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    • 1. 发明申请
    • METHOD AND APPARATUS FOR PLAYING AN OPTICAL DISC
    • 播放光盘的方法和装置
    • US20100104268A1
    • 2010-04-29
    • US11722202
    • 2005-12-15
    • Yang PengDeclan Patrick KellyDahua HeSheng JinWiebe De Haan
    • Yang PengDeclan Patrick KellyDahua HeSheng JinWiebe De Haan
    • H04N5/00
    • G11B27/105G11B27/329G11B2220/216G11B2220/2562
    • The present invention provides a method and apparatus for playing an optical disc, and an optical disc recording apparatus. According to the method provided by the present invention, the description information of the program content and the description information of the enhancement content are first acquired, and then compared with each other; then it is judged whether the program corresponds to the enhancement content according to the result of the comparison; and finally, the program content is played independently of the enhancement content if the program content does not correspond to the enhancement content. With the present invention, the playback problem causing from the non-match of the program content and the enhancement content in an optical disc with the enhancement format resulting from the revision of the optical disc by a conventional optical disc recording apparatus that does not support the enhancement format can be avoided.
    • 本发明提供一种用于播放光盘的方法和装置以及光盘记录装置。 根据本发明提供的方法,首先获取节目内容的描述信息和增强内容的描述信息,然后进行比较; 则根据比较结果判断节目是否对应于增强内容; 最后,如果节目内容不对应于增强内容,则节目内容独立于增强内容播放。 利用本发明,由于通过不支持的光盘记录装置的光盘的修正导致的具有增强格式的光盘中的节目内容的不匹配和增强内容引起的重放问题 增强格式可以避免。
    • 5. 发明申请
    • Methods and systems for presenting and recording class sessions in virtual classroom
    • 在虚拟教室中呈现和录制课堂的方法和系统
    • US20070048719A1
    • 2007-03-01
    • US10563848
    • 2004-07-06
    • Dahua HeYang PengSheng Jin
    • Dahua HeYang PengSheng Jin
    • G09B3/00
    • G09B5/14G09B5/067G09B7/00
    • The present invention provides an improved distance learning solution. According to one embodiment of the invention, there provides a method for delivering a class session to students with client terminals in a virtual classroom. In this method, operations performed at a super client terminal in accordance with a teacher's actions are interpreted. The operations performed at the super client terminal includes presenting media objects selected by the teacher, that are prestored on a storage medium such as an optical disc. Then, relevant commands and parameters based on the teacher's actions are sent to client terminals to cause similar operations to be performed on the client terminals. In this way, the students' experience relating to presentation of the media objects at the clients terminals is controlled based on the operations performed at the super client. The whole class session in the virtual classroom including all the interactions among the class participants can be recorded and subsequently simulated.
    • 本发明提供一种改进的距离学习解决方案。 根据本发明的一个实施例,提供了一种用于在具有虚拟教室的客户终端的学生中递送班级会话的方法。 在该方法中,解释根据教师动作在超级客户终端执行的操作。 在超级客户端终端执行的操作包括将预先存储在诸如光盘的存储介质上的由教师选择的媒体对象。 然后,根据老师的动作将相关的命令和参数发送给客户终端,使客户端进行类似的操作。 以这种方式,基于在超级客户端执行的操作来控制学生在客户终端处呈现媒体对象的经验。 包括课堂参与者之间的所有互动的虚拟教室中的全班课程都可以记录下来,然后进行模拟。
    • 9. 发明申请
    • METHOD AND APPARATUS FOR ERROR CORRECTION OF OPTICAL DISC DATA
    • 光盘数据错误校正的方法和装置
    • US20100067335A1
    • 2010-03-18
    • US11721547
    • 2005-12-08
    • Mo LiDahua HeJin WangYang Peng
    • Mo LiDahua HeJin WangYang Peng
    • G11B20/10
    • G11B20/18G06F11/0748G06F11/0793G06F11/1458G06F11/1464G11B2020/1062G11B2020/1288G11B2220/2541
    • A method and device for error correction of data in an optical disc is provided in the present invention. The method comprises the following steps: obtaining the description information about the error data read from an optical disc; sending request information for error correction, based on the description information, to a network server, where the network server stores the backup data corresponding to the data on the optical disc and the request information for error correction comprises the request for downloading the backup data corresponding to the error data; and replacing the error data with the downloaded backup data, so as to play the optical disc correspondingly. The method and device provided in the present invention can repair data error of various kinds and provide a playing effect of equal quality with the expected playing effect when data is not damaged.
    • 在本发明中提供了一种用于在光盘中数据进行纠错的方法和装置。 该方法包括以下步骤:获取关于从光盘读取的错误数据的描述信息; 将基于描述信息的用于纠错的请求信息发送到网络服务器,其中网络服务器存储与光盘上的数据相对应的备份数据和用于纠错的请求信息,包括下载备份数据对应的请求 到错误数据; 并用下载的备份数据替换错误数据,以便相应地播放光盘。 本发明提供的方法和装置可以在不损坏数据的情况下修复各种数据错误,并提供具有相同质量的播放效果与预期的播放效果。