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    • 32. 发明授权
    • Method and apparatus for processing video and audio data received in decoding system
    • 用于处理在解码系统中接收的视频和音频数据的方法和装置
    • US08582947B2
    • 2013-11-12
    • US13006187
    • 2011-01-13
    • Kui LiHuibin Xia
    • Kui LiHuibin Xia
    • H04N5/935H04N5/932H04N5/92H04N5/917
    • H04N21/4341H04N21/2368H04N21/4305H04N21/4307
    • A method and an apparatus for processing video and audio data received in a decoding system are provided. The method includes the following steps. When a program clock reference (PCR) is unavailable in the system, a system time clock (STC) is recovered by using a presentation time stamp (PTS) of video or audio data, or a linear combination result of the PTS of the video data and the PTS of the audio data. The STC is compared with the PTSs of the currently captured and audio data, and a current data processing mode is determined. A difference between the PTS of the video data and the PTS of the audio data is monitored. An absolute value of the difference is compared with a preset threshold value, and when the absolute value is greater than or equal to the threshold value, an asynchronous play mode is adopted as a system play mode; otherwise, a synchronous play mode is adopted as the system play mode. Through the method and apparatus, synchronization of video signals and audio signals can be achieved when the PCR is unavailable in the decoding system.
    • 提供了一种用于处理在解码系统中接收的视频和音频数据的方法和装置。 该方法包括以下步骤。 当系统中的程序时钟参考(PCR)不可用时,通过使用视频或音频数据的呈现时间戳(PTS)或视频数据的PTS的线性组合结果来恢复系统时钟(STC) 和音频数据的PTS。 将STC与当前捕获和音频数据的PTS进行比较,并确定当前数据处理模式。 监视视频数据的PTS与音频数据的PTS之间的差异。 将差分的绝对值与预设阈值进行比较,当绝对值大于或等于阈值时,采用异步播放模式作为系统播放模式; 否则,采用同步播放模式作为系统播放模式。 通过该方法和装置,当解码系统中的PCR不可用时,可以实现视频信号和音频信号的同步。
    • 33. 发明授权
    • Electronic apparatus and index generation method
    • 电子仪器和指标生成方法
    • US08509598B1
    • 2013-08-13
    • US13611277
    • 2012-09-12
    • Jun Ohashi
    • Jun Ohashi
    • H04N9/80H04N5/935H04N5/783H04N5/93
    • H04N21/8455G11B27/105G11B27/322H04N21/41407H04N21/4332H04N21/4345H04N21/4402H04N21/47217
    • According to one embodiment, an electronic apparatus receives a first packet group of a stream of content data. The apparatus includes a first detector, a second detector and an index generator. The first detector detects a first packet of the first packet group, the first packet including program information. The second detector detects a start packet of a second packet group from the first packet group, the second packet group carrying a randomly accessible video frame. The second detector detects a time stamp from the start packet or another packet having the same packet ID. The index generator generates index information indicating a storage position of the first packet in a buffer and the time stamp.
    • 根据一个实施例,电子设备接收内容数据流的第一分组组。 该装置包括第一检测器,第二检测器和指示发生器。 第一检测器检测第一分组组的第一分组,第一分组包括节目信息。 第二检测器检测来自第一分组组的第二分组组的起始分组,第二分组组携带随机可访问的视频帧。 第二检测器从起始分组或具有相同分组ID的另一个分组检测时间戳。 索引生成器生成指示缓冲器中的第一分组的存储位置和时间戳的索引信息。
    • 35. 发明授权
    • Information processing apparatus, display control method, and storage medium
    • 信息处理装置,显示控制方法和存储介质
    • US08279224B2
    • 2012-10-02
    • US12025286
    • 2008-02-04
    • Tetsuhiro Takanezawa
    • Tetsuhiro Takanezawa
    • G06T11/20G09G5/22H04N5/765H04N5/931H04N5/932H04N5/935
    • H04N9/8205H04N5/77H04N5/782
    • An object of the invention is to improve convenience in using a system capable of recording electronic data in association with time information. To achieve this object, an information processing apparatus of this invention includes a display control device which displays, on a display device together with a time line, time information which is obtained from a timer and associated with electronic data recorded by a recording control device, and a processing device which determines on the basis of the time information associated with the electronic data whether a count of the timer was corrected, wherein if it is determined that the count of the timer was corrected, the display control device displays, on the display device together with the time line, information representing correction contents of the time information.
    • 本发明的目的是提高使用能够与时间信息相关联地记录电子数据的系统的便利性。 为了实现该目的,本发明的信息处理装置包括显示控制装置,其与时间线一起在显示装置上显示从定时器获得并与由记录控制装置记录的电子数据相关联的时间信息, 以及处理装置,其基于与电子数据相关联的时间信息确定计时器的计数是否被校正,其中如果确定计时器的计数被校正,则显示控制装置在显示器上显示 设备与时间线一起,表示时间信息的校正内容的信息。
    • 38. 发明授权
    • Digital multimedia reproducing apparatus and method of providing digital multimedia broadcasting in the digital multimedia reproducing apparatus
    • 数字多媒体再现装置和在数字多媒体再现装置中提供数字多媒体广播的方法
    • US08189987B2
    • 2012-05-29
    • US11638375
    • 2006-12-14
    • Hyun-seok ChoiHan-sub Park
    • Hyun-seok ChoiHan-sub Park
    • H04N5/765H04N5/935H04N5/917
    • H04H40/27H04H20/72H04H20/95
    • A digital multimedia reproducing apparatus capable of receiving and providing digital multimedia broadcasting (DMB) in addition to reproducing moving pictures and music, and a DMB providing method performed in the digital multimedia reproducing apparatus, the digital multimedia reproducing apparatus including: a tuner unit to receive a digital broadcasting signal via a predetermined channel; a channel decoding unit to convert the digital broadcasting signal received from the tuner unit into a digital signal and to produce an MPEG-2 transmission stream therefrom; a decoding unit to demultiplex the MPEG-2 transmission stream to extract video data and audio data and H.264-decode the video data; and a control unit to decode the extracted audio data using bit-sliced arithmetic coding (BSAC) software and to control the decoded audio data and the video data to be output.
    • 一种数字多媒体再现装置,除了再现运动图像和音乐之外还能够接收和提供数字多媒体广播(DMB),以及在数字多媒体再现装置中执行的DMB提供方法,该数字多媒体再现装置包括:调谐器单元, 经由预定信道的数字广播信号; 信道解码单元,用于将从调谐器单元接收的数字广播信号转换为数字信号并从其产生MPEG-2传输流; 解码单元,用于对MPEG-2传输流进行解复用以提取视频数据和音频数据,并对视频数据进行H.264解码; 以及控制单元,使用位分割算术编码(BSAC)软件解码所提取的音频数据,并控制解码的音频数据和要输出的视频数据。