System and method for providing terrestrial digital broadcasting service using single frequency network
    21.
    发明申请
    System and method for providing terrestrial digital broadcasting service using single frequency network 失效
    使用单频网络提供地面数字广播业务的系统和方法

    公开(公告)号:US20060253890A9

    公开(公告)日:2006-11-09

    申请号:US10734405

    申请日:2003-12-11

    摘要: Provided is a system and method for terrestrial digital broadcasting service using a single frequency network without additional equipment. The system and method synchronizes input signals into transmitting stations by inserting a transmission synchronization signal into a header of TS periodically, and solves the problematic ambiguity of the trellis encoder by including a trellis encoder switching unit separately and initializing a memory of the trellis encoder. The terrestrial digital broadcasting system includes: a broadcasting station for multiplexing video, voice and additional signals into transport stream (TS) and transmitting the TS to the transmitting stations and a transmitting stations for receiving the TS and broadcast the TS to receiving stations through a single frequency network

    摘要翻译: 提供了一种使用单频网络而无需附加设备的地面数字广播业务的系统和方法。 该系统和方法通过将传输同步信号周期性地插入到TS的报头中来将输入信号同步到发送站中,并通过分别包括网格编码器切换单元和初始化网格编码器的存储器来解决网格编码器的有问题的模糊性。 地面数字广播系统包括:用于将视频,语音和附加信号复用到传输流(TS)中并将TS发送到发射站的广播站和用于接收TS的发射站,并通过单个广播将广播TS接收站 频率网络

    System and method for providing electronic program guide
    22.
    发明申请
    System and method for providing electronic program guide 有权
    提供电子节目指南的系统和方法

    公开(公告)号:US20060161425A1

    公开(公告)日:2006-07-20

    申请号:US10530974

    申请日:2003-04-24

    IPC分类号: G10L19/00

    摘要: Disclosed is a system for providing an electronic program guide and a method of providing the same, the electronic program guide (EPG) being about a plurality of programs supplied through a digital broadcasting system, including the steps of receiving service information transmitted from the digital broadcasting system, and extracting the EPG information from the service information to store the EPG information; analyzing a user's request and extracting EPG information that meets the user's request from the stored EPG information to produce tailored EPG information; converting the tailored EPG information into speech EPG information; and reproducing the speech EPG information as speech to provide users with the EPG information.

    摘要翻译: 公开了一种用于提供电子节目指南的系统及其提供方法,电子节目指南(EPG)是关于通过数字广播系统提供的多个节目,包括以下步骤:接收从数字广播发送的服务信息 系统,并从服务信息中提取EPG信息以存储EPG信息; 分析用户的请求并从存储的EPG信息中提取满足用户请求的EPG信息以产生定制的EPG信息; 将定制的EPG信息转换成语音EPG信息; 并且将语音EPG信息再现为语音以向用户提供EPG信息。

    System and method for providing electronic program guide
    23.
    发明授权
    System and method for providing electronic program guide 有权
    提供电子节目指南的系统和方法

    公开(公告)号:US07769589B2

    公开(公告)日:2010-08-03

    申请号:US10530974

    申请日:2003-04-24

    IPC分类号: G10L13/00

    摘要: Disclosed is a system for providing an electronic program guide and a method of providing the same, the electronic program guide (EPG) being about a plurality of programs supplied through a digital broadcasting system, including the steps of receiving service information transmitted from the digital broadcasting system, and extracting the EPG information from the service information to store the EPG information; analyzing a user's request and extracting EPG information that meets the user's request from the stored EPG information to produce tailored EPG information; converting the tailored EPG information into speech EPG information; and reproducing the speech EPG information as speech to provide users with the EPG information.

    摘要翻译: 公开了一种用于提供电子节目指南的系统及其提供方法,电子节目指南(EPG)是关于通过数字广播系统提供的多个节目,包括以下步骤:接收从数字广播发送的服务信息 系统,并从服务信息中提取EPG信息以存储EPG信息; 分析用户的请求并从存储的EPG信息中提取满足用户请求的EPG信息以产生定制的EPG信息; 将定制的EPG信息转换成语音EPG信息; 并且将语音EPG信息再现为语音以向用户提供EPG信息。

    Kalman-viterbi joint channel equalizer
    24.
    发明申请
    Kalman-viterbi joint channel equalizer 失效
    卡尔曼维特比联合通道均衡器

    公开(公告)号:US20050286622A1

    公开(公告)日:2005-12-29

    申请号:US10511916

    申请日:2003-04-17

    摘要: In a channel equalizer applicable to a digital television receiver, a forward filter and a backward filter perform filtering to an input signal and a predetermined signal. A Viterbi decoder corrects errors during a transmission procedure in a blind mode. A training symbol storing block stores training symbols. An output signal of the Viterbi decoder and symbols are provided to the backward filter in accordance with a blind mode or a training mode. A Kalman gain is calculated in a Kalman gain calculating block and an error signal is calculated by comparing an equalized signal, symbols, and the output signal of the Viterbi decoder with one another. A tap coefficient is updated by using the calculated error signal and the Kalman gain.

