Method and apparatus for generating data structures for a hyperlinked television broadcast
    2.
    发明授权
    Method and apparatus for generating data structures for a hyperlinked television broadcast 有权
    用于生成超链接电视广播的数据结构的系统和方法

    公开(公告)号:US07117517B1

    公开(公告)日:2006-10-03

    申请号:US09697775

    申请日:2000-10-26

    IPC分类号: H04N5/445 H04N7/173

    摘要: A system and method of adding hyperlinked information to a television broadcast. The broadcast material is analyzed and one or more regions within a frame are identified. Additional information can be associated with a region, and can be transmitted in encoded form, using timing information to identify the frame with which the information is associated. The system comprising a video source and an encoder that produces a transport stream in communication with the video source, an annotation source, a data packet stream generator that produces encoded annotation data packets in communication with the annotation source and the encoder, and a multiplexer system in communication with the encoder and the data packet stream generator. The encoder provides timestamp information to the data packet stream generator and the data packet stream generator synchronizes annotation data from the annotation source with a video signal from the video source in response to the timestamp information. The multiplexer generates a digital broadcast signal that includes an augmented transport stream from the transport stream and the encoded data packets. A receiver displays the annotation information associated with the video signal in response to a viewer request on a frame by frame basis. A viewer can respond interactively to the material, including performing commercial transactions, by using a backchannel that is provided for interactive communication.

    摘要翻译: 将超链接信息添加到电视广播的系统和方法。 分析广播资料并识别一帧内的一个或多个区域。 附加信息可以与区域相关联,并且可以使用定时信息以编码形式发送以识别信息与之相关联的帧。 该系统包括视频源和编码器,其产生与视频源通信的传输流,注释源,产生与注释源和编码器通信的编码注释数据分组的数据分组流生成器,以及多路复用器系统 与编码器和数据分组流生成器通信。 编码器向数据分组流生成器提供时间戳信息,并且数据分组流生成器响应于时间戳信息,将来自注释源的注释数据与来自视频源的视频信号同步。 复用器产生包括来自传输流和编码数据分组的增强传输流的数字广播信号。 响应于逐帧的观看者请求,接收器显示与视频信号相关联的注释信息。 观众可以通过使用为交互式通信提供的反向信道来交互地响应材料,包括执行商业交易。