利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

99 条记录 (耗时 0.034 秒)

    Optimized client side rate control and indexed file layout for streaming media
    1.
    发明授权
    Optimized client side rate control and indexed file layout for streaming media 有权
    针对流媒体优化客户端速率控制和索引文件布局

    公开(公告)号：US08379851B2

    公开(公告)日：2013-02-19

    申请号：US12119364

    申请日：2008-05-12

    申请人： Sanjeev Mehrotra ,  Kishore Kotteri ,  Bharath Siravara ,  Thomas W. Holcomb ,  Hui Gao ,  Serge Smirnov

    发明人： Sanjeev Mehrotra ,  Kishore Kotteri ,  Bharath Siravara ,  Thomas W. Holcomb ,  Hui Gao ,  Serge Smirnov

    IPC分类号： H04N7/167 ,  G06F15/16

    CPC分类号： H04L65/607 ,  H04L65/608 ,  H04N21/00

    摘要： An indexed file layout, comprising index information, is defined for segmented streaming of multimedia content. The index information can comprise program description information and streaming segment index information. In addition, the layout can comprise files containing streaming segments of the program, where the streaming segments are each encoded at one or more bitrates independently of other streaming segments of the program. The layout supports client switching between different bitrates at segment boundaries. Optimized client-side rate control of streaming content can be provided by defining a plurality of states, selecting available paths based on constraint conditions, and selecting a best path through the states (e.g., based on a distortion measure). In one client-side rate control solution states correspond to a specific bitrate of a specific streaming segment, and in another client-side rate control solution states correspond to a measure of client buffer fullness.

    摘要翻译： 包括索引信息的索引文件布局被定义用于多媒体内容的分段流。 索引信息可以包括节目描述信息和流分片索引信息。 此外，布局可以包括包含程序的流片段的文件，其中流片段每个以独立于节目的其他流片段的一个或多个比特率进行编码。 该布局支持在段边界处的不同比特率之间的客户端切换。 可以通过定义多个状态，基于约束条件选择可用路径以及选择通过状态的最佳路径（例如，基于失真度量）来提供流内容的优化客户端速率控制。 在一个客户端速率控制解决方案中，状态对应于特定流分段的特定比特率，并且在另一客户端速率控制解决方案状态对应于客户端缓冲区充满度的度量。

    OPTIMIZED CLIENT SIDE RATE CONTROL AND INDEXED FILE LAYOUT FOR STREAMING MEDIA
    2.
    发明申请
    OPTIMIZED CLIENT SIDE RATE CONTROL AND INDEXED FILE LAYOUT FOR STREAMING MEDIA 有权
    优化的客户端速率控制和用于流媒体的索引文件布局

    公开(公告)号：US20090282162A1

    公开(公告)日：2009-11-12

    申请号：US12119364

    申请日：2008-05-12

    申请人： Sanjeev Mehrotra ,  Kishore Kotteri ,  Bharath Siravara ,  Thomas W. Holcomb ,  Hui Gao ,  Serge Smirnov

    发明人： Sanjeev Mehrotra ,  Kishore Kotteri ,  Bharath Siravara ,  Thomas W. Holcomb ,  Hui Gao ,  Serge Smirnov

    IPC分类号： G06F15/173

    CPC分类号： H04L65/607 ,  H04L65/608 ,  H04N21/00

    摘要： An indexed file layout, comprising index information, is defined for segmented streaming of multimedia content. The index information can comprise program description information and streaming segment index information. In addition, the layout can comprise files containing streaming segments of the program, where the streaming segments are each encoded at one or more bitrates independently of other streaming segments of the program. The layout supports client switching between different bitrates at segment boundaries. Optimized client-side rate control of streaming content can be provided by defining a plurality of states, selecting available paths based on constraint conditions, and selecting a best path through the states (e.g., based on a distortion measure). In one client-side rate control solution states correspond to a specific bitrate of a specific streaming segment, and in another client-side rate control solution states correspond to a measure of client buffer fullness.

