Robust mode staggercasting fast channel change

    公开(公告)号:US20100315561A1

    公开(公告)日:2010-12-16

    申请号:US12806456

    申请日:2010-08-13

    IPC分类号: H04N5/455 H04N5/50

    摘要: A method and apparatus for staggercasting a plurality of content representative signals includes encoding a first and a corresponding second signal representing each of the plurality of content representative signals. A composite signal is generated comprising the plurality of first and second encoded signals. In the composite signal, each respective second encoded signal is delayed with respect to the corresponding first encoded signal. The first and second encoded signal representing a selected one of the content representative signals is extracted to reproduce the selected content representative signal. The extracted first encoded signal is decoded if an error is detected in the extracted second encoded signal, otherwise the extracted second encoded signal is decoded. When a different content representative signal is newly selected, the first extracted encoded signal is decoded until the delayed second extracted encoded signal is available.

    Robust mode staggercasting fast channel change
    7.
    发明授权
    Robust mode staggercasting fast channel change 有权
    稳健模式交错快速通道更改

    公开(公告)号:US07810124B2

    公开(公告)日:2010-10-05

    申请号:US10543481

    申请日:2004-01-23

    IPC分类号: G04F3/00 G04F13/00 H04N5/445

    摘要: A method and apparatus for staggercasting a plurality of content representative signals includes encoding a first and a corresponding second signal representing each of the plurality of content representative signals. A composite signal is generated comprising the plurality of first and second encoded signals. In the composite signal, each respective second encoded signal is delayed with respect to the corresponding first encoded signal. The first and second encoded signal representing a selected one of the content representative signals is extracted to reproduce the selected content representative signal. The extracted first encoded signal is decoded if an error is detected in the extracted second encoded signal, otherwise the extracted second encoded signal is decoded. When a different content representative signal is newly selected, the first extracted encoded signal is decoded until the delayed second extracted encoded signal is available.

    摘要翻译: 用于交错多个内容代表信号的方法和装置包括编码表示多个内容代表信号中的每一个的第一和相应的第二信号。 产生包括多个第一和第二编码信号的复合信号。 在复合信号中,每个相应的第二编码信号相对于对应的第一编码信号被延迟。 提取表示选择的一个内容代表信号的第一和第二编码信号,以再现所选择的内容代表信号。 如果在提取的第二编码信号中检测到错误,则提取的第一编码信号被解码,否则提取的第二编码信号被解码。 当新选择不同的内容代表信号时,第一提取的编码信号被解码,直到延迟的第二提取的编码信号可用。

    Video comfort noise addition technique
    9.
    发明授权
    Video comfort noise addition technique 有权
    视频舒适噪音添加技术

    公开(公告)号:US07957469B2

    公开(公告)日:2011-06-07

    申请号:US10566881

    申请日:2004-08-04

    IPC分类号: H04N7/12

    摘要: A decoding arrangement for decoding pictures in an incoming video stream includes a noise generator for adding a dither signal containing random noise to the pictures after video decoding, to improve the subjective video quality. The noise generator adds noise to each pixel in an amount correlated to additive noise of pixels in a prior picture, either a previously displayed picture (i.e., a previously decoded picture to which noise has been added), or a previously decoded picture.

    摘要翻译: 用于对输入视频流中的图像进行解码的解码装置包括:噪声发生器,用于在视频解码之后将包含随机噪声的抖动信号加到图像上,以改善主观视频质量。 噪声发生器以与先前图像中的像素的加性噪声​​相关联的量(即,已经被添加了噪声的先前解码的图像)或者先前解码的图像来增加每个像素的噪声。