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    • 23. 发明申请
    • BROADCAST SIGNAL TRANSMISSION METHOD AND APPARATUS FOR PROVIDING HDR BROADCAST SERVICE
    • 广播信号传输方法和提供HDR广播业务的设备
    • US20160301959A1
    • 2016-10-13
    • US15024197
    • 2014-11-12
    • LG ELECTRONICS INC.
    • Hyunmook OHJongyeul SUHSoojin HWANG
    • H04N21/2343H04N21/236
    • H04N21/234327H04N21/236H04N21/2362H04N21/816
    • The present invention relates to a broadcast signal transmission/reception method and an apparatus therefor for providing a HDR broadcast service. The broadcast signal transmission method according to one embodiment of the present invention comprises the steps of: generating LDR video data by converting the dynamic range of HDR video data; generating residual information; generating a base layer stream by encoding the generated LDR video data; generating an enhancement layer stream by encoding the generated residual information; generating signaling information including information for decoding the enhancement layer stream; multiplexing the generated base layer stream, the enhancement layer stream and the signaling information into one broadcast stream; generating a broadcast signal including the multiplexed broadcast stream; and transmitting the generated broadcast signal.
    • 广播信号发送/接收方法及其装置技术领域本发明涉及一种用于提供HDR广播服务的广播信号发送/接收方法及其装置。 根据本发明的一个实施例的广播信号传输方法包括以下步骤:通过转换HDR视频数据的动态范围来产生LDR视频数据; 产生剩余信息; 通过对生成的LDR视频数据进行编码来生成基本层流; 通过对生成的残差信息进行编码来生成增强层流; 产生包括用于解码增强层流的信息的信令信息; 将生成的基本层流,增强层流和信令信息复用成一个广播流; 生成包括多路广播流的广播信号; 并发送所生成的广播信号。