公开(公告)号：US20180109288A1

公开(公告)日：2018-04-19

申请号：US15296463

申请日：2016-10-18

申请人： Ikanos Communications, Inc.

发明人： Laurent Alloin ,  Hassan Afkhami ,  Vinay Kumar Chapala

IPC分类号： H04B3/54 ,  H04M11/06 ,  H04M3/18 ,  H04B7/04 ,  H04B3/56

CPC分类号： H04B3/542 ,  H04B3/32 ,  H04B3/487 ,  H04B3/54 ,  H04B3/56 ,  H04B7/0426 ,  H04M3/18 ,  H04M11/062

摘要： This disclosure provides systems, methods, and apparatus for wireline communication. A digital subscriber line (DSL) receiver may detect one or more power line communication (PLC) sound packets and measure PLC signal leakage on a set of DSL lines based on the detected sound packets. For example, PLC sound packets may be transmitted by PLC devices within a PLC network, and impulse noise received on the set of DSL lines corresponding to the transmitted PLC sound packet may be detected by a DSL receiver (such as a consumer premises equipment (CPE)). The DSL receiver may measure PLC signal leakage on the set of DSL lines based on the detected PLC sound packets. In some cases, the PLC sound packets may be detected based on a duration, a position, or an arrival time of a PLC sound packet.

公开(公告)号：US20170353510A1

公开(公告)日：2017-12-07

申请号：US15627120

申请日：2017-06-19

申请人： Comet Capital, LLC

发明人： Lawrence T. Levine ,  David Michael Weber

IPC分类号： H04L29/06 ,  H04W4/20 ,  H04N7/15 ,  H04L12/18 ,  H04M3/56 ,  H04L29/08 ,  H04W76/00 ,  H04W4/02

CPC分类号： H04L65/403 ,  H04L12/1813 ,  H04L65/1086 ,  H04L65/4038 ,  H04L67/18 ,  H04L67/306 ,  H04M3/18 ,  H04M3/568 ,  H04M2203/5072 ,  H04N7/15 ,  H04N7/152 ,  H04N2007/145 ,  H04W4/021 ,  H04W4/029 ,  H04W4/21 ,  H04W76/45

摘要： A system and method for multi-party communication includes determining a trending common identifier within a media platform and generating a communication channel within a communication platform based on the common identifier. The method and system includes, in response to a join request from each of a plurality of users, connecting the plurality of users to the communication channel, where the communication channel is an open communication channel for active audio communication between the plurality of users across the communication platform and facilitating audio communication between the plurality of users, including providing a visual display on the communication platform, including visual display of the active audio communication across the communication platform.

公开(公告)号：US09826085B2

公开(公告)日：2017-11-21

申请号：US14378204

申请日：2013-01-15

申请人： KONINKLIJKE PHILIPS N.V.

发明人： Patrick Kechichian ,  Cornelis Pieter Janse

IPC分类号： H04M3/18 ,  H04M9/08

CPC分类号： H04M3/18 ,  H04M9/082

摘要： Communications equipment for use by a call center to enable communications between the call center and one or more user devices is provided, with the communications equipment comprising audio processing circuitry for processing audio signals received from the user devices over a communications network, wherein the processing circuitry is configured to perform acoustic echo cancellation and/or noise suppression and/or dereverberation processing on the received audio signals to cancel acoustic echoes and/or suppress noise and/or suppress reverberation that is present in the audio signals received from the user device.

