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    • 4. 发明申请
    • Flexible wire grid polarizer and fabricating method thereof
    • 柔性线栅偏振器及其制造方法
    • US20050243447A1
    • 2005-11-03
    • US11117040
    • 2005-04-28
    • Ki LeeSeh Ahn
    • Ki LeeSeh Ahn
    • B32B7/06G02B5/30G02B5/08G02B7/182G02B27/28
    • G02B5/3058B82Y30/00Y10S359/90
    • The present invention provides a flexible wire grid polarizer used in a visible ray band and a fabricating method thereof. The present invention includes the steps of forming a non-adhesive layer on an inner area of a lower substrate, forming a flexible polymer substrate on the lower substrate including the non-adhesive layer, forming a thin metal layer on the flexible polymer substrate, forming a metal grid pattern by etching the thin metal layer, dicing a wafer staying within a boundary of the non-adhesive layer on the lower substrate, and separating the lower substrate including the non-adhesive layer from the diced wafer to complete the flexible wire grid polarizer.
    • 本发明提供了一种用于可见光线带的柔性线栅偏振器及其制造方法。 本发明包括在下基板的内部区域上形成非粘合层的步骤,在包括非粘合层的下基板上形成柔性聚合物基板,在柔性聚合物基板上形成薄金属层,形成 金属网格图案,通过蚀刻薄金属层,切割停留在下基板上的非粘合层的边界内的晶片,以及将包括非粘合剂层的下基板与切割晶片分离以完成柔性线网 偏光片。
    • 10. 发明申请
    • Speech restoration system and method for concealing packet losses
    • 用于隐藏分组丢失的语音恢复系统和方法
    • US20050010401A1
    • 2005-01-13
    • US10615268
    • 2003-07-07
    • Ho SungDae HwangMoon LeeKi LeeYoung ParkDae Youn
    • Ho SungDae HwangMoon LeeKi LeeYoung ParkDae Youn
    • G10L11/06G10L19/00G10L19/04
    • G10L19/005G10L19/04G10L25/93
    • Provided are a speech restoration system and method for concealing packet losses. The system includes a demultiplexer that demultiplexes an input bit stream and divides the input bit stream into several packets; a packet loss concealing unit that produces and outputs a linear spectrum pair (LSP) coefficient representing the vocal tract of voice and an excitation signal corresponding to a lost frame, when a packet loss occurs; and a speech restoring unit that synthesizes voice using the packets input from the demultiplexer, outputs the result as restored voice, and synthesizes voice corresponding to a lost packet using the LSP coefficient and the excitation signal input from the packet loss concealing unit and outputs the result as restored voice when the lost packet is detected, wherein the packet loss concealing unit repeats linear prediction coefficients (LPCs) of a last-received valid frame, produces a first excitation signal for the lost frame using a time scale modification (TSM) method, when the lost frame is voiceless, and produces a second excitation signal by re-estimating a gain parameter based on the first excitation signal, when the lost frame is voiced.
    • 提供了一种用于隐藏分组丢失的语音恢复系统和方法。 该系统包括解复用器,其对输入比特流进行解复用并将输入比特流分成若干分组; 分组丢失隐藏单元,当发生分组丢失时,产生并输出表示语音的声道的线性频谱对(LSP)系数和对应于丢失帧的激励信号; 以及语音恢复单元,其使用从解复用器输入的分组合成语音,将结果输出为恢复的语音,并且使用从分组丢失隐藏单元输入的LSP系数和激励信号来合成与丢失分组对应的语音,并输出结果 作为在检测到丢失分组时的恢复语音,其中分组丢失隐藏单元重复最后接收的有效帧的线性预测系数(LPC),使用时间缩放修改(TSM)方法产生丢失帧的第一激励信号, 当丢失的帧是无声的,并且当丢失的帧被发音时,通过基于第一激励信号重新估计增益参数来产生第二激励信号。