Apparatus and Method for Processing Multimodal Data Broadcasting and System and Method for Receiving Multimodal Data Broadcasting
    81.
    发明申请
    Apparatus and Method for Processing Multimodal Data Broadcasting and System and Method for Receiving Multimodal Data Broadcasting 审中-公开
    用于处理多模式数据广播的装置和方法以及用于接收多模式数据广播的系统和方法

    公开(公告)号:US20070258701A1

    公开(公告)日:2007-11-08

    申请号:US11587380

    申请日:2005-04-19

    IPC分类号: H04N5/95

    摘要: Disclosed are an apparatus and a method for processing multimodal data broadcasting and a system and a method for receiving multimodal data broadcasting. The multimodal data broadcasting processing apparatus includes: at least one interfacing unit for receiving contents transferred from a data broadcasting server and storing the contents; a multimodal browsing unit for parsing the stored contents, classifying the contents and interpreting the classified contents to generate instructions and data necessary for running a corresponding browsing unit; a graphic browsing unit for generating a graphic output signal according to the instructions and data necessary for running the graphic browsing unit; a voice browsing unit for generating a speech output signal according to the instructions and data necessary for running the voice browsing unit; a graphic output unit for outputting graphics according to the graphic output signal; and a speech output unit for outputting speech according to the speech output signal.

    摘要翻译: 公开了一种用于处理多模式数据广播的装置和方法,以及用于接收多模式数据广播的系统和方法。 多模式数据广播处理装置包括:至少一个接口单元,用于接收从数据广播服务器传送的内容并存储内容; 用于解析存储的内容的多模式浏览单元,对内容进行分类并解释分类内容以生成用于运行相应浏览单元所需的指令和数据; 图形浏览单元,用于根据用于运行图形浏览单元所需的指令和数据产生图形输出信号; 语音浏览单元,用于根据用于运行语音浏览单元所需的指令和数据产生语音输出信号; 图形输出单元,用于根据图形输出信号输出图形; 以及用于根据语音输出信号输出语音的语音输出单元。

    Apparatus And Method For Receiving Digital Television Signal With Backward Compatibility Byte
    82.
    发明申请
    Apparatus And Method For Receiving Digital Television Signal With Backward Compatibility Byte 有权
    用于接收具有向后兼容性字节的数字电视信号的装置和方法

    公开(公告)号:US20070208987A1

    公开(公告)日:2007-09-06

    申请号:US10594466

    申请日:2005-04-01

    IPC分类号: H03M13/25

    摘要: Provided are a Vestigial Side Band (VSB) digital television (DTV) receiver based on is A/53 of the Advanced Television System Committee (ATSC) that can secure backward compatibility of a low-ranked DTV receiver by using parity bytes added to robust data for error correction and obtain RS coding gain from the robust data, and a method thereof. The DTV receiver includes: a receiving unit for receiving a transmission signal including general data and robust data and converting the transmission signal into a base-band signal; an equalizer for determining a symbol level of the transmission signal; a trellis decoder for performing trellis decoding on a symbol of the determined level; a nonsystematic Reed Solomon (NRS) decoder for performing NRS decoding on the trellis-decoded robust data and correcting an error; and a restoring unit for restoring a digital video data stream with respect to the trellis-decoded general data and the NRS-decoded robust data.

    摘要翻译: 提供了一种基于高级电视系统委员会(ATSC)的A / 53的残留边带(VSB)数字电视(DTV)接收机,其可以通过使用添加到鲁棒数据的奇偶校验字节来确保低等级DTV接收机的向后兼容性 用于纠错并从鲁棒数据获得RS编码增益及其方法。 DTV接收机包括:接收单元,用于接收包括通用数据和鲁棒数据的发送信号,并将发送信号转换成基带信号; 均衡器,用于确定发送信号的符号电平; 网格解码器,用于对所确定的级别的符号执行网格解码; 用于对网格解码的鲁棒数据执行NRS解码并校正错误的非系统的Reed Solomon(NRS)解码器; 以及恢复单元,用于相对于网格解码的一般数据和NRS解码的鲁棒数据恢复数字视频数据流。

    In-band adjacent-channel digital audio broadcasting system

    公开(公告)号:US07050511B2

    公开(公告)日:2006-05-23

    申请号:US09967548

    申请日:2001-09-28

    IPC分类号: H03C1/52 H04L27/04

    摘要: The in-band adjacent-channel digital audio broadcasting system includes a scrambling unit for scrambling a signal to be broadcasted, thereby generating a scrambled signal; an outer coding unit for performing a first encoding of the scrambled signal, thereby generating an outer encoded signal; an outer interleaving unit for performing a first interleaving of the outer encoded signal a byte by byte basis, thereby generating an outer interleaved signal; an inner coding unit for performing a second encoding the outer interleaved signal, thereby generating an inner encoded signal; an inner interleaving unit for performing a second interleaving of the inner encoded signal, thereby generating an inner interleaved signal; a modulating unit for modulating the inner interleaved signal, thereby generating an orthogonal frequency division multiplexing (OFDM) symbols; a guard interval inserting unit for inserting a guard interval between the OFDM symbols in order to eliminate an inter-symbol interference, thereby generating an OFDM frame; and an RF processing unit for performing a conversion of the OFDM frame into an analog radio frequency signal so that the OFDM signal can be transmitted in a specific frequency channel of an FM frequency band, and for amplifying and outputting the analog radio frequency signal.