    摘要翻译： 包括索引信息的索引文件布局被定义用于多媒体内容的分段流。 索引信息可以包括节目描述信息和流分片索引信息。 此外，布局可以包括包含程序的流片段的文件，其中流片段每个以独立于节目的其他流片段的一个或多个比特率进行编码。 该布局支持在段边界处的不同比特率之间的客户端切换。 可以通过定义多个状态，基于约束条件选择可用路径以及选择通过状态的最佳路径（例如，基于失真度量）来提供流内容的优化的客户端速率控制。 在一个客户端速率控制解决方案中，状态对应于特定流分段的特定比特率，并且在另一客户端速率控制解决方案状态对应于客户端缓冲区充满度的度量。

    ENCODING STREAMING MEDIA AS A HIGH BIT RATE LAYER, A LOW BIT RATE LAYER, AND ONE OR MORE INTERMEDIATE BIT RATE LAYERS
    3.
    发明申请
    ENCODING STREAMING MEDIA AS A HIGH BIT RATE LAYER, A LOW BIT RATE LAYER, AND ONE OR MORE INTERMEDIATE BIT RATE LAYERS 有权
    编码流媒体作为高比特率层，低比特率层，以及一个或多个中间比特速率层

    公开(公告)号：US20090279605A1

    公开(公告)日：2009-11-12

    申请号：US12116878

    申请日：2008-05-07

    申请人： Thomas W. Holcomb ,  Sanjeev Mehrotra ,  Serge Smirnov ,  Bharath Siravara

    发明人： Thomas W. Holcomb ,  Sanjeev Mehrotra ,  Serge Smirnov ,  Bharath Siravara

    IPC分类号： H04N7/26

    CPC分类号： H04N19/34 ,  H04N19/114 ,  H04N19/115 ,  H04N19/124 ,  H04N19/14 ,  H04N19/147 ,  H04N19/164 ,  H04N19/166 ,  H04N19/179 ,  H04N19/187

    摘要： A method of encoding an input video stream comprising a video component and an audio component is disclosed. The input video stream is split into a plurality of segments, each comprising a plurality of frames. Each of the segments is encoded as a low bit rate layer, a high bit rate layer, and one or more intermediate bit rate layers. The bit rate of the low bit rate layer is selected such that a network streaming the segment will always be able to stream the segment encoded as the low bit rate layer. The bit rate of the high bit rate layer is selected such that the segment is able to be decoded and played back at or above a quality threshold. The bit rates of the intermediate bit rate layers are produced by applying a bit rate factor to another bit rate.

    摘要翻译： 公开了一种编码包括视频分量和音频分量的输入视频流的方法。 输入视频流被分割成多个段，每个段包括多个帧。 每个段被编码为低比特率层，高比特率层和一个或多个中间比特率层。 选择低比特率层的比特率，使得流分段的网络将总是能够将编码为低比特率层的段流传输。 选择高比特率层的比特率使得该片段能够在质量阈值以上或高于质量阈值时被解码和回放。 中间比特率层的比特率通过将比特率因子应用于另一个比特率来产生。

    Encoding streaming media as a high bit rate layer, a low bit rate layer, and one or more intermediate bit rate layers
    4.
    发明授权
    Encoding streaming media as a high bit rate layer, a low bit rate layer, and one or more intermediate bit rate layers 有权
    将流媒体编码为高比特率层，低比特率层和一个或多个中间比特率层

    公开(公告)号：US08325800B2

    公开(公告)日：2012-12-04

    申请号：US12116878

    申请日：2008-05-07

    申请人： Thomas W. Holcomb ,  Sanjeev Mehrotra ,  Serge Smirnov ,  Bharath Siravara

    发明人： Thomas W. Holcomb ,  Sanjeev Mehrotra ,  Serge Smirnov ,  Bharath Siravara

    IPC分类号： H04N7/12 ,  H04N11/02 ,  H04N11/04

    CPC分类号： H04N19/34 ,  H04N19/114 ,  H04N19/115 ,  H04N19/124 ,  H04N19/14 ,  H04N19/147 ,  H04N19/164 ,  H04N19/166 ,  H04N19/179 ,  H04N19/187

