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11. 发明申请

US20120218420A1 Apparatus and Method for Calibrating Audio-Visual Signal 有权
标题翻译：用于校准视听信号的装置和方法
公开(公告)号：US20120218420A1
公开(公告)日：2012-08-30
申请号：US13216680
申请日：2011-08-24
申请人： Wen Chieh Yang , Ching Fu Lan , Jen Hsing Wang , Yi Hsuan Lai , Chin Fu Ho , Hsin Chuan Kuo , You-Tsai Cheng , Tai Lai Tung
发明人： Wen Chieh Yang , Ching Fu Lan , Jen Hsing Wang , Yi Hsuan Lai , Chin Fu Ho , Hsin Chuan Kuo , You-Tsai Cheng , Tai Lai Tung
IPC分类号： H04N17/00
CPC分类号： H04N17/00
摘要： An apparatus for calibrating an audio-visual (AV) signal includes a controller for generating a control signal, a controllable filter for selectively filtering the AV signal in response to the control signal to output either the AV signal or a filtered AV signal; and a calibrator for generating a group of calibrating coefficients according to the filtered AV signal and calibrating the AV signal according to the group of calibrating coefficients.
摘要翻译：用于校准视听（AV）信号的装置包括用于产生控制信号的控制器，用于响应于控制信号选择性地过滤AV信号以输出AV信号或经滤波的AV信号的可控滤波器; 以及校准器，用于根据滤波的AV信号生成一组校准系数，并根据校准系数组校准AV信号。

12. 发明申请

US20110161028A1 Signal Processing Apparatus and Method Thereof 有权
标题翻译：信号处理装置及其方法
公开(公告)号：US20110161028A1
公开(公告)日：2011-06-30
申请号：US12979755
申请日：2010-12-28
申请人： Tien Hsin Ho , Shao Ping Hung , Tai-Lai Tung
发明人： Tien Hsin Ho , Shao Ping Hung , Tai-Lai Tung
IPC分类号： G06F19/00 , G01R29/00
CPC分类号： H04B1/7093
摘要： A signal processing apparatus for determining whether a receiving signal is a target signal is provided. The apparatus includes: a sampling device for sampling the receiving signal to generate a plurality of sampled values; a first calculation device, coupled to the sampling device, for generating a plurality of first values according to the sampled values and a plurality of reference values; a second calculation device, coupled to the first calculation device, for grouping the first values into a plurality of value groups, respectively calculating the value groups to generate a plurality of second values and generating a determination value by calculating the second values; and a determination device, coupled to the second calculation device, for determining whether the receiving signal is the target signal by comparing the determination value with a threshold value.
摘要翻译：提供了一种用于确定接收信号是否是目标信号的信号处理装置。该装置包括：采样装置，用于对接收信号进行采样以产生多个采样值; 耦合到采样装置的第一计算装置，用于根据采样值和多个参考值产生多个第一值; 第二计算装置，耦合到第一计算装置，用于将第一值分组为多个值组，分别计算值组以生成多个第二值，并通过计算第二值产生确定值; 以及耦合到所述第二计算装置的确定装置，用于通过将所述确定值与阈值进行比较来确定所述接收信号是否是所述目标信号。

13. 发明申请

US20100284498A1 Circuit for Detecting a Predetermined Symbol in a Digital Data Stream and Associated Method 有权
标题翻译：用于检测数字数据流中的预定符号的电路及相关方法
公开(公告)号：US20100284498A1
公开(公告)日：2010-11-11
申请号：US12728912
申请日：2010-03-22
申请人： Kai-Wen Cheng , Ko-Yin Lai , Yi-Ying Liao , Tai-Lai Tung
发明人： Kai-Wen Cheng , Ko-Yin Lai , Yi-Ying Liao , Tai-Lai Tung
IPC分类号： H04L27/06
CPC分类号： H04L27/2647
摘要： A circuit for detecting a predetermined symbol of a digital data stream includes a frequency shifter, a correlator, a filter and a decision unit. The frequency shifter performs inverse-frequency shifting upon a first data to generate a first frequency-shifted data. The correlator calculates correlation upon the first frequency-shifted data and a second data to generate a correlated data. The filter, coupled to the correlator, filters and the correlated data to generate a filtered correlated data according to a time-domain windowing length. The decision unit, coupled to the filter, determines the predetermined symbol from the digital data stream according to the filtered correlated data.
摘要翻译：用于检测数字数据流的预定符号的电路包括移频器，相关器，滤波器和判定单元。移频器对第一数据进行反频移位以产生第一频移数据。相关器计算第一频移数据的相关性和第二数据以产生相关数据。耦合到相关器的滤波器，滤波器和相关数据，以根据时域开窗长度生成经滤波的相关数据。耦合到滤波器的判定单元根据滤波的相关数据从数字数据流中确定预定符号。

