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公开(公告)号：US20220239782A1
公开(公告)日：2022-07-28
申请号：US17582277
申请日：2022-01-24
Inventor： Do Young KIM , Namseok KO , Sun Me KIM , Taesik CHEUNG , Yoo Hwa KANG , Tae Kyu KANG , Jeong-Dong RYOO , Yeoncheol RYOO
Abstract: A method in which a high-quality packet telephony terminal apparatus performing low-latency and lossless packet communication with a counterpart packet telephony terminal apparatus operates in an integrated network structure in which a time sensitive network (TSN) and a packet communication network are combined may be disclosed. The packet telephony terminal apparatus may perform packet telephony call processing, perform a TSN stream reservation procedure when the counterpart packet telephony terminal apparatus is capable of performing a TSN function for lossless packet communication, adjust a size of a dejitter buffer when the TSN stream reservation procedure is successful, and perform low-latency packet telephony communication through the minimized size of the dejitter buffer.
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公开(公告)号：US20170201719A1
公开(公告)日：2017-07-13
申请号：US15220613
申请日：2016-07-27
Inventor： Seung Han CHOI , Do Young KIM
IPC: H04N7/15 , G06F3/0484 , H04N7/015
CPC classification number: H04N7/152 , G06F3/04847 , H04N7/147
Abstract: Provided is an apparatus for supporting a video conference in a client terminal for a video conference system. The apparatus includes: an edition/rendering module configured to receive basic lattice layout screen data containing respective participant images included in a plurality of lattices and respective location information of the plurality of lattices applied to the basic lattice layout screen data; and an input module configured to input edition information, wherein, in response to the edition information input through the input module, the edition/rendering module classifies respective lattice images of the basic lattice layout screen data according to the respective location information, and generates new layout screen data edited with respect to the respective lattice images.
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公开(公告)号：US20150187348A1
公开(公告)日：2015-07-02
申请号：US14578209
申请日：2014-12-19
Inventor： Hun Sik KANG , Do Young KIM
IPC: G10K11/175
CPC classification number: G10L21/0208 , G10L2021/02082
Abstract: An apparatus for cancelling an acoustic echo estimates power of a non-linear distortion component of a line amplifier from a signal generated by passing a far-end signal through the line amplifier, controls a gain of the line amplifier using a power estimate of the non-linear distortion component, generates an acoustic echo estimation signal from the far-end signal, and subtracts the acoustic echo estimation signal from a signal input through a microphone to cancel an acoustic echo signal.
Abstract translation: 用于消除声学回声的装置从通过使远端信号通过线路放大器产生的信号估计线路放大器的非线性失真分量的功率，使用非线性功率估计来控制线路放大器的增益， 线性失真分量，从远端信号生成声学回波估计信号，并从通过麦克风输入的信号中减去声学回波估计信号，以消除声学回波信号。
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Patent Agency Ranking
4.发明申请METHOD AND SYSTEM FOR SUPPORTING VIDEOCONFERNCE IN DISTRIBUTED TELEPRESENCE PLATFORM 有权在分布式电视平台中支持视频的方法和系统公开(公告)号：US20150288925A1
公开(公告)日：2015-10-08
申请号：US14669227
申请日：2015-03-26
Inventor： In Ki HWANG , Do Young KIM , Yeong Jin KIM
CPC classification number: H04N7/152 , H04L65/1066 , H04L65/1073 , H04L65/403
Abstract: Provided is a method of supporting a videoconference between clients through a plurality of media servers under the control of a management server. The method includes requesting a client change, from a first client connected to a first media server, to a second client to be connected to a second media server; generating a mirror session for the second client according to the request for the client change; and stopping a session for the first client.