公开(公告)号：US09800720B2

公开(公告)日：2017-10-24

申请号：US14568678

申请日：2014-12-12

申请人： Telefonaktiebolaget L M Ericsson (publ)

发明人： Chenguang Lu ,  Per-Erik Eriksson ,  Aldebaro Klautau ,  Francisco Müller ,  Keke Zu

IPC分类号： H04M1/76 ,  H04M7/00 ,  H04M9/00 ,  H04M3/18 ,  H04B3/32 ,  H04M3/00

CPC分类号： H04M3/18 ,  H04B3/32 ,  H04B7/0617 ,  H04M3/002

摘要： Systems and methods for determining non-linear precoding coefficients are disclosed. In some embodiments, a method of determining non-linear precoding coefficients for transmitting at least one frequency tone on lines includes obtaining a channel matrix that relates an input of the lines to an output of the lines for the at least one frequency tone. The method also includes computing a metric for each line in a subset of the lines and determining a line order for the subset of the lines based on the metric for each line in the subset of the lines. The method also includes reordering elements of the channel matrix based on the line order for the subset of the lines to create a reordered channel matrix and determining the non-linear precoding coefficients based on the reordered channel matrix. This may provide a systematic way to sort lines and balance the bit rates between different lines.

公开(公告)号：US09749474B2

公开(公告)日：2017-08-29

申请号：US15208379

申请日：2016-07-12

申请人： Dolby Laboratories Licensing Corporation

发明人： Doh-Suk Kim ,  Gary Spittle

IPC分类号： H04R3/00 ,  H04M3/56 ,  H04S7/00 ,  H04M9/08 ,  G10L21/0208 ,  H04M1/60 ,  H04R3/04 ,  G10K15/08 ,  H04R27/00 ,  H04M3/18

CPC分类号： H04M3/568 ,  G10K15/08 ,  G10L21/0208 ,  G10L2021/02082 ,  H04M1/6033 ,  H04M3/18 ,  H04M9/082 ,  H04R3/04 ,  H04R27/00 ,  H04S7/306 ,  H04S2400/01 ,  H04S2420/01

摘要： A system and method of matching reverberation in teleconferencing environments. When the two ends of a conversation are in environments with differing reverberations, the method filters the reverberation so that when both signals are output at the near end (e.g., the audio signal from the far end and the sidetone from the near end), the reverberations match. In this manner, the user does not perceive an annoying difference in reverberations, and the user experience is improved.

公开(公告)号：US20170093944A1

公开(公告)日：2017-03-30

申请号：US14867495

申请日：2015-09-28

申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION

发明人： Hugh E. Hockett ,  Rahul Ghosh ,  Aaron J. Quirk ,  Lin Sun

IPC分类号： H04L29/06 ,  H04L12/26 ,  H04L29/08

CPC分类号： H04L65/601 ,  H04L12/1813 ,  H04L65/602 ,  H04L67/22 ,  H04M3/18 ,  H04M3/568

摘要： Methods, systems and computer program products for configuring an audio channel are provided. Aspects include generating a confidence metric indicative of at least one control cue in a telecommunication audio feed input. Generating the confidence metric can include analyzing the control cue to determine a cue type, assigning a confidence metric value for the control cue based on the cue type, and comparing the confidence metric value to a predetermined threshold value associated with the cue type. Aspects also include updating a context history with the cue type and configuring an audio channel output based on the confidence metric and context history.

公开(公告)号：US09509368B2

公开(公告)日：2016-11-29

申请号：US14407444

申请日：2013-07-24

申请人： Alcatel Lucent

发明人： Issam Wahibi ,  Beno{hacek over (i)}t Drooghaag

IPC分类号： H04B3/34 ,  H04B3/32 ,  H04M3/18 ,  H04M3/34 ,  H04B3/487

CPC分类号： H04B3/34 ,  H04B3/32 ,  H04B3/487 ,  H04M3/18 ,  H04M3/34

摘要： The method and a device determine a parameter that characterizes a number of spare positions to be used for cancelling the crosstalk of lines joining a digital subscriber line vectoring group. The vectoring includes cancelling the crosstalk caused by a maximum number of lines of the vectoring group and reserving the number of spare positions. In order to provide a method and a device for determining a number of spare positions such that the vectoring group operates efficiently, the method includes determining a residual crosstalk metric that depends on a residual crosstalk between at least two subscriber lines of the vectoring group; and determining the parameter that characterizes the number of spare positions depending on the at least one residual crosstalk metric by successively modifying the parameter until the residual crosstalk metric fulfills a termination condition.