    摘要： A method of encoding an input video stream comprising a video component and an audio component is disclosed. The input video stream is split into a plurality of segments, each comprising a plurality of frames. Each of the segments is encoded as a low bit rate layer, a high bit rate layer, and one or more intermediate bit rate layers. The bit rate of the low bit rate layer is selected such that a network streaming the segment will always be able to stream the segment encoded as the low bit rate layer. The bit rate of the high bit rate layer is selected such that the segment is able to be decoded and played back at or above a quality threshold. The bit rates of the intermediate bit rate layers are produced by applying a bit rate factor to another bit rate.

    摘要翻译： 公开了一种编码包括视频分量和音频分量的输入视频流的方法。 输入视频流被分割成多个段，每个段包括多个帧。 每个段被编码为低比特率层，高比特率层和一个或多个中间比特率层。 选择低比特率层的比特率，使得流分段的网络将总是能够将编码为低比特率层的段流传输。 选择高比特率层的比特率使得该片段能够在质量阈值以上或高于质量阈值时被解码和回放。 中间比特率层的比特率通过将比特率因子应用于另一个比特率来产生。

    CHANNEL EXTENSION CODING FOR MULTI-CHANNEL SOURCE
    5.
    发明申请
    CHANNEL EXTENSION CODING FOR MULTI-CHANNEL SOURCE 有权
    多通道源的通道扩展编码

    公开(公告)号：US20090112606A1

    公开(公告)日：2009-04-30

    申请号：US11925733

    申请日：2007-10-26

    申请人： Sanjeev Mehrotra ,  Kishore Kotteri

    发明人： Sanjeev Mehrotra ,  Kishore Kotteri

    IPC分类号： G10L19/00

    CPC分类号： G10L19/008

    摘要： A multi-channel audio decoder reconstructs multi-channel audio of more than two physical channels from a reduced set of coded channels based on correlation parameters that specify a full power cross-correlation matrix of the physical channels, or merely preserve a partial correlation matrix (such as power of the physical channels, and some subset of cross-correlations between the physical channels, or cross-correlations of the physical channels with coded or virtual channels).

    摘要翻译： 多声道音频解码器基于指定物理信道的全功率互相关矩阵的相关参数来重建来自缩减编码信道集合的多于两个物理信道的多声道音频，或仅保留部分相关矩阵（ 例如物理信道的功率，以及物理信道之间的互相关的一些子集，或者物理信道与编码或虚拟信道的交叉相关性）。

    Channel extension coding for multi-channel source
    6.
    发明授权
    Channel extension coding for multi-channel source 有权
    用于多通道源的通道扩展编码

    公开(公告)号：US08249883B2

    公开(公告)日：2012-08-21

    申请号：US11925733

    申请日：2007-10-26

    申请人： Sanjeev Mehrotra ,  Kishore Kotteri

    发明人： Sanjeev Mehrotra ,  Kishore Kotteri

    IPC分类号： G10L19/00

    CPC分类号： G10L19/008

    摘要： A multi-channel audio decoder reconstructs multi-channel audio of more than two physical channels from a reduced set of coded channels based on correlation parameters that specify a full power cross-correlation matrix of the physical channels, or merely preserve a partial correlation matrix (such as power of the physical channels, and some subset of cross-correlations between the physical channels, or cross-correlations of the physical channels with coded or virtual channels).