Abstract translation: 提供了一种在管理服务器的控制下通过多个媒体服务器来支持客户端之间的视频会议的方法。 该方法包括从连接到第一媒体服务器的第一客户端请求客户端改变为要连接到第二媒体服务器的第二客户端; 根据客户端更改的请求为第二个客户端生成镜像会话; 并停止第一个客户端的会话。
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5.发明申请METHOD AND APPARATUS FOR CANCELING ACOUSTIC ECHO, AND METHOD FOR UPDATING ADAPTIVE FILTER COEFFICIENT BY THE APPARATUS 有权用于取消声学ECHO的方法和装置，以及由装置更新自适应滤波器系数的方法公开(公告)号：US20140112488A1
公开(公告)日：2014-04-24
申请号：US14061671
申请日：2013-10-23
Inventor： Hyun Woo KIM , Do Young KIM , Woojik CHUN
IPC: H04R3/02
CPC classification number: H04R3/02 , H04M9/082 , H04R2430/03
Abstract: An apparatus for canceling an acoustic echo signal caused by a far-end talker signal is provided. The apparatus for canceling an acoustic echo signal includes: a variance estimating unit configured to estimate a variance of a first audio signal of a near-end talker signal and a first noise signal of the near-end talker signal; a step size determining unit configured to determine a step size by using the variance of the first audio signal and the variance of the first noise signal; an adaptive filter coefficient updating unit configured to update an adaptive filter coefficient of an adaptive filter by using the step size; and an acoustic echo canceling unit configured to estimate an acoustic echo signal by using the adaptive filter coefficient, and cancel the acoustic echo signal from a microphone input signal by using the estimated acoustic echo signal.
Abstract translation: 提供一种用于消除由远端讲话者信号引起的声学回波信号的装置。 用于消除声学回波信号的装置包括：方差估计单元，被配置为估计近端讲话者信号的第一音频信号和近端讲话者信号的第一噪声信号的方差; 步长确定单元，被配置为通过使用第一音频信号的方差和第一噪声信号的方差来确定步长; 自适应滤波器系数更新单元，被配置为通过使用所述步长来更新自适应滤波器的自适应滤波器系数; 以及声学回声消除单元，被配置为通过使用自适应滤波器系数来估计声学回波信号，并且通过使用估计的声学回波信号来消除来自麦克风输入信号的声学回波信号。
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公开(公告)号：US20140111452A1
公开(公告)日：2014-04-24
申请号：US14061691
申请日：2013-10-23
Inventor： Juyoung PARK , Do Young KIM
CPC classification number: G06F3/013 , G06F3/038 , G06F3/0416 , G06F2203/0381
Abstract: A terminal including an eye-tracking unit for tracking a gaze of a user to generate gaze information, a touch sensing unit for sensing a touch of the user to generate touch information, and a controller for performing a touch operation based on the gaze information and the touch information are provided.
Abstract translation: 一种终端，包括用于跟踪用户的凝视以产生凝视信息的眼睛跟踪单元，用于感测用户的触摸以产生触摸信息的触摸感测单元，以及基于注视信息执行触摸操作的控制器，以及 提供触摸信息。
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公开(公告)号：US20150189331A1
公开(公告)日：2015-07-02
申请号：US14577537
申请日：2014-12-19
Inventor： Ki Jong KOO , Do Young KIM
CPC classification number: H04N19/89 , H04L65/602 , H04L65/607 , H04N7/147
Abstract: Provided is an image data communication method. The method comprises generating encoding data by encoding image data, generating recovery data by using the encoding data, generating packets by packetizing the encoding data and the recovery data, and transmitting the generated packets. The generating of the recovery data comprises dividing the encoding data into a plurality of fragmented data, and generating the recovery data by performing an XOR operation on at least two fragmented data among the plurality of fragmented data.
Abstract translation: 提供了一种图像数据通信方法。 该方法包括：通过编码图像数据生成编码数据，通过使用编码数据产生恢复数据，通过打包编码数据和恢复数据产生分组，并发送生成的分组。 恢复数据的生成包括将编码数据划分为多个分段数据，并且通过对多个分段数据中的至少两个分段数据执行异或运算来生成恢复数据。
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公开(公告)号：US20230283563A1
公开(公告)日：2023-09-07
申请号：US18176879
申请日：2023-03-01
Inventor： Do Young KIM , Sun Me KIM , Taesik CHEUNG , Tae Kyu KANG , Jeong-dong RYOO , Yeoncheol RYOO , Chang-ho CHOI
IPC: H04L47/2483 , H04L45/302 , H04L43/106 , H04L69/22 , H04L47/28
CPC classification number: H04L47/2483 , H04L45/302 , H04L43/106 , H04L69/22 , H04L47/28
Abstract: An autonomous quality of service provisioning apparatus and method are disclosed. The apparatus includes a parameter extraction unit receiving a packet transmitted from a transmitting terminal and extracting QoS parameters by analyzing the received packet; and a quality of service reservation unit configured to be associated with a controller that manages and controls resources of the network to request the controller to reserve resources corresponding to the extracted QoS parameters.
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