| 1. | Mpeg - 4 , as a newly compressing format gradually gets the attention of non - editing system ' s manufacturers
而mpeg - 4作为一种新兴的压缩格式，日益受到非编系统厂商的重视。 |
| 2. | Discussing the further development of network - nle system , and list some problems need to be resolved in future research
最后对非编网络系统的将来进行了展望,探讨了下一步可能的研究工作。 |
| 3. | This paper mainly focus on this problem as follows : analyzing the existed methods used to evaluate the nle system , and pointing out the necessity of testing the video quality is
本文围绕着这个主题,进行了以下的工作:分析了已有的非编网络系统评估方法,指出了视频质量测试的必要性。 |
| 4. | Designing a testing project based on three typical netwok - nle , and testing all related testing parameters . contrasting typical network - nle systems based on the theoretical analysis and the testing results
针对三种典型方式的非编网络系统设计了测试方案,对涉及到的评估指标进行了全面测试。 |
| 5. | Trying to establish a new parameter system which could reflect the performance of network - nle system , and proposing a way to describe the network - nle system by certain parameter and uncertain parameter
尝试建立一种能系统反映非编网络系统性能的指标体系,提出了通过确定性和泛化性两种指标描述非编网络系统的方法。 |
| 6. | Motion - jpeg adopts intra - frame compression to supply the frame accuracy editing . mpeg - 2 adopts hardware to solve this problem . but at present there is no nles cards which can support mpeg - 4 compression format
目前尚无支持mpeg - 4压缩格式的非线性编辑卡， mpeg - 4应用于非编只能采用软件编解码，这在帧精确编辑时会引起素材搜索迟缓的问题。 |
| 7. | After successfully solved frame accuracy editing , mpeg - 2 ' s high compressing effeciency and its advantage in transportation and storge make motion - jpeg gradually disappear from market . mpeg - 2 gradually becomes dominant in nles area
在解决了mpeg2精确到帧的编辑后，加上mpeg2的压缩效率大及其在传输和存储的优势， motion - jpeg将逐渐淡出市场， mpeg - 2逐渐确立其在非编系统的主导地位。 |
| 8. | Dividing the evaluation of network - nle system into four subjects : video quality unit , network bandwidth unit , software function unit and system stability unit . thus , the evaluating and testing method has been developed based on further standardization and specification
尝试将非编网络测试分为视频质量单元、网络带宽单元、软件功能单元、系统稳定性单元等四个项目,并进行了规范化和细化,提出了改进的测试评估方法。 |
| 9. | On data transmission it use the streaming media technology and it make fluent playing in the net . on synchronize playing of multimedia it use smil language and it make the exact synchronization and automatic change media files in line with users " band . on the integration with the distributed resource web it use web service technology and make it can make seamless integration . it is more straight because of the incorpation of time thread and page
《 k12非编多媒体课程制作系统》在数据交换上采用了“国际语言” xml ，这使该制作系统能更好地与其它系统交换数据；在数据传输上采用了流媒体技术，这使制作的多媒体课程在网络上的播放更加流畅；在多种媒体的同步播放上采用了smil语言，这使多种媒体在网络上播放时能准确同步，并能自动根据用户带宽选择媒体文件；在与分布式资源库的整合上采用了webservice技术，这使该制作系统很方便地实现了与分布式资源库的整合；由于采用时间线与页相结合的方式，亦使系统制作更加直观。 |