    摘要翻译： 多声道音频解码器基于指定物理信道的全功率互相关矩阵的相关参数来重建来自缩减编码信道集合的多于两个物理信道的多声道音频，或仅保留部分相关矩阵（ 例如物理信道的功率，以及物理信道之间的互相关的一些子集，或者物理信道与编码或虚拟信道的交叉相关性）。

    CLIENT-SIDE AUDIO SIGNAL MIXING ON LOW COMPUTATIONAL POWER PLAYER USING BEAT METADATA
    7.
    发明申请
    CLIENT-SIDE AUDIO SIGNAL MIXING ON LOW COMPUTATIONAL POWER PLAYER USING BEAT METADATA 有权
    客户侧音频信号混合使用BEAT元数据的低计算电源播放器

    公开(公告)号：US20090157203A1

    公开(公告)日：2009-06-18

    申请号：US11958331

    申请日：2007-12-17

    申请人： John Bregar ,  Andy Precious ,  Sanjeev Mehrotra ,  Serge Smirnov

    发明人： John Bregar ,  Andy Precious ,  Sanjeev Mehrotra ,  Serge Smirnov

    IPC分类号： G06F17/00

    CPC分类号： G11B20/10527 ,  G11B27/10 ,  G11B2020/10546

    摘要： A low computational power digital audio player achieves beat continuous transitioning between digital audio pieces based on beat metadata, which can be generated via offline processing on a higher computational power computer or via background or idle processing on the digital audio player. The digital audio player produces playlists of beat matching compatible songs based on the metadata, or pick lists of songs that are beat matching compatible with a currently playing song. By facilitating selection of songs with beat matching compatible tempos based on metadata, the beat continuous transitions can be achieved without altering the beat tempo of digital audio pieces, or with simple resampling.

    摘要翻译： 低计算能力数字音频播放器可以基于节拍元数据实现数字音频片段之间的节拍连续转换，其可以通过在较高计算能力计算机上的离线处理或经由数字音频播放器上的背景或空闲处理来生成。 数字音频播放器产生基于元数据的匹配兼容歌曲的播放列表，或者选择与当前播放的歌曲兼容的节拍匹配的歌曲列表。 通过促进基于元数据的匹配匹配兼容节奏的歌曲的选择，可以在不改变数字音频片段的节拍速度的情况下或者通过简单的重采样来实现节拍连续转变。

    Client-side audio signal mixing on low computational power player using beat metadata
    8.
    发明授权
    Client-side audio signal mixing on low computational power player using beat metadata 有权
    使用节拍元数据在低计算能力播放器上的客户端音频信号混合

    公开(公告)号：US08426715B2

    公开(公告)日：2013-04-23

    申请号：US11958331

    申请日：2007-12-17

    申请人： John Bregar ,  Andy Precious ,  Sanjeev Mehrotra ,  Serge Smirnov

    发明人： John Bregar ,  Andy Precious ,  Sanjeev Mehrotra ,  Serge Smirnov

    IPC分类号： G10H1/40

    CPC分类号： G11B20/10527 ,  G11B27/10 ,  G11B2020/10546

    摘要： A low computational power digital audio player achieves beat continuous transitioning between digital audio pieces based on beat metadata, which can be generated via offline processing on a higher computational power computer or via background or idle processing on the digital audio player. The digital audio player produces playlists of beat matching compatible songs based on the metadata, or pick lists of songs that are beat matching compatible with a currently playing song. By facilitating selection of songs with beat matching compatible tempos based on metadata, the beat continuous transitions can be achieved without altering the beat tempo of digital audio pieces, or with simple resampling.

    摘要翻译： 低计算能力数字音频播放器可以基于节拍元数据实现数字音频片段之间的节拍连续转换，其可以通过在较高计算能力计算机上的离线处理或经由数字音频播放器上的背景或空闲处理来生成。 数字音频播放器产生基于元数据的匹配兼容歌曲的播放列表，或者选择与当前播放的歌曲兼容的节拍匹配的歌曲列表。 通过促进基于元数据的匹配匹配兼容节奏的歌曲的选择，可以在不改变数字音频片段的节拍速度的情况下或者通过简单的重采样来实现节拍连续转变。