公开(公告)号：US20100301931A1

公开(公告)日：2010-12-02

申请号：US12744837

申请日：2008-07-29

申请人： Young Kwon Hahm ,  Eun Sook Jin ,  Yun Jeong Song ,  Soo In Lee

发明人： Young Kwon Hahm ,  Eun Sook Jin ,  Yun Jeong Song ,  Soo In Lee

IPC分类号： H03D3/00

CPC分类号： H04L27/38 ,  H04L2027/003 ,  H04L2027/0046 ,  H04L2027/0067

摘要： A recursive demodulation apparatus is provided. Therecursive demodulation apparatus, including: a segment generation unit dividing data symbols with a residual frequency or phase error into a predetermined number of data symbols, and generating a plurality of segments, each of the plurality of segments including the predetermined number of data symbols; and a phase error correction unit sequentially correcting a phase error of each of the data symbols, included in the each of the plurality of segments, for each segment.

摘要翻译： 提供递归解调装置。 一种解调装置，包括：段生成单元，将具有残差频率或相位误差的数据符号划分为预定数量的数据符号，并生成多个段，所述多个段中的每一个包括预定数目的数据符号; 以及相位误差校正单元，对于每个段，顺序地校正包括在所述多个段中的每一个中的每个数据符号的相位误差。

公开(公告)号：US08138824B2

公开(公告)日：2012-03-20

申请号：US12744837

申请日：2008-07-29

申请人： Young Kwon Hahm ,  Eun Sook Jin ,  Yun Jeong Song ,  Soo In Lee

发明人： Young Kwon Hahm ,  Eun Sook Jin ,  Yun Jeong Song ,  Soo In Lee

IPC分类号： H03D3/00 ,  H04L27/22

CPC分类号： H04L27/38 ,  H04L2027/003 ,  H04L2027/0046 ,  H04L2027/0067

摘要： A recursive demodulation apparatus is provided. Therecursive demodulation apparatus, including: a segment generation unit dividing data symbols with a residual frequency or phase error into a predetermined number of data symbols, and generating a plurality of segments, each of the plurality of segments including the predetermined number of data symbols; and a phase error correction unit sequentially correcting a phase error of each of the data symbols, included in the each of the plurality of segments, for each segment.

摘要翻译： 提供递归解调装置。 一种解调装置，包括：段生成单元，将具有残差频率或相位误差的数据符号划分为预定数量的数据符号，并生成多个段，所述多个段中的每一个包括预定数目的数据符号; 以及相位误差校正单元，对于每个段，顺序地校正包括在所述多个段中的每一个中的每个数据符号的相位误差。

公开(公告)号：US20110219415A1

公开(公告)日：2011-09-08

申请号：US13127644

申请日：2009-11-04

申请人： Young Kwon Hahm ,  Yun Jeong Song ,  Soo In Lee

发明人： Young Kwon Hahm ,  Yun Jeong Song ,  Soo In Lee

IPC分类号： H04N7/173

CPC分类号： H04N21/4333 ,  H04N7/17318 ,  H04N21/231 ,  H04N21/6408 ,  H04N21/658

摘要： Provided is a broadcasting receiving method and device. The method detects the time of a televised broadcasting program, and provides the broadcasting program to the user from the start thereof. More specifically, the method requests transmission of the broadcasting program before a first time through the second network at the first time of the broadcasting program before a first time through the second network at the first time of the broadcasting program received through the first network, and stores the broadcasting program received through the first network at the first time. The broadcasting program, which was broadcasted before the first time, received through the second network from the first time to the second time is displayed and the stored broadcasting program after the second time is displayed.

