kohei Iseda ,  Kazumi Satoh ,  Hideaki Kurihara ,  Fumio Amano ,  Shigeyuki Unagami ,  Koji Okazaki

IPC分类号： G10L19/18 ,  H03M3/04 ,  H03M7/42

CPC分类号： H03M7/42 ,  G10L19/18 ,  H03M3/042

摘要： Disclosed is a voice coding/decoding system having a transmitting part for transmitting a coded signal of an input voice signal at a bit rate lower than a predetermined transmission bit rate and a receiving part for receiving and decoding the coded signal transmitted from the transmission part. To enable the coding and transmitting of an input voice signal in an optimum state without passing through a buffer memory and without having a negative influence on the coder, the transmitting part provides coders for coding the input voice signal and groups of entropy coders. The inputs of the entropy coders in each group are connected to the output of one of the plurality of coders. The transmitting part further provides an evaluation part for evaluating the characteristics of the outputs of the coders and the entropy coders. The evaluation part extracts those entropy coders having output bit rates lower than the transmission bit rate and extracts, from the coders connected to the extracted entropy coders, a coder having the best output characteristic. Then, the evaluation part outputs a selecting signal indicating the combination of the selected coder and an entropy coder from the extracted entropy coders. The transmitting part further provides a selecting part for selecting, in response to the selecting signal, the codeword passed through the combination of the coder and the entropy coder to be transmitted.

公开(公告)号：US5159611A

公开(公告)日：1992-10-27

申请号：US860210

申请日：1992-03-27

申请人： Yoshihiro Tomita ,  Kohei Iseda ,  Shigeyuki Unagami

发明人： Yoshihiro Tomita ,  Kohei Iseda ,  Shigeyuki Unagami

IPC分类号： G06T9/00 ,  H04B14/04

CPC分类号： H04B14/046 ,  H04N19/154 ,  H04N19/30 ,  H04N19/60

摘要： A variable rate coder for transforming an input signal into a low bit rate digital signal, comprising: a plurality of coding units each comprising an output quantizer having a different number of output bits, and each independently transforming the input signal into a respective compressed digital signal. A plurality of bit rate determined circuits are provided to determine an output of one of the plurality of coding units as a candidate output of the coder by a respective individual determining method, in which method, the quality of the signal which is regenerated from the output of each coding unit is compared with an individual predetermined quality evaluating standard, and then the candidate output of the coding unit having the smallest number of output bits, among the candidate outputs of coding units satisfying each standard, is determined as the actual output of the coder. One candidate output, among the plurality of the determined candidate outputs and, which is further determined by a most suitable determining method relative to the level of the input signal, thus is selected as the actual output of the coder. Further, when the number of the output bits in each of the coding units can be variably set, the most suitable number of output bits for the actual output of the coder is calculated based on prediction gains of the coding units, a required signal-to-noise ratio of the coder, and an ADC signal-to-noise ratio at the analog to digital converter, and the number of the output bits in each of the coding units is set based on the above calculated value, before the above operation by the bit rate determining circuits.

摘要翻译： 一种用于将输入信号变换为低比特率数字信号的可变速率编码器，包括：多个编码单元，每个编码单元包括具有不同数目的输出位的输出量化器，并且各自独立地将输入信号变换为相应的压缩数字信号 。 提供多个比特率确定电路，以通过各自的确定方法确定多个编码单元之一的输出作为编码器的候选输出，在该方法中，从输出再生的信号的质量 将每个编码单元与各个预定质量评估标准进行比较，然后确定满足每个标准的编码单元的候选输出中具有最小输出比特数的编码单元的候选输出作为实际输出 编码器 因此，选择多个确定的候选输出中的一个候选输出，并且相对于输入信号的电平进一步由最合适的确定方法确定，作为编码器的实际输出。 此外，当可以可变地设置每个编码单元中的输出比特数时，基于编码单元的预测增益来计算编码器的实际输出的最合适数量的输出比特，所需信号到 编码器的噪声比和模数转换器的ADC信噪比，并且在上述操作之前，基于上述计算值设置每个编码单元中的输出比特数， 比特率确定电路。

公开(公告)号：US5103481A

公开(公告)日：1992-04-07

申请号：US507658

申请日：1990-04-10

申请人： Kohei Iseda ,  Kenichi Abiru ,  Yoshihiro Tomita ,  Shigeyuki Unagami

发明人： Kohei Iseda ,  Kenichi Abiru ,  Yoshihiro Tomita ,  Shigeyuki Unagami

IPC分类号： G10L11/00 ,  G10L11/02 ,  G10L15/02 ,  G10L15/04

CPC分类号： G10L25/78

摘要： Speech presence versus silence is decided by a discriminator which can use a certain combination of parameter values: signal power, prediction error power, prediction error power deviation, and zero crossings.