摘要翻译： 该方法和装置确定表征要用于消除加入数字用户线路向量组的线路的串扰的多个备用位置的参数。 向量包括消除由向量组的最大行数引起的串扰并保留备用位数。 为了提供用于确定多个备用位置以使得向量组有效操作的方法和装置，该方法包括确定依赖于向量组的至少两个用户线之间的残余串扰的残留串扰度量; 以及根据所述至少一个残留串扰量度，通过连续地修改所述参数来确定表征所述备用位置数量的参数，直到所述残余串扰度量满足终止条件。

公开(公告)号：US09455567B2

公开(公告)日：2016-09-27

申请号：US13863370

申请日：2013-04-15

申请人： General Instrument Corporation

发明人： David C. Miller

IPC分类号： H02H3/22 ,  H02H3/20 ,  H02H9/06 ,  H04M3/18

CPC分类号： H02H3/20 ,  H02H9/06 ,  H04M3/18 ,  Y10T29/49117

摘要： A surge protection circuit having an open circuit voltage surge protector, such as a gas discharge tube (GDT), a closed circuit current surge protector, such as a thermistor, and a thyristor. The GDT has a breakdown voltage that is at least a first defined amount higher than an anticipated highest peak voltage. The thermistor has a series resistance associated with a series resistance of electrical equipment being protected and a breakdown voltage that is at least a second defined amount higher than an impulse voltage (voltage required to excite the GDT based on the breakdown voltage) for the GDT. The thyristor has a rated peak current at least a third defined amount greater than a peak current for the thermistor.

公开(公告)号：US20150207842A1

公开(公告)日：2015-07-23

申请号：US14676661

申请日：2015-04-01

申请人： SKYPE

发明人： Soren Andersen

IPC分类号： H04L29/06 ,  H04M3/18

CPC分类号： H04L65/604 ,  G10L19/005 ,  G10L19/24 ,  G10L19/26 ,  H04M3/18

摘要： A method for concatenating a first frame of samples and a subsequent second frame of samples, the method comprising applying a phase filter adapted to minimizing a discontinuity at a boundary between the first and second frames of samples.

摘要翻译： 一种用于连接样本的第一帧和随后的第二采样帧的方法，所述方法包括应用适于使所述第一和第二采样帧之间的边界处的不连续性最小化的相位滤波器。

公开(公告)号：US09076456B1

公开(公告)日：2015-07-07

申请号：US13432490

申请日：2012-03-28

申请人： Carlos Avendano ,  Carlo Murgia

发明人： Carlos Avendano ,  Carlo Murgia

IPC分类号： H04B15/00 ,  G10L21/0232 ,  H03G3/20 ,  H03G3/32

CPC分类号： G10L21/0232 ,  H03G3/32 ,  H03G5/165 ,  H03G9/025 ,  H04M3/18 ,  H04R3/005 ,  H04R5/04 ,  H04R25/407 ,  H04R2225/43 ,  H04S2420/01

摘要： Systems and methods for providing voice equalization are provided. In exemplary embodiments, acoustic signals are received from both a near-end and a far-end environment. A power spectrum estimate for the far-end signal and a noise estimate based on the near-end signal are determined. A voice equalization mask based on the power spectrum estimate of the far-end signal and the noise estimate based on the near-end signal is generated and applied to the far-end signal to obtain a modified signal. The modified signal may then be dynamically processed to obtain an enhanced audio signal. The enhanced audio signal is then output.

摘要翻译： 提供了用于提供语音均衡的系统和方法。 在示例性实施例中，从近端和远端环境接收声信号。 确定远端信号的功率谱估计和基于近端信号的噪声估计。 产生基于远端信号的功率谱估计和基于近端信号的噪声估计的语音均衡掩码并将其应用于远端信号以获得修改信号。 然后可以动态地处理修改的信号以获得增强的音频信号。 然后输出增强音频信号。