摘要翻译： 提供了一种广播接收方法和装置。 该方法检测电视广播节目的时间，并从广播节目开始向用户提供广播节目。 更具体地，该方法在通过第一网络接收的广播节目的第一时间通过第二网络首次通过第一网络在广播节目的第一时间通过第二网络发送广播节目，并且 在第一时间存储通过第一网络接收的广播节目。 显示在第一次之前通过第二网络从第一次接收到第二次广播的广播节目，并且显示第二次之后存储的广播节目。

公开(公告)号：US07933364B2

公开(公告)日：2011-04-26

申请号：US12473051

申请日：2009-05-27

申请人： Eun Sook Jin ,  Yun Jeong Song ,  Soo In Lee

发明人： Eun Sook Jin ,  Yun Jeong Song ,  Soo In Lee

IPC分类号： H04L27/06

CPC分类号： H04L27/3881

摘要： A method for slicing a symbol in a QAM digital demodulator, includes acquiring a digital integer value by sampling a symbol signal in an in-phase coordinate or a quadrature-phase coordinate; and extracting a symbol bit sequence in the in-phase coordinate or the quadrature-phase coordinate from a whole bit sequence of the digital integer value by using an LSB thereof. Further, a symbol slicer for detecting a QAM symbol, includes digital sampling units, each of which acquires a digital integer value by sampling a symbol signal in an in-phase coordinate or a quadrature-phase coordinate; and a symbol bit sequence extracting unit that extracts a symbol bit sequence in the in-phase coordinate or the quadrature-phase coordinate from a whole bit sequence of the digital integer value by using an LSB thereof.

摘要翻译： 一种用于在QAM数字解调器中对符号进行分片的方法，包括通过对同相坐标或正交相位坐标中的符号信号进行采样来获取数字整数值; 以及通过使用其LSB来从数字整数值的整个比特序列中提取同相坐标或正交相位坐标中的符号比特序列。 此外，用于检测QAM符号的符号限幅器包括数字采样单元，每个采样单元通过对同相坐标或正交相位坐标中的符号信号进行采样来获取数字整数值; 以及符号比特序列提取单元，通过使用其LSB，从数字整数值的整个比特序列中提取同相坐标或正交相位坐标中的符号比特序列。

公开(公告)号：US20090232255A1

公开(公告)日：2009-09-17

申请号：US12473051

申请日：2009-05-27

申请人： Eun Sook JIN ,  Yun Jeong Song ,  Soo In Lee

发明人： Eun Sook JIN ,  Yun Jeong Song ,  Soo In Lee

IPC分类号： H04L27/34

CPC分类号： H04L27/3881

摘要： A method for slicing a symbol in a QAM digital demodulator, includes acquiring a digital integer value by sampling a symbol signal in an in-phase coordinate or a quadrature-phase coordinate; and extracting a symbol bit sequence in the in-phase coordinate or the quadrature-phase coordinate from a whole bit sequence of the digital integer value by using an LSB thereof. Further, a symbol slicer for detecting a QAM symbol, includes digital sampling units, each of which acquires a digital integer value by sampling a symbol signal in an in-phase coordinate or a quadrature-phase coordinate; and a symbol bit sequence extracting unit that extracts a symbol bit sequence in the in-phase coordinate or the quadrature-phase coordinate from a whole bit sequence of the digital integer value by using an LSB thereof.

摘要翻译： 一种用于在QAM数字解调器中对符号进行分片的方法，包括通过对同相坐标或正交相位坐标中的符号信号进行采样来获取数字整数值; 以及通过使用其LSB来从数字整数值的整个比特序列中提取同相坐标或正交相位坐标中的符号比特序列。 此外，用于检测QAM符号的符号限幅器包括数字采样单元，每个采样单元通过对同相坐标或正交相位坐标中的符号信号进行采样来获取数字整数值; 以及符号比特序列提取单元，通过使用其LSB，从数字整数值的整个比特序列中提取同相坐标或正交相位坐标中的符号比特序列。

公开(公告)号：US08019300B2

公开(公告)日：2011-09-13

申请号：US12273176

申请日：2008-11-18

申请人： Yang Su Kim ,  Han Seung Koo ,  Doh-Wook Kim ,  Yun Jeong Song ,  Soo In Lee

发明人： Yang Su Kim ,  Han Seung Koo ,  Doh-Wook Kim ,  Yun Jeong Song ,  Soo In Lee

IPC分类号： H04B1/18 ,  H04B17/02

CPC分类号： H04B1/0053

摘要： Provided are a multi-channel tuning receiver, including: a broadband radio frequency (RF) tuner to receive a broadband signal, divide the broadband signal into a plurality of signals, tune the divided signals, combine the tuned signals into a single signal, and output the combined single signal; an analog-to-digital (A/D) converter to convert the combined single signal to digital signal; a channelizer to extract only a bonded channel from the digital signal; and a plurality of demodulators to demodulate the bonded channel, and a multi-channel tuning method thereof.