公开(公告)号：US06898630B2

公开(公告)日：2005-05-24

申请号：US09794860

申请日：2001-02-27

申请人： Hitoshi Ueno ,  Kohei Iseda ,  Kenichi Fukuda

发明人： Hitoshi Ueno ,  Kohei Iseda ,  Kenichi Fukuda

IPC分类号： H04L12/24 ,  G06F15/173

CPC分类号： H04L41/044 ,  H04L41/06

摘要： In a network management system performing a fault management process in a hierarchical network, an upper layer fault manager performs a fault management of an upper layer of a hierarchical network, a lower layer fault manager performs a fault management of a lower layer of the network, an inter-layer node connecting information storage portion manages connecting information between packet switching nodes composing the upper layer and link offering nodes composing the lower layer, and an inter-layer fault notifying portion notifies the upper layer fault manager, upon receiving a notification of a link fault which has occurred on a link between the link offering nodes from the lower layer fault manager, that the packet switching nodes affected by the fault are faulted, based on the connecting information.

摘要翻译： 在分级网络中进行故障管理的网络管理系统中，上层故障管理器对分级网络的上层执行故障管理，下层故障管理器对网络的下层进行故障管理， 层间节点连接信息存储部管理构成上层的分组交换节点与构成下层的链路提供节点之间的连接信息，层间故障通知部在接收到上层故障通知的通知时通知上层故障管理者 基于连接信息，来自下层故障管理器的链路提供节点之间的链路上发生的故障影响的分组交换节点发生故障的链路故障。

公开(公告)号：US08335535B2

公开(公告)日：2012-12-18

申请号：US12694756

申请日：2010-01-27

申请人： Kohei Iseda

发明人： Kohei Iseda

IPC分类号： H04B7/00

CPC分类号： H04W52/267 ,  H04L1/0001 ,  H04W52/143 ,  H04W52/247 ,  H04W52/262 ,  H04W52/346 ,  H04W52/367

摘要： A wireless base station controls to decrease a transmission power of a first wireless terminal corresponding to signal quality information exceeding lower limitation of a range in which a transmission scheme to be selected remains unchanged and being below a first threshold value, which is greater than the lower limitation and smaller than upper limitation of the range, among a plurality of wireless terminals corresponding to signal quality information belonging to the range, while controlling to increase a transmission power of a second wireless terminal corresponding to signal quality information being equal to or greater than the first threshold value so that a transmission scheme having a better transmission efficiency is selected, thereby to improve throughput of a communication between the wireless base station and the wireless terminal.

摘要翻译： 无线基站控制以降低第一无线终端的发送功率，该信号质量信息超过要选择的发送方案保持不变且低于第一阈值的范围的较低限制，该第一阈值大于下限 在对应于属于该范围的信号质量信息的多个无线终端中，在控制增加对应于信号质量信息的第二无线终端的发送功率等于或大于 第一阈值，从而选择具有更好的传输效率的传输方案，从而提高无线基站与无线终端之间的通信的吞吐量。

公开(公告)号：US20070214267A1

公开(公告)日：2007-09-13

申请号：US11715831

申请日：2007-03-08

申请人： Takao Ogura ,  Kohei Iseda ,  Hirobumi Suzuki ,  Koji Harada

发明人： Takao Ogura ,  Kohei Iseda ,  Hirobumi Suzuki ,  Koji Harada

IPC分类号： G06F15/173

CPC分类号： G06F21/552 ,  G06F21/566

摘要： A security server monitoring device is provided that performs quick redistribution of loads when a server load increases due to virus infections. A security server performs a virus check on data flowing through a network, thus statistical data relating to detected viruses can be obtained. For example, future communication traffic and increases and decreases in server loads are predicted using statistical information such as the number of virus infections (number of virus infections per unit of time), and on the basis of this prediction, a security server allocated to a path is quickly changed from a security server in which a high load is predicted to a security server with a comparably low load.

摘要翻译： 提供了一种安全服务器监视设备，当服务器负载由于病毒感染而增加时，可以快速重新分配负载。 安全服务器对流经网络的数据执行病毒检查，从而可以获得与检测到的病毒有关的统计数据。 例如，使用诸如病毒感染的数量（每单位时间的病毒感染数）的统计信息来预测未来的通信流量和服务器负载的增加和减少，并且基于该预测，分配给 路径快速从预测高负载的安全服务器更改为具有相对较低负载的安全服务器。

公开(公告)号：US06982980B2

公开(公告)日：2006-01-03

申请号：US09996049

申请日：2001-11-28

申请人： Kenichi Fukuda ,  Takao Ogura ,  Makoto Minoura ,  Hitoshi Ueno ,  Kohei Iseda

发明人： Kenichi Fukuda ,  Takao Ogura ,  Makoto Minoura ,  Hitoshi Ueno ,  Kohei Iseda

IPC分类号： H04L12/28

CPC分类号： H04L61/35 ,  H04L29/12009 ,  H04L29/12783 ,  H04L29/12924 ,  H04L41/5019 ,  H04L47/2441 ,  H04L47/70 ,  H04L47/781 ,  H04L47/805 ,  H04L47/822 ,  H04L47/825 ,  H04L61/6063

摘要： In a network management apparatus which manages a network composed of network elements installing different communication technologies such as an ATM, an MPLS, and a Diff-Serv, a QoS guarantee path route candidate retriever retrieves a route enabling a predetermined QoS to be guaranteed or a route enabling the predetermined QoS to be guaranteed by being assigned with the flow identifier from among routes between a source and a destination network elements based on network configuration information, QoS guarantee capability information, the flow identifier assignment capability information, and a QoS guarantee path establishing portion performs a QoS guarantee setting and a flow identifier assignment setting to the network elements on the retrieved route.