14. 发明授权

US09025674B2 Method for reconstructing digital video data stream and apparatus thereof 有权
标题翻译：重建数字视频数据流的方法及其装置
公开(公告)号：US09025674B2
公开(公告)日：2015-05-05
申请号：US12766268
申请日：2010-04-23
申请人： Yi-Ying Liao , Chien-Jen Hung , Tai-Lai Tung
发明人： Yi-Ying Liao , Chien-Jen Hung , Tai-Lai Tung
IPC分类号： H04N7/12 , H04L27/00 , H04L27/28 , H04L27/06 , H04L7/00 , H04N21/43 , H04N21/434 , H04N21/4385
CPC分类号： H04N21/4305 , H04L27/00 , H04L27/06 , H04L27/28 , H04N7/12 , H04N21/4344 , H04N21/4346 , H04N21/4385
摘要： An apparatus for reconstructing digital video data stream reconstructs a transport stream from a first data stream and a second data stream. Both of the first data stream and the second data stream comprise a plurality of packets, a plurality of input stream time reference (ISCR) values, and a plurality of deleted null packet (DNP) values. The apparatus includes a packet interval detector, that estimates a packet interval according to the first data stream or the second data stream; an alignment unit, that generates an alignment signal according to the ISCR values and the packet interval; an oscillator, coupled to the packet interval detector, that generates an output pulse signal; and a reconstruction controller, that reconstructs the transport stream from the first data stream and the second data stream and outputs the transport stream according to the alignment signal and the output pulse signal. The alignment unit includes a fine tuner for fine tuning a frequency of the output pulse signal according to the ISCR values and a local count.
摘要翻译：用于重建数字视频数据流的装置从第一数据流和第二数据流重构传输流。第一数据流和第二数据流都包括多个分组，多个输入流时间基准（ISCR）值和多个删除的空分组（DNP）值。该装置包括分组间隔检测器，其根据第一数据流或第二数据流估计分组间隔; 对准单元，其根据ISCR值和分组间隔生成对准信号; 耦合到分组间隔检测器的振荡器，其生成输出脉冲信号; 以及重建控制器，其重建来自第一数据流和第二数据流的传输流，并根据对准信号和输出脉冲信号输出传输流。对准单元包括精细调谐器，用于根据ISCR值和本地计数微调输出脉冲信号的频率。

15. 发明申请

US20130253867A1 Signal Processing Method and Associated Apparatus 有权
标题翻译：信号处理方法及相关装置
公开(公告)号：US20130253867A1
公开(公告)日：2013-09-26
申请号：US13613182
申请日：2012-09-13
申请人： Chu-Hsin Chang , Kai-Wen Cheng , Yi-Ying Liao , Tung-Sheng Lin , Tai-Lai Tung
发明人： Chu-Hsin Chang , Kai-Wen Cheng , Yi-Ying Liao , Tung-Sheng Lin , Tai-Lai Tung
IPC分类号： G01R23/16 , G06F19/00
CPC分类号： H04L27/2666 , H04L7/027 , H04L2027/0026
摘要： A signal processing apparatus for receiving a spectral line of an original signal includes a starting point determining module, a searching module and a symbol rate determining module. The starting point determining module finds a maximum energy in the spectral line and determines at least one search starting point according to the maximum energy. From the at least one search starting point, the searching module searches along the spectral line towards a region with a lower energy for at least one minimum energy satisfying a predetermined condition. The symbol rate determining module determines a symbol rate of the original signal according to the at least one minimum energy.
摘要翻译：用于接收原始信号的谱线的信号处理装置包括起始点确定模块，搜索模块和符号率确定模块。起始点确定模块在频谱线中找到最大能量，并根据最大能量确定至少一个搜索起始点。从至少一个搜索起点，搜索模块沿着谱线搜索具有较低能量的区域，以满足满足预定条件的至少一个最小能量。符号率确定模块根据至少一个最小能量确定原始信号的符号率。

