-
1.发明申请Method and/or apparatus for color space reduction for transcoding subpicture elements 有权用于代码转换子图像元素的用于色彩空间缩小的方法和/或装置公开(公告)号：US20080204472A1
公开(公告)日：2008-08-28
申请号：US11712113
申请日：2007-02-28
IPC分类号： G09G5/02
CPC分类号： H04N9/68 , G06T11/001
摘要： An apparatus including a first circuit, a second circuit and a third circuit. The first circuit may be configured to collect color statistics. The second circuit may be configured to sort colors based upon the color statistics collected by the first circuit. The third circuit may be configured to generate a mapping function between the sorted colors and a color space of a receiving standard.
摘要翻译： 一种包括第一电路，第二电路和第三电路的装置。 第一电路可以被配置为收集颜色统计。 第二电路可以被配置为基于由第一电路收集的颜色统计来对颜色进行分类。 第三电路可以被配置为在分类颜色和接收标准的颜色空间之间生成映射函数。
-
2.发明授权Rate control for real time transcoding of subtitles for application with limited memory 有权用于具有有限内存的应用程序的字幕实时代码转换的速率控制公开(公告)号：US08311101B2
公开(公告)日：2012-11-13
申请号：US12102173
申请日：2008-04-14
IPC分类号： H04N7/12
CPC分类号： G11B27/10 , G11B27/034 , G11B2220/2562 , H04N5/85 , H04N7/0885
摘要： An apparatus comprising an estimation circuit, a rate control circuit, a queue circuit, and an encoder circuit. The estimation circuit may be configured to generate a size value in response to an input signal comprising (i) a plurality of frames and (ii) a plurality of embedded subtitle elements. The rate control circuit may be configured to (i) generate a control signal, (ii) pass through the plurality of frames, (iii) present a first one or more of subtitle elements for current processing in response to the size value, and (iv) present a second one or more of subtitle elements for subsequent processing. The queue circuit may be configured to (i) receive the second one or more subtitle elements, (ii) present the second one or more of subtitle elements for current processing when the control signal is in a first state and (iii) hold a second one or more subtitle elements for subsequent processing when the control signal is in a second state. The encoder circuit may be configured to generate an output signal in response to (i) the plurality of frames, (ii) the first one or more subtitle elements, and (iii) the second one or more subtitle elements.
摘要翻译： 一种包括估计电路，速率控制电路，队列电路和编码器电路的装置。 估计电路可以被配置为响应于包括（i）多个帧和（ii）多个嵌入字幕元素的输入信号而生成大小值。 速率控制电路可以被配置为：（i）生成控制信号，（ii）通过多个帧，（iii）响应于大小值呈现用于当前处理的第一个或多个字幕元素，以及（ iv）呈现用于后续处理的第二个或多个字幕元素。 队列电路可以被配置为（i）接收第二个一个或多个字幕元素，（ii）当控制信号处于第一状态时呈现用于当前处理的第二个或多个字幕元素，以及（iii）保持第二个 用于当控制信号处于第二状态时用于后续处理的一个或多个字幕元件。 编码器电路可以被配置为响应于（i）多个帧，（ii）第一个一个或多个字幕元件，以及（iii）第二个一个或多个字幕元件来产生输出信号。
-
3.发明授权Transparent methods for altering the video decoder frame-rate in a fixed-frame-rate audio-video multiplex structure 有权用于在固定帧速率音频 - 视频多路复用结构中改变视频解码器帧速率的透明方法公开(公告)号：US08184660B2
公开(公告)日：2012-05-22
申请号：US11227789
申请日：2005-09-15
CPC分类号： H04N21/23614 , H04N21/434 , H04N21/4348 , H04N21/440281
摘要： An apparatus comprising a first circuit and a second circuit. The first circuit may be configured to generate a multiplexed signal at a fixed frame-rate in response to a video input signal. The multiplexed signal comprises one of (i) a pre-defined packet which corresponds to a new frame rate detected on the video input signal when in a first mode (ii) repeated video frames at the fixed frame-rate when in a second mode and (iii) augmented digitally repeated frames at the fixed-rate when in a third mode. The second circuit may be configured to generate a video output signal in response to decoding (i) the multiplexed signal at the new frame rate defined by the pre-defined packet when in the first mode or (ii) the repeated video frames on the multiplexed signal at the fixed frame-rate when in the second mode.
