会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 5. 发明公开
    • RECEPTION DEVICE AND REPRODUCTION METHOD IN RECEPTION DEVICE
    • EMPFANGSVORRICHTUNG IN EEDERGABEVERFAHREN IN EINER EMPFANGSVORRICHTUNG
    • EP3142371A1
    • 2017-03-15
    • EP16170324.4
    • 2016-05-19
    • Alpine Electronics, Inc.
    • Ozaki, Daisuke
    • H04N21/426H04N21/462H04N21/61H04N21/43H04N21/439H04H20/24H04H60/82H04H60/11H04H40/18
    • H04N21/4263H04H20/18H04H20/24H04H20/26H04H40/18H04H60/11H04H60/82H04H2201/60H04N21/4302H04N21/439H04N21/4622H04N21/6125
    • Provided is a reception device (11) capable of rapidly and seamlessly switching reproduction of a broadcasting type content to reproduction of a network type content also when a reception station is changed.
      The reception device (11) capable of switching and reproducing broadcasting type content and network type content having the same contents as the broadcasting type content includes a first broadcasting reception unit (13), a second broadcasting reception unit (15), a network reception unit (17) configured to receive a first network type content having the same contents as a first broadcasting type content and a second network type content having the same contents as a second broadcasting type content, a first temporal difference detection unit (21a) configured to detect a temporal difference in reproduction signal between the first broadcasting type content and the first network type content, a second temporal difference detection unit (21b) configured to detect a temporal difference in reproduction signal between the second broadcasting type content and the second network type content while the first broadcasting type content is being reproduced, a reproduction speed change unit (22) configured to change reproduction speed of the first broadcasting type content to synchronize with the first network type content based on the temporal difference in the first temporal difference detection unit (21a), and an output switch unit capable of switching reproduction of the first broadcasting type content to reproduction of the first network type content when the reproduction signals of the first broadcasting type content and the first network type content are synchronized with each other.
    • 提供一种接收装置(11),其能够在接收站改变时能够快速且无缝地切换广播类型内容的再现到网络类型内容的再现。 能够切换和再现广播类型内容的接收装置(11)和具有与广播类型内容相同内容的网络类型内容包括第一广播接收单元(13),第二广播接收单元(15),网络接收单元 (17),被配置为接收具有与第一广播类型内容相同内容的第一网络类型内容和具有与第二广播类型内容相同内容的第二网络类型内容;第一时间差检测单元(21a),被配置为检测 第一广播类型内容和第一网络类型内容之间的再现信号的时间差;第二时间差检测单元,被配置为检测第二广播类型内容和第二网络类型内容之间的再现信号的时间差异, 正在再现第一广播类型内容,再现速度改变单元(22) 被配置为基于第一时间差检测单元(21a)中的时间差来改变与第一网络类型内容同步的第一广播类型内容的再现速度,以及输出切换单元,其能够切换第一广播类型内容 当第一广播类型内容和第一网络类型内容的再现信号彼此同步时,再现第一网络类型内容。
    • 8. 发明公开
    • BROADCASTING SIGNAL TRANSMITTER AND BROADCASTING SIGNAL TRANSMISSION METHOD
    • RUNDFUNKSIGNAL-SENDER SOWIE RUNDFUNKSIGNALSENDEVERFAHREN
    • EP2950477A1
    • 2015-12-02
    • EP15167659.0
    • 2011-02-23
    • LG Electronics Inc.
    • KO, Woo SukMOON, Sang ChulHONG, Ho Taek
    • H04L1/00H04L25/03H04L27/26H03M13/25H04H60/11H03M13/09
    • A method for transmitting broadcast signals, the method comprising: encoding data in Physical Layer Pipes, PLPs, and L1 signaling information, wherein the encoding further comprises a first encoding for PLPs for Multi-Input Single-Output, MISO, processing, a second encoding for PLPs for Multi-Input Multi-Output, MIMO, processing and a third encoding for the L1 signaling information for MISO processing, wherein the second encoding includes: Forward Error Correction, FEC, encoding data in each PLP for the MIMO processing; Quadrature Amplitude Modulation, QAM, mapping the FEC encoded data into two symbols; MIMO processing the mapped data; cell interleaving the MIMO processed data; and time interleaving the cell interleaved PLP data; building at least two signal frames by mapping the encoded data in the PLPs and the encoded L1 signaling information; pair-wise frequency interleaving data in the built at least two signal frame; and modulating the pair-wise frequency interleaved data in the at least two signal frames by an Orthogonal Frequency Division Multiplexing, OFDM, method; and transmitting two broadcast signals having the modulated data, wherein a signal frame includes a preamble and data symbols, wherein the modulating further includes inserting a P1 symbol and an AP1 symbol into the preamble, wherein the P1 symbol carrying a transmission type and a corresponding preamble identifier and the AP1 symbol carrying additional transmission parameters to detect a broadcast signal, wherein the P1 symbol includes a main part and two portions and the AP1 symbol includes an additional main part and two additional portions, wherein a length of each of the two additional portions in the AP1 symbol is different from a length of each of the two portions in the P1 symbol.
    • 一种用于发送广播信号的方法,所述方法包括:对物理层管道,PLP和L1信令信息中的数据进行编码,其中所述编码还包括用于多输入单输出,MISO,处理,第二编码的PLP的第一编码 用于多输入多输出,MIMO,处理的PLP和用于MISO处理的L1信令信息的第三编码,其中第二编码包括:前向纠错,FEC,用于MIMO处理的每个PLP中的编码数据; 正交幅度调制QAM将FEC编码数据映射成两个符号; MIMO处理映射数据; 小区交织MIMO处理的数据; 以及时间交织所述小区交织的PLP数据; 通过映射PLP中的编码数据和编码的L1信令信息来构建至少两个信号帧; 在构建的至少两个信号帧中的成对频率交织数据; 以及通过正交频分复用OFDM方法调制所述至少两个信号帧中的成对频率交织数据; 以及发送具有所述调制数据的两个广播信号,其中信号帧包括前同步码和数据符号,其中所述调制还包括将P1符号和AP1符号插入所述前同步码,其中携带传输类型的P1符号和对应的前同步码 标识符和携带附加传输参数的AP1符号以检测广播信号,其中P1符号包括主要部分和两部分,并且AP1符号包括附加主部分和两个附加部分,其中两个附加部分中的每一个的长度 在AP1符号中,与P1符号中的两个部分的长度不同。