16. 发明授权

US08542782B2 Circuit for detecting a digital data stream and associated method 有权
标题翻译：用于检测数字数据流的电路及相关方法
公开(公告)号：US08542782B2
公开(公告)日：2013-09-24
申请号：US12765583
申请日：2010-04-22
申请人： Kai-Wen Cheng , Ko-Yin Lai , Yi-Ying Liao , Tai-Lai Tung
发明人： Kai-Wen Cheng , Ko-Yin Lai , Yi-Ying Liao , Tai-Lai Tung
IPC分类号： H03D1/00
CPC分类号： H04L27/0014 , H04L2027/0026 , H04L2027/0065
摘要： A circuit for detecting a digital data stream includes a first detecting circuit, a second detecting circuit and a decision unit. The digital data stream includes a predetermined symbol having a first data and a second data. The first detecting circuit detects a correlation between the second data and a first frequency-shifted data to generate a first correlated data; and the second detecting circuit detects a correlation between the second data and a second frequency-shifted data to generate a first correlated data, where the first frequency-shifted data and the second frequency-shifted data are generated by performing first frequency-shifting and second frequency-shifting upon the first data, respectively. The decision unit determines a signal status of the digital data stream according to the first and second correlated data.
摘要翻译：用于检测数字数据流的电路包括第一检测电路，第二检测电路和判定单元。数字数据流包括具有第一数据和第二数据的预定符号。第一检测电路检测第二数据与第一频移数据之间的相关，以产生第一相关数据; 并且第二检测电路检测第二数据和第二频移数据之间的相关性，以产生第一相关数据，其中通过执行第一频移和第二频移数据来产生第一频移数据和第二频移数据分别对第一数据进行频移。决定单元根据第一和第二相关数据确定数字数据流的信号状态。

17. 发明申请

US20130148518A1 PACKET RECEIVER AND PACKET PROCESSING METHOD THEREOF 有权
标题翻译：分组接收器和分组处理方法
公开(公告)号：US20130148518A1
公开(公告)日：2013-06-13
申请号：US13432103
申请日：2012-03-28
申请人： Yi-Ying Liao , Ko-Yin Lai , Wei-Hung Liu , Tung-Sheng Lin , Tai-Lai Tung
发明人： Yi-Ying Liao , Ko-Yin Lai , Wei-Hung Liu , Tung-Sheng Lin , Tai-Lai Tung
IPC分类号： H04W24/00
CPC分类号： H04N21/4305 , H04N21/44209
摘要： A packet processing method applied in a packet receiver is provided. An approximate bit rate is first determined according to time stamps of two different packets. The approximate bit rate is corrected according to a time stamp of another packet to generate a fine-tuned bit rate. According to the fine-tuned bit rate, one or more subsequent packets are read out from a buffer. The time stamp of a subsequent packet is provided according to the approximate bit rate.
摘要翻译：提供了一种应用在分组接收机中的分组处理方法。首先根据两个不同数据包的时间戳确定近似比特率。根据另一个分组的时间戳来校正近似比特率以产生微调比特率。根据微调比特率，从缓冲器读出一个或多个后续分组。根据近似比特率提供后续分组的时间戳。

18. 发明授权

US08300719B2 Apparatus for detecting digital video signal parameters and method thereof 有权
标题翻译：用于检测数字视频信号参数的装置及其方法
公开(公告)号：US08300719B2
公开(公告)日：2012-10-30
申请号：US12792265
申请日：2010-06-02
申请人： Kai-Wen Cheng , Jen-Hsing Wang , Ko-Yin Lai , Yi-Ying Liao , Tai-Lai Tung
发明人： Kai-Wen Cheng , Jen-Hsing Wang , Ko-Yin Lai , Yi-Ying Liao , Tai-Lai Tung
IPC分类号： H04K1/10
CPC分类号： H04L27/2659 , H04L27/2655 , H04L27/2666 , H04L27/2675
摘要： A method for detecting digital video signal parameters detects an integer carrier frequency offset (ICFO), a pilot pattern and a carrier mode of a signal received by an Orthogonal Frequency-Division Multiplexing (OFDM) communication system. The method includes receiving a first OFDM symbol comprising a plurality of first frequency-domain sub-carriers and a second OFDM symbol comprising a plurality of second frequency-domain sub-carriers; generating a plurality of sub-carrier correlation results according to the first frequency-domain sub-carrier and the second frequency-domain sub-carrier; and determining a maximum sub-carrier correlation result from the plurality of sub-carrier correlation results; and outputting an ICFO, a pilot pattern and a carrier mode corresponding to the maximum sub-carrier correlation result.
摘要翻译：用于检测数字视频信号参数的方法检测由正交频分复用（OFDM）通信系统接收的信号的整数载波频率偏移（ICFO），导频模式和载波模式。该方法包括接收包括多个第一频域子载波的第一OFDM符号和包括多个第二频域子载波的第二OFDM符号; 根据第一频域子载波和第二频域子载波产生多个子载波相关结果; 以及从所述多个子载波相关结果确定最大子载波相关结果; 并输出对应于最大副载波相关结果的ICFO，导频模式和载波模式。

