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    • 1. 发明申请
    • Apparatus and method of processing bitstream of embedded codec which is received in units of packets
    • 以分组为单位接收的嵌入式编解码器的比特流的处理装置和方法
    • US20070133619A1
    • 2007-06-14
    • US11635512
    • 2006-12-08
    • Mi LeeDae KimDo Kim
    • Mi LeeDae KimDo Kim
    • H04J3/06H04J3/00
    • H04L47/10H04L29/06027H04L47/2416H04L47/34H04L65/604H04L65/607H04L65/80
    • Provided are a packet processing apparatus and method used when an output bitstream of an embedded codec is divided into a plurality of packets and transmitted accordingly, and more particularly, an efficient packet processing apparatus and method which can reduce deterioration of sound quality which may occur when a packet required for the reproduction of a voice signal is not received due to different arrival times of a plurality of packets at a receiving end if an output bitstream of an embedded codec is divided into the packets and transmitted accordingly through a path or a plurality of paths. In particular, an apparatus for processing packets of an embedded codec is provided. The apparatus includes a packet reception unit receiving packets, a layer information unit identifying layer information from received packets, a bitstream determination unit using the received packets, and a bitstream generation unit generating a new bitstream. The apparatus is used to provide a voice and multimedia service using an embedded codec in a packet network.
    • 提供了当嵌入式编解码器的输出比特流被分成多个分组并相应地发送时使用的分组处理装置和方法,更具体地说,提供一种可以降低可能发生的声音质量恶化的有效分组处理装置和方法, 如果嵌入式编解码器的输出比特流被划分成分组并通过路径或多个分组相应地传送,则由于接收端的多个分组的到达时间不同,则不接收再现语音信号所需的分组 路径。 特别地,提供了一种用于处理嵌入式编解码器的分组的装置。 该装置包括接收分组的分组接收单元,从接收分组识别层信息的层信息单元,使用接收到的分组的比特流确定单元,以及生成新比特流的比特流生成单元。 该装置用于在分组网络中使用嵌入式编解码器来提供语音和多媒体服务。
    • 2. 发明申请
    • Variable-frame speech coding/decoding apparatus and method
    • 可变帧语音编解码装置及方法
    • US20050143979A1
    • 2005-06-30
    • US11006447
    • 2004-12-06
    • Mi LeeDo KimJongmo SungHyun Woo KimHong KangSung JungDae YounHong Kim
    • Mi LeeDo KimJongmo SungHyun Woo KimHong KangSung JungDae YounHong Kim
    • G10L19/14G10L11/06
    • G10L19/24
    • There is provided a speech coding/decoding apparatus and method, in which the input speech signals are classified into several classes in accordance with characteristics of the input speech signals and the input speech signals are coded using frame sizes, quantizer structures, and bit assignment methods corresponding to the determined classes, or in which the frame sizes can be adjusted in accordance with network conditions or codec type of a counter part. Therefore, by optimally adjusting the frame size, the quantizer structure, and the bit assignment method in accordance with the characteristics of input speech, it is possible to improve the performance of the speech coding apparatus, and by adjusting the frame size in accordance with the speech codec type of a counter part, it is also possible to reduce the total end-to-end delay.
    • 提供了一种语音编码/解码装置和方法,其中根据输入的语音信号的特性将输入的语音信号分为几类,并且使用帧大小,量化器结构和比特分配方法对输入的语音信号进行编码 对应于所确定的类别,或者可以根据网络条件或计数器部件的编解码器类型来调整帧大小。 因此,通过根据输入语音的特性优化调整帧大小,量化器结构和比特分配方法,可以提高语音编码装置的性能,并且可以通过根据 语音编解码器类型的计数器部件,也可以减少总的端到端延迟。
    • 3. 发明申请
    • Crash recovery system and method for distributed file server using object based storage
    • 使用基于对象的存储的分布式文件服务器的崩溃恢复系统和方法
    • US20060129614A1
    • 2006-06-15
    • US11231158
    • 2005-09-20
    • Hong KimKi JinYoung KimYoung KimMi LeeMyung Kim
    • Hong KimKi JinYoung KimYoung KimMi LeeMyung Kim
    • G06F17/30
    • G06F11/1435G06F11/1448G06F11/1451G06F11/1464G06F11/1469
    • A crash recovery system and method for distributed file server using object based storage are provided. The system includes: a client for accessing a file system using an object-based storage device (OSDFS), transmitting a command to an object-based storage device (OSD) and accessing a metadata server (MDS); a network for providing an interface and transferring data between the client, the metadata server and the object-based storage device; an object-based storage device for analyzing the command from the client and performing corresponding operations of the command; and a metadata server for storing and managing metadata controlling a direct access to a predetermined file from the client to the object based storage device in order to provide the metadata to the client, and checking and recovering a consistency of the stored and managed metadata when the OSDFS is malfunctioned.