    摘要翻译: 在适用于数字电视接收机的信道均衡器中,正向滤波器和反向滤波器对输入信号和预定信号执行滤波。 维特比解码器在盲模式下在传输过程期间校正错误。 训练符号存储块存储训练符号。 维特比解码器和符号的输出信号根据盲模式或训练模式提供给后向滤波器。 在卡尔曼增益计算块中计算卡尔曼增益,并通过将维特比解码器的均衡信号,符号和输出信号彼此进行比较来计算误差信号。 通过使用计算的误差信号和卡尔曼增益来更新抽头系数。

    Digital broadcasting service receiver for improving reception ability by switched beam-forming
    25.
    发明授权
    Digital broadcasting service receiver for improving reception ability by switched beam-forming 有权
    数字广播服务接收机,用于通过切换波束形成提高接收能力

    公开(公告)号:US06946993B2

    公开(公告)日:2005-09-20

    申请号:US10633160

    申请日:2003-07-31

    摘要: A receiver for improving reception ability of digital broadcasting service by switched beam-forming is disclosed. The receiver includes: an array antenna having a plurality of antenna elements for receiving signals of the digital broadcasting service; a demodulation unit for demodulating the receiving signals corresponding to each of antenna elements in the array antenna; beam-forming unit for generating a predetermined number of beam-forming signal by applying a beam-forming weights in order to direct to a predetermined direction according to the modulated signal from the modulation unit; and beam selection unit for selectively receiving signals of desired direction according to the beam forming signal. The present invention effectively eliminates multipath based on space filtering by utilizing beam-forming method with an array antenna for improving receiving performance of digital television broadcasting with VSB.

    摘要翻译: 公开了一种通过切换波束形成来提高数字广播服务的接收能力的接收机。 接收机包括:具有多个天线元件的阵列天线,用于接收数字广播业务的信号; 解调单元,用于解调与阵列天线中的每个天线元件相对应的接收信号; 波束形成单元,用于通过应用波束形成权重来产生预定数量的波束形成信号,以便根据来自调制单元的调制信号指向预定方向; 以及波束选择单元,用于根据波束形成信号选择性地接收期望方向的信号。 本发明通过利用阵列天线的波束形成方法有效地消除了基于空间滤波的多径,从而改善了具有VSB的数字电视广播的接收性能。

    Kalman-viterbi joint channel equalizer
    26.
    发明授权
    Kalman-viterbi joint channel equalizer 失效
    卡尔曼维特比联合通道均衡器

    公开(公告)号:US07548582B2

    公开(公告)日:2009-06-16

    申请号:US10511916

    申请日:2003-04-17

    摘要: In a channel equalizer applicable to a digital television receiver, a forward filter and a backward filter perform filtering to an input signal and a predetermined signal. A Viterbi decoder corrects errors during a transmission procedure in a blind mode. A training symbol storing block stores training symbols. An output signal of the Viterbi decoder and symbols are provided to the backward filter in accordance with a blind mode or a training mode. A Kalman gain is calculated in a Kalman gain calculating block and an error signal is calculated by comparing an equalized signal, symbols, and the output signal of the Viterbi decoder with one another. A tap coefficient is updated by using the calculated error signal and the Kalman gain.

    摘要翻译: 在适用于数字电视接收机的信道均衡器中,正向滤波器和反向滤波器对输入信号和预定信号执行滤波。 维特比解码器在盲模式下在传输过程期间校正错误。 训练符号存储块存储训练符号。 维特比解码器和符号的输出信号根据盲模式或训练模式提供给后向滤波器。 在卡尔曼增益计算块中计算卡尔曼增益,并通过将维特比解码器的均衡信号,符号和输出信号彼此进行比较来计算误差信号。 通过使用计算的误差信号和卡尔曼增益来更新抽头系数。

    Apparatus and method for providing digital broadcasting service based on multiple broadcasting sites and frequency bands
    27.
    发明申请
    Apparatus and method for providing digital broadcasting service based on multiple broadcasting sites and frequency bands 审中-公开
    基于多个广播站点和频段提供数字广播服务的装置和方法

    公开(公告)号:US20060056524A1

    公开(公告)日:2006-03-16

    申请号:US10540892

    申请日:2003-10-21

    IPC分类号: H04K1/10

    摘要: An apparatus for transmitting data in a digital broadcasting system is disclosed. The apparatus includes: a source encoding unit for encoding data to be transmitted and generating source-coded data; a capacity managing unit for dividing the source-coded data into divided data for a plurality of channels in case that an available data capacity for transmitting the source-coded data does not exist in one channel but sum of available data capacities of the multiple channels can accommodate the source-coded data, and adding header information to the divided data; a channel encoding unit for encoding the divided data according to channel environment and generating channel-coded data; and a transmitting unit for multiplexing, modulating and transmitting the channel-coded data through multiple frequency bands and multiple broadcasting sites.