19. 发明申请

US20110026620A1 Channel Estimation Method and an Associated Apparatus 有权
标题翻译：信道估计方法和相关设备
公开(公告)号：US20110026620A1
公开(公告)日：2011-02-03
申请号：US12834491
申请日：2010-07-12
申请人： Yi-Ying Liao , Tai-Lai Tung
发明人： Yi-Ying Liao , Tai-Lai Tung
IPC分类号： H04L27/28
CPC分类号： H04L25/0224 , H04L5/0048 , H04L25/0212 , H04L25/022
摘要： A channel estimation method, applied to an orthogonal frequency comprises performing a first number of sampling points inverse fast Fourier transformation (IFFT) operation on a preliminary frequency-domain channel response having a second number of response values to generate a first time-domain channel impulse response (CIR), the second number being greater than the first number; performing a time-domain windowing operation on the first time-domain CIR to generate a second time-domain CIR; performing a smoothing operation on a plurality of second time-domain CIRs of successive time points to generate a smooth time-domain CIR; and performing FFT operation on the smooth time-domain CIR to generate a frequency-domain channel response.
摘要翻译：应用于正交频率的信道估计方法包括对具有第二数量的响应值的初步频域信道响应执行第一数量的采样点快速傅里叶逆变换（IFFT）操作，以产生第一时域信道脉冲响应（CIR），第二个数字大于第一个数字; 对所述第一时域CIR进行时域加窗操作，生成第二时域CIR; 对连续时间点的多个第二时域CIR进行平滑处理，生成平滑时域CIR; 对平滑时域CIR进行FFT运算，生成频域信道响应。

20. 发明申请

US20110002422A1 Apparatus for Detecting Digital Video Signal Parameters and Method Thereof 有权
标题翻译：用于检测数字视频信号参数及其方法的装置
公开(公告)号：US20110002422A1
公开(公告)日：2011-01-06
申请号：US12792265
申请日：2010-06-02
申请人： Kai-Wen Cheng , Jen-Hsing Wang , Ko-Yin Lai , Yi-Ying Liao , Tai-Lai Tung
发明人： Kai-Wen Cheng , Jen-Hsing Wang , Ko-Yin Lai , Yi-Ying Liao , Tai-Lai Tung
IPC分类号： H04L27/06
CPC分类号： H04L27/2659 , H04L27/2655 , H04L27/2666 , H04L27/2675
摘要： A method for detecting digital video signal parameters detects an integer carrier frequency offset (ICFO), a pilot pattern and a carrier mode of a signal received by an Orthogonal Frequency-Division Multiplexing (OFDM) communication system. The method includes receiving a first OFDM symbol comprising a plurality of first frequency-domain sub-carriers and a second OFDM symbol comprising a plurality of second frequency-domain sub-carriers; generating a plurality of sub-carrier correlation results according to the first frequency-domain sub-carrier and the second frequency-domain sub-carrier; and determining a maximum sub-carrier correlation result from the plurality of sub-carrier correlation results; and outputting an ICFO, a pilot pattern and a carrier mode corresponding to the maximum sub-carrier correlation result.
摘要翻译：用于检测数字视频信号参数的方法检测由正交频分复用（OFDM）通信系统接收的信号的整数载波频率偏移（ICFO），导频模式和载波模式。该方法包括接收包括多个第一频域子载波的第一OFDM符号和包括多个第二频域子载波的第二OFDM符号; 根据第一频域子载波和第二频域子载波产生多个子载波相关结果; 以及从所述多个子载波相关结果确定最大子载波相关结果; 并输出对应于最大副载波相关结果的ICFO，导频模式和载波模式。

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