    • 提供了一种使用基于对象的存储的分布式文件服务器的崩溃恢复系统和方法。 该系统包括:用于使用基于对象的存储设备(OSDFS)访问文件系统的客户机,向基于对象的存储设备(OSD)发送命令并访问元数据服务器(MDS); 用于提供接口并在客户端,元数据服务器和基于对象的存储设备之间传送数据的网络; 基于对象的存储装置,用于分析来自客户机的命令并执行命令的相应操作; 以及用于存储和管理元数据的元数据服务器,其控制从客户机到基于对象的存储设备直接访问预定文件,以便向客户端提供元数据,以及当存储和管理的元数据的一致性时 OSDFS发生故障。
    • 6. 发明申请
    • Apparatus for motion estimation of video data
    • 视频数据运动估计装置
    • US20060120455A1
    • 2006-06-08
    • US11290651
    • 2005-11-30
    • Seong ParkSeung KimMi LeeHan ChoHee Jung
    • Seong ParkSeung KimMi LeeHan ChoHee Jung
    • H04N11/02H04N7/12H04N11/04H04B1/66
    • H04N19/567H04N19/147H04N19/176H04N19/19H04N19/43H04N19/51H04N19/61
    • Provided is an apparatus for motion estimation of video data. The apparatus includes a sum of absolute difference (SAD) calculating unit which receives video data and calculates an SAD for each frame of the video data, a motion vector calculating unit which divides each frame of the video data into macroblocks or sub-macroblocks having a predetermined size and calculates a motion vector estimation value using motion vectors or prediction vectors of macroblocks or sub-macroblocks adjacent to each macroblock or sub-macroblock, and a motion updating unit which performs motion estimation on the video data using an SAD calculated by the SAD calculating unit for the macroblocks or the sub-macroblocks adjacent to each macroblock or sub-macroblock having the predetermined size and the motion vector estimation value of the motion vector calculating unit.
    • 提供了一种用于视频数据的运动估计的装置。 该装置包括:接收视频数据并计算视频数据的每帧的SAD的绝对差(SAD)计算单元的和;运动矢量计算单元,其将视频数据的每一帧划分成具有视频数据的宏块或子宏块 使用与每个宏块或子宏块相邻的宏块或子宏块的运动向量或预测向量来计算运动矢量估计值,以及运动更新单元,其使用由SAD计算的SAD对视频数据执行运动估计 与具有预定尺寸的每个宏块或子宏块相邻的宏块或子宏块的计算单元和运动矢量计算单元的运动矢量估计值。
    • 8. 发明申请
    • Forward and Reverse Link Automatic Power Controlled Repeater and Method
    • 前向和反向链路自动功率控制中继器和方法
    • US20080064354A1
    • 2008-03-13
    • US11943694
    • 2007-11-21
    • Seong LeeDoo MoonMi LeeJae Koo
    • Seong LeeDoo MoonMi LeeJae Koo
    • H04B1/18
    • H04W52/46H04B7/15535H04W52/242H04W52/325
    • In an apparatus to measure a path loss between base-station and repeater, forward and reverse link automatic power controlled repeater of the present invention is comprising that a repeater control part means for controlling the repeater run and to process forward and reverse gain of the repeater using received information; a mobile communication modem means for transferring base-station signal information and base-station power transmission, and providing a wireless connection pathway of the repeater control part; a repeater element management system (EMS) means for transferring an information of base-station with extract to the repeater control part and to exchange of information with the repeater control part to control a repeater through the modem.
    • 在本发明的正向和反向链路自动功率控制中继器的测量装置中,测量基站与中继器之间的路径损耗,包括:中继器控制部分,用于控制中继器的运行和处理中继器的正向和反向增益 使用收到的信息; 移动通信调制解调器装置,用于传送基站信号信息和基站功率传输,以及提供中继器控制部分的无线连接路径; 中继器元件管理系统(EMS)装置,用于将具有提取的基站的信息传送到中继器控制部分,并与中继器控制部分交换信息以通过调制解调器来控制中继器。