    摘要翻译: 公开了一种在数字广播系统中发送数据的装置。 该装置包括:源编码单元,用于对要发送的数据进行编码并产生源编码数据; 一个容量管理单元,用于在一个信道中不存在用于发送源编码数据的可用数据容量的情况下将源编码数据划分为多个信道的分割数据,但多个信道的可用数据容量之和可以 容纳源编码数据,并将标题信息添加到分割数据; 信道编码单元,用于根据信道环境对划分的数据进行编码并生成信道编码数据; 以及发送单元,用于通过多个频带和多个广播站点复用,调制和发送频道编码数据。

    Apparatus for generating and playing object based audio contents
    28.
    发明授权
    Apparatus for generating and playing object based audio contents 有权
    用于生成和播放基于对象的音频内容的装置

    公开(公告)号:US08351612B2

    公开(公告)日:2013-01-08

    申请号:US12628317

    申请日:2009-12-01

    IPC分类号: H04R5/00 H04R5/02 G10L19/00

    摘要: Disclosed is an object based audio contents generating/playing apparatus. The object based audio contents generating/playing apparatus may include an object audio signal obtaining unit to obtain a plurality of object audio signals by recording a plurality of sound source signals, a recording space information obtaining unit to obtain recording space information with respect to a recording space of the plurality of sound source signals, a sound source location information obtaining unit to obtain sound location information of the plurality of sound source signals, and an encoding unit to generate object based audio contents by encoding at least one of the plurality of object audio signals, the recording space information, and the sound source location information, thereby enabling the object based audio contents to be played using at least one of a WFS scheme and a multi-channel surround scheme regardless of a reproducing environment of the audience.

    摘要翻译: 公开了一种基于对象的音频内容生成/播放装置。 基于对象的音频内容生成/播放装置可以包括通过记录多个声源信号来获得多个对象音频信号的对象音频信号获取单元,记录空间信息获取单元,用于获得关于记录的记录空间信息 多个声源信号的空间,用于获得多个声源信号的声音位置信息的声源位置信息获取单元,以及通过对多个对象音频中的至少一个进行编码来生成基于对象的音频内容的编码单元 信号,记录空间信息和声源位置信息,从而使得能够使用WFS方案和多声道环绕声方案中的至少一种来播放基于对象的音频内容,而不管观众的再现环境如何。

    3D audio signal processing system using rigid sphere and method thereof
    30.
    发明授权
    3D audio signal processing system using rigid sphere and method thereof 失效
    使用刚性球的3D音频信号处理系统及其方法

    公开(公告)号:US07664270B2

    公开(公告)日:2010-02-16

    申请号:US10972029

    申请日:2004-10-22

    IPC分类号: H04R5/00

    摘要: Provided are a three-dimensional audio signal processing system using a rigid sphere and a method thereof. The three-dimensional audio signal processing system of the present research simplifies the shape of a human head into a rigid sphere, acquires three-dimensional audio signals by setting up mikes on the rigid sphere, and applies the acquire three-dimensional audio signals to diverse existing reproduction systems. The system includes a three-dimensional audio signal acquiring unit for acquiring audio signals by using a predetermined number of mikes set up on the rigid sphere; and a three-dimensional audio signal post-processing unit for converting the acquired audio signals to reproduce in diverse reproduction environments such as five-channel, four-channel, headphone, stereo, and stereo dipole reproduction environments.

    摘要翻译: 提供一种使用刚性球的三维音频信号处理系统及其方法。 本研究的三维音频信号处理系统将人体头部的形状简化为刚性球体,通过在刚性球体上设置摩丝来获取三维音频信号,并将采集的三维音频信号应用于多种 现有的复制系统。 该系统包括三维音频信号获取单元,用于通过使用设置在刚性球上的预定数量的移动来获取音频信号; 以及三维音频信号后处理单元,用于将所获取的音频信号转换为在诸如五声道,四声道,耳机,立体声和立体声偶极重现环境的不同的再现环境中再现。