    Apparatus and method for providing broadcasting service and system thereof
    86.
    发明授权
    Apparatus and method for providing broadcasting service and system thereof 有权
    提供广播业务的装置及方法及其系统

    公开(公告)号:US08787821B2

    公开(公告)日:2014-07-22

    申请号:US13130226

    申请日:2009-07-21

    IPC分类号: H04H20/74 H04B7/00

    摘要: Disclosed is an apparatus and method for providing a broadcasting service in a single frequency broadcasting network, and a system thereof. The apparatus for receiving broadcasting signals includes an RF receiver configured to receive an RF broadcasting signal having identification information to identify a broadcasting signal transmitter and down-convert the received RF broadcasting signal; a reception characteristic measurer configured to measure reception characteristics of the RF broadcasting signal based on the identification information and generate reception characteristic information; and a reception characteristic transmitter configured to transmit the reception characteristic information to a broadcasting system.

    摘要翻译: 公开了一种在单频广播网络中提供广播服务的装置和方法及其系统。 用于接收广播信号的装置包括:RF接收机,被配置为接收具有标识信息的RF广播信号,以识别广播信号发射机,并对所接收的RF广播信号进行下变频; 接收特性测量器,被配置为基于所述识别信息测量所述RF广播信号的接收特性并产生接收特性信息; 以及接收特性发送器,被配置为向广播系统发送接收特性信息。

    Identification signal analyzing apparatus and method for compensating for separation and attenuation of channel profile
    87.
    发明授权
    Identification signal analyzing apparatus and method for compensating for separation and attenuation of channel profile 有权
    识别信号分析装置和补偿信道分布衰减的方法

    公开(公告)号:US08681911B2

    公开(公告)日:2014-03-25

    申请号:US12676656

    申请日:2008-05-15

    IPC分类号: H03D1/00

    CPC分类号: H04H20/12 H04H20/06

    摘要: Provided is an identification signal analyzing apparatus and method for compensating power of a channel profile occurring at a conventional identification signal analyzing apparatus by using a power compensation. The identification signal analyzing apparatus includes: an identification signal generator for generating an identification signal identical to a known identification signal inserted by a transmission device; a partial correlator for calculating a correlation value between a received signal including the known identification signal inserted by the transmission device and the identification signal generated by the identification signal generator through a partial correlation; a power compensator for compensating power of the correlation value calculated by the partial correlator; and a channel profile extractor for extracting a channel profile from the correlation value compensated by the power compensator.

    摘要翻译: 提供一种识别信号分析装置和方法,用于通过使用功率补偿来补偿在常规识别信号分析装置发生的信道分布的功率。 识别信号分析装置包括:识别信号发生器,用于产生与由传输装置插入的已知识别信号相同的识别信号; 一个部分相关器,用于计算包括由发送装置插入的已知识别信号的接收信号与由识别信号发生器通过部分相关产生的识别信号之间的相关值; 功率补偿器,用于补偿由所述部分相关器计算出的相关值的功率; 以及用于从由功率补偿器补偿的相关值中提取信道分布的信道分布提取器。

    Apparatus and method for measuring individual receiving power using identification signal
    88.
    发明授权
    Apparatus and method for measuring individual receiving power using identification signal 有权
    使用识别信号测量各个接收功率的装置和方法

    公开(公告)号:US08593984B2

    公开(公告)日:2013-11-26

    申请号:US13120756

    申请日:2009-04-13

    CPC分类号: H04B7/2606

    摘要: Provided is an apparatus and method for measuring an individual receiving power using an identification signal of a repeater or a transmitter. The apparatus and method includes a total receiving power measuring unit for measuring a total receiving power from transmitters; an identification signal analyzing unit for extracting a channel profile signal from the signal transmitted from the predetermined transmitter through a multi-path, wherein the predetermined transmitter transmits a signal having the identification signal; and an individual receiving power calculating unit for calculating an individual receiving power from the transmitter based on the measured total receiving power and the extracted channel profile signal.

    摘要翻译: 提供了一种使用中继器或发射机的识别信号来测量各个接收功率的装置和方法。 该装置和方法包括用于测量来自发射机的总接收功率的总接收功率测量单元; 识别信号分析单元,用于从通过多路径从所述预定发射机发送的信号中提取信道分布信号,其中,所述预定发射机发送具有所述识别信号的信号; 以及个体接收功率计算单元,用于基于所测量的总接收功率和所提取的信道分布信号来计算来自发射机的各个接收功率。

    Apparatus and method for compensating feedback path distortion
    90.
    发明授权
    Apparatus and method for compensating feedback path distortion 失效
    用于补偿反馈路径失真的装置和方法

    公开(公告)号:US08514960B2

    公开(公告)日:2013-08-20

    申请号:US12517924

    申请日:2007-12-05

    IPC分类号: H04B7/02

    摘要: Provided are an apparatus and method for compensating a feedback path distortion in a digital broadcasting signal. The apparatus for improving a performance of a pre-equalizer in a transmitter of a digital broadcasting system having a feedback path for adaptively generating a filter coefficient of the pre-equalizer, includes a reference signal generator for generating a reference radio frequency (RF) signal, a feedback path estimator for estimating transmission band characteristic information for the feedback path based on the reference RF signal generated from the reference signal generator, and a feedback path compensator for compensating a demodulated signal transferred through the feedback path based on the estimated transmission band characteristic information from the feedback path estimator and generating a filter coefficient of the pre-equalizer.

    摘要翻译: 提供了一种用于补偿数字广播信号中的反馈路径失真的装置和方法。 用于提高具有用于自适应地生成预均衡器的滤波器系数的反馈路径的数字广播系统的发送机中的前置均衡器的性能的装置包括:参考信号发生器,用于产生参考射频(RF)信号 基于从参考信号发生器产生的参考RF信号估计用于反馈路径的传输频带特性信息的反馈路径估计器,以及用于基于所估计的传输频带特性补偿通过反馈路径传送的解调信号的反馈路径补偿器 来自反馈路径估计器的信息并产生预均衡器的滤波器系数。