摘要翻译： 一种包括第一电路和第二电路的装置。 第一电路可以被配置为响应于视频输入信号以固定的帧速率产生多路复用信号。 多路复用信号包括以下之一：（i）当处于第一模式（ii）以第二模式以固定帧速率重复视频帧时，对应于在视频输入信号上检测到的新帧速率的预定义分组中的一个;以及 （iii）当处于第三模式时以固定速率增强数字重复帧。 第二电路可以被配置为响应于在第一模式中解码（i）由预定义分组定义的新帧速率的多路复用信号，或者（ii）多路复用的重复视频帧，生成视频输出信号 当处于第二模式时以固定帧速率发送信号。
-
4.发明申请RATE CONTROL FOR REAL TIME TRANSCODING OF SUBTITLES FOR APPLICATION WITH LIMITED MEMORY 有权用于实时转移子集以应用有限内存的速率控制公开(公告)号：US20090219440A1
公开(公告)日：2009-09-03
申请号：US12102173
申请日：2008-04-14
IPC分类号： H04N7/00
CPC分类号： G11B27/10 , G11B27/034 , G11B2220/2562 , H04N5/85 , H04N7/0885
摘要： An apparatus comprising an estimation circuit, a rate control circuit, a queue circuit, and an encoder circuit. The estimation circuit may be configured to generate a size value in response to an input signal comprising (i) a plurality of frames and (ii) a plurality of embedded subtitle elements. The rate control circuit may be configured to (i) generate a control signal, (ii) pass through the plurality of frames, (iii) present a first one or more of subtitle elements for current processing in response to the size value, and (iv) present a second one or more of subtitle elements for subsequent processing. The queue circuit may be configured to (i) receive the second one or more subtitle elements, (ii) present the second one or more of subtitle elements for current processing when the control signal is in a first state and (iii) hold a second one or more subtitle elements for subsequent processing when the control signal is in a second state. The encoder circuit may be configured to generate an output signal in response to (i) the plurality of frames, (ii) the first one or more subtitle elements, and (iii) the second one or more subtitle elements.
摘要翻译： 一种包括估计电路，速率控制电路，队列电路和编码器电路的装置。 估计电路可以被配置为响应于包括（i）多个帧和（ii）多个嵌入字幕元素的输入信号而生成大小值。 速率控制电路可以被配置为：（i）生成控制信号，（ii）通过多个帧，（iii）响应于大小值呈现用于当前处理的第一个或多个字幕元素，以及（ iv）呈现用于后续处理的第二个或多个字幕元素。 队列电路可以被配置为（i）接收第二个一个或多个字幕元素，（ii）当控制信号处于第一状态时呈现用于当前处理的第二个或多个字幕元素，以及（iii）保持第二个 用于当控制信号处于第二状态时用于后续处理的一个或多个字幕元件。 编码器电路可以被配置为响应于（i）多个帧，（ii）第一个一个或多个字幕元件，以及（iii）第二个一个或多个字幕元件来产生输出信号。
-
5.发明授权Robust system for maintaining audio/video synchronization during playback of multimedia streams with no embedded time stamps 有权强大的系统，用于在没有嵌入时间戳的多媒体流播放期间维持音频/视频同步公开(公告)号：US07961792B2
公开(公告)日：2011-06-14
申请号：US11435214
申请日：2006-05-16
CPC分类号： H04N21/8547 , G11B27/10 , H04N21/2368 , H04N21/4307 , H04N21/4325 , H04N21/4341 , H04N21/8106
摘要： An apparatus having a first circuit, a second circuit and a third circuit. The first circuit may be configured to (i) demultiplex a multimedia stream having one or more video and audio streams and (ii) generate one or more video signals and one or more audio data signals in response to demultiplexing the multimedia stream. The multimedia stream may be independent of embedded time stamps. The second circuit may be configured to (i) decode the one or more video data signals and the one or more audio data signals and (ii) generate a video current time signal for each decoded video signal and an audio current time signal for each decoded audio signal. The third circuit may be configured to synchronize the playback of each decoded audio signal and each decoded video signal with the video current time signal and the audio current time signal.