摘要翻译： 提供了一种多通道调谐接收机，包括：宽带射频（RF）调谐器，用于接收宽带信号，将宽带信号划分为多个信号，调谐分频信号，将调谐信号组合成单个信号;以及 输出组合单信号; 用于将组合的单个信号转换成数字信号的模拟（A / D）转换器; 信道化器，从数字信号中仅提取绑定信道; 以及多个解调器来解调接合信道，以及多信道调谐方法。

公开(公告)号：US08249864B2

公开(公告)日：2012-08-21

申请号：US12442554

申请日：2007-04-11

申请人： Eung Don Lee ,  Jong Mo Sung ,  Yun Jeong Song ,  Soo In Lee

发明人： Eung Don Lee ,  Jong Mo Sung ,  Yun Jeong Song ,  Soo In Lee

IPC分类号： G10L19/00 ,  G10L15/00

CPC分类号： G10L19/12 ,  G10L2019/0013

摘要： Provided are a fixed codebook search method based on iteration-free global pulse replacement in a speech codec, and a Code-Excited Linear-Prediction (CELP)-based speech codec using the method. The fixed codebook search method based on iteration-free global pulse replacement in a speech codec includes the steps of: (a) determining an initial codevector using a pulse-position likelihood vector or a correlation vector; (b) calculating a fixed-codebook search criterion value for the initial codevector; (c) calculating fixed-codebook search criterion values for respective codevectors obtained by replacing a pulse of the initial codevector each time for respective tracks, and determining a pulse position generating the largest fixed-codebook search criterion value as a candidate pulse position for the respective tracks, respectively; (d) calculating fixed-codebook search criterion values for respective codevectors of all combinations obtained by replacing at least one pulse position of the initial codevector with the candidate pulse positions of the respective tracks, and determining the largest value of the fixed-codebook search criterion values; and (e) comparing the fixed-codebook search criterion value for the initial codevector obtained in step (b) with the largest value determined in step (d) to determine an optimum fixed codevector.

摘要翻译： 提供了一种基于语音编解码器中基于无迭代全局脉冲替换的固定码本搜索方法，以及使用该方法的基于码激励线性预测（CELP）的语音编解码器。 基于语音编解码器中基于无迭代全局脉冲替换的固定码本搜索方法包括以下步骤：（a）使用脉冲位置似然矢量或相关矢量确定初始码矢量; （b）计算初始码矢量的固定码本搜索标准值; （c）通过每次针对各个磁道替换初始码矢量的脉冲而获得的各个码矢量的固定码本搜索条件值计算，并且确定产生最大固定码本搜索标准值的脉冲位置作为相应磁道的候选脉冲位置 轨道; （d）通过将所述初始码矢量的至少一个脉冲位置替换为各个轨道的候选脉冲位置而获得的所有组合的相应代码矢量的固定码本搜索标准值计算，并且确定固定码本搜索标准的最大值 价值观 和（e）将步骤（b）中获得的初始码矢量的固定码本搜索标准值与步骤（d）中确定的最大值进行比较，以确定最佳固定码矢量。

公开(公告)号：US08223824B2

公开(公告)日：2012-07-17

申请号：US12641810

申请日：2009-12-18

申请人： Yang Su Kim ,  Yun Jeong Song ,  Soo In Lee

发明人： Yang Su Kim ,  Yun Jeong Song ,  Soo In Lee

IPC分类号： H04B1/38 ,  H04L5/16

CPC分类号： H04L12/2801 ,  H04N21/2383 ,  H04N21/4382

摘要： A cable modem is provided. The cable modem may include: a plurality of modulators to generate a plurality of pieces of digital data corresponding to a plurality of independent channels; a plurality of digital upconverters to up-convert a frequency of each of the plurality of pieces of digital data into a predetermined frequency; and a Radio Frequency (RF) processor to channel-bond outputs of the plurality of digital upconverters into at least one channel, and generate an analog output signal, the outputs having the predetermined frequency.