摘要翻译： 一种具有第一电路，第二电路和第三电路的装置。 第一电路可以被配置为（i）解复用具有一个或多个视频和音频流的多媒体流，以及（ii）响应于解复用多媒体流生成一个或多个视频信号和一个或多个音频数据信号。 多媒体流可以独立于嵌入式时间戳。 第二电路可以被配置为（i）解码一个或多个视频数据信号和一个或多个音频数据信号，并且（ii）为每个解码的视频信号和音频当前时间信号生成每个解码的视频信号的视频当前时间信号 音频信号。 第三电路可以被配置为使每个解码的音频信号和每个解码的视频信号的重放与视频当前时间信号和音频当前时间信号同步。
-
6.发明授权Method and/or apparatus for color space reduction for transcoding subpicture elements 有权用于代码转换子图像元素的用于色彩空间缩小的方法和/或装置公开(公告)号：US07688333B2
公开(公告)日：2010-03-30
申请号：US11712113
申请日：2007-02-28
CPC分类号： H04N9/68 , G06T11/001
摘要： An apparatus including a first circuit, a second circuit and a third circuit. The first circuit may be configured to collect color statistics. The second circuit may be configured to sort colors based upon the color statistics collected by the first circuit. The third circuit may be configured to generate a mapping function between the sorted colors and a color space of a receiving standard.
摘要翻译： 一种包括第一电路，第二电路和第三电路的装置。 第一电路可以被配置为收集颜色统计。 第二电路可以被配置为基于由第一电路收集的颜色统计来对颜色进行分类。 第三电路可以被配置为在分类颜色和接收标准的颜色空间之间生成映射函数。
-
7.发明申请Robust system for maintaining audio/video synchronization during playback of multimedia streams with no embedded time stamps 有权强大的系统，用于在没有嵌入时间戳的多媒体流播放期间维持音频/视频同步公开(公告)号：US20070268404A1
公开(公告)日：2007-11-22
申请号：US11435214
申请日：2006-05-16
CPC分类号： H04N21/8547 , G11B27/10 , H04N21/2368 , H04N21/4307 , H04N21/4325 , H04N21/4341 , H04N21/8106
摘要： An apparatus comprising a first circuit, a second circuit and a third circuit. The first circuit may be configured to (i) demultiplex a multimedia stream having one or more video and audio streams and (ii) generate one or more video signals and one or more audio data signals in response to demultiplexing the multimedia stream. The multimedia stream may be independent of embedded time stamps. The second circuit may be configured to (i) decode the one or more video data signals and the one or more audio data signals and (ii) generate a video current time signal for each decoded video signal and an audio current time signal for each decoded audio signal. The third circuit may be configured to synchronize the playback of each decoded audio signal and each decoded video signal with the video current time signal and the audio current time signal.
摘要翻译： 一种包括第一电路，第二电路和第三电路的装置。 第一电路可以被配置为（i）解复用具有一个或多个视频和音频流的多媒体流，以及（ii）响应于解复用多媒体流生成一个或多个视频信号和一个或多个音频数据信号。 多媒体流可以独立于嵌入式时间戳。 第二电路可以被配置为（i）解码一个或多个视频数据信号和一个或多个音频数据信号，并且（ii）为每个解码的视频信号和音频当前时间信号生成每个解码的视频信号的视频当前时间信号 音频信号。 第三电路可以被配置为使每个解码的音频信号和每个解码的视频信号的重放与视频当前时间信号和音频当前时间信号同步。
-
-
-
-
-
-
搜索结果
7 条记录 (耗时 0.012 秒)