摘要翻译： 提供电缆调制解调器。 电缆调制解调器可以包括：多个调制器，用于产生对应于多个独立信道的多个数字数据; 多个数字上变频器，用于将多个数字数据中的每一个的频率上变频为预定频率; 以及射频（RF）处理器，用于将所述多个数字上变频器的输出信号绑定到至少一个通道中，并且产生具有所述预定频率的输出的模拟输出信号。

公开(公告)号：US20100088091A1

公开(公告)日：2010-04-08

申请号：US12442554

申请日：2007-04-11

申请人： Eung Don Lee ,  Jong Mo Sung ,  Yun Jeong Song ,  Soo In Lee

发明人： Eung Don Lee ,  Jong Mo Sung ,  Yun Jeong Song ,  Soo In Lee

IPC分类号： G10L19/00

CPC分类号： G10L19/12 ,  G10L2019/0013

摘要： Provided are a fixed codebook search method based on iteration-free global pulse replacement in a speech codec, and a Code-Excited Linear-Prediction (CELP)-based speech codec using the method. The fixed codebook search method based on iteration-free global pulse replacement in a speech codec includes the steps of: (a) determining an initial codevector using a pulse-position likelihood vector or a correlation vector; (b) calculating a fixed-codebook search criterion value for the initial codevector; (c) calculating fixed-codebook search criterion values for respective codevectors obtained by replacing a pulse of the initial codevector each time for respective tracks, and determining a pulse position generating the largest fixed-codebook search criterion value as a candidate pulse position for the respective tracks, respectively; (d) calculating fixed-codebook search criterion values for respective codevectors of all combinations obtained by replacing at least one pulse position of the initial codevector with the candidate pulse positions of the respective tracks, and determining the largest value of the fixed-codebook search criterion values; and (e) comparing the fixed-codebook search criterion value for the initial codevector obtained in step (b) with the largest value determined in step (d) to determine an optimum fixed codevector.

摘要翻译： 提供了一种基于语音编解码器中基于无迭代全局脉冲替换的固定码本搜索方法，以及使用该方法的基于码激励线性预测（CELP）的语音编解码器。 基于语音编解码器中基于无迭代全局脉冲替换的固定码本搜索方法包括以下步骤：（a）使用脉冲位置似然矢量或相关矢量确定初始码矢量; （b）计算初始码矢量的固定码本搜索标准值; （c）通过每次针对各个磁道替换初始码矢量的脉冲而获得的各个码矢量的固定码本搜索条件值计算，并且确定产生最大固定码本搜索标准值的脉冲位置作为相应磁道的候选脉冲位置 轨道; （d）通过将所述初始码矢量的至少一个脉冲位置替换为各个轨道的候选脉冲位置而获得的所有组合的相应代码矢量的固定码本搜索标准值计算，并且确定固定码本搜索标准的最大值 价值观 和（e）将步骤（b）中获得的初始码矢量的固定码本搜索标准值与步骤（d）中确定的最大值进行比较，以确定最佳固定码矢量。

公开(公告)号：US08520495B2

公开(公告)日：2013-08-27

申请号：US13015168

申请日：2011-01-27

申请人： Byungjun Bae ,  Yun Jeong Song ,  Jong Soo Lim ,  Joungil Yun ,  Kwang-Yong Kim ,  Kyu Tae Yang ,  Soo In Lee

发明人： Byungjun Bae ,  Yun Jeong Song ,  Jong Soo Lim ,  Joungil Yun ,  Kwang-Yong Kim ,  Kyu Tae Yang ,  Soo In Lee

IPC分类号： H04N5/455

CPC分类号： H04H20/42

摘要： A broadcasting signal transmitting device transmits a broadcasting signal including a base layer signal and an enhancement layer signal as well as an additional layer signal relating to the broadcasting signal to a broadcasting signal receiving device. The broadcasting signal receiving device selectively provides the enhancement layer signal and the additional layer signal to the user according to the user's service level. Accordingly, various services are differently provided to the user according to the user level.

摘要翻译： 广播信号发送装置向广播信号接收装置发送包括基本层信号和增强层信号的广播信号以及与广播信号有关的附加层信号。 广播信号接收装置根据用户的服务水平向用户选择性地提供增强层信号和附加层信号。 因此，根据用户级别向用户提供不同的服务。