基于DM642的视频图像采集压缩传输

由于DSP芯片的强大存储容量和运算速度,成为了视频图像处理技术的基础,H.264是用于编码表示视频信息的新一代标准,具有更低的码率、更高的图像质量和更强的容错能力。通过利用DSP的超长指令字结构(VL1W)和流水线结构并综合应用其它手段设计优化程序,使H.264编码效率大大提高。系统包括视频采集模块、视频编码模块和视频输出模块。根据TMS320DM642的结构和功能特点对编码算法进行内核优化和T264代码优化以增强其有效性。     

录像反馈教学法应用于排球技术教学的实验研究

本文应用文献资料法、实验法、数理统计法,对录像反馈教学法应用于排球选项课教学中进行研究,通过对学生学习兴趣的测量、专业技术的测试进行分析得知:排球选项课教学中,运用录像反馈教学法,有利于提高学生学习排球技术的兴趣和学习积极性;在教学中,可以充分体现出教师的主导性和学生的主体性,建立良好的师生关系,提高教学质量,改善教学效果。     

浅谈图书馆数字资源建设中视频与音频信息的采集

本文从模拟信号的数字化、音视频采编的相关标准、视音频信息采集中的文件格式、视音频节目的编辑整理及非线性编辑系统等方面,探讨了数字资源建设中视频与音频信息采集的有关问题.     

从输入与输出谈视听说教学

本文根据二语习得理论,分析了视听说课上视听输入的优势,以及说这一不可或缺的输出部分。结合实践提出视听说课的教学方法,并通过教学实验证实了它的有效性。     

浅谈图书馆网站视频节目的制作

图书馆网站非常重视运用视频载体来服务网上读者,运用视频栽体来宣传图书馆。笔者从图书馆网站视频制作运用、视频制作设备、视频制作流程以及视频制作要求等几个方面阐述了图书馆网站视频节目的制作特点。参考文献3。     

Fred outdoors: An initial report into the experiences of outdoor activities for an adult who is congenitally deafblind

Abstract

Outdoor Education has long been used with groups that could be described as having “special needs”. Research in this particular area has in the past concentrated on adaptations to equipment and activities, allowing access for people with physical disabilities, and expanding the learning and development opportunities available to those with learning difficulties. This article documents the initial observations made of the experiences of a man, who is congenitally deafblind, when given the opportunity to experience outdoor activities. The article highlights a number of areas, which appear particularly relevant to this specific target group, and may be worthy of further investigation. The use of video technology is also demonstrated to be a valuable research tool when working with people who have multisensory impairments.     

同步录音录像制度的功能、问题与期待

同步录音录像具有规范侦查取证、保障公民权利、证明取证合法以及增强办案能力的制度功能,但新刑事诉讼法中有关同步录音录像的规定比较笼统,实践中选择性录音录像成最大难题。现阶段有必要鼓励对所有刑事案件进行录音录像、对“全程录制”进行严格界定与执行,同时规范同步录音录像的相关操作程序,并在实践中探索同步录音录像实施的制度性保障。     

Reconsidering the use of video clubs for student-teachers' learning during field placement: Lessons drawn from a longitudinal multiple case study

Although video clubs have been used to support (student) teachers' learning through reflection upon practice, less attention has been paid to their potential use for supporting changes in participants' practice over a period of time. Prior work has also largely treated (student) teachers as an undifferentiated whole that benefits in similar ways from video clubs. In this study, we problematize this assumption by drawing on three cases of student teachers to exemplify three different learning paths while participating in a video club during field placement. Reflecting on these findings, we discuss implications for differentiating the video-club approach to address different student teachers.     

影像反馈教学法在羽毛球选项课中的实验研究

本文以中国劳动关系学院学生为研究对象展开实验性研究,采用文献调查法、专家访谈法、问卷调查法、实验对比研究法、数理统计法等研究方法,通过对比在羽毛球选项课中应用影像反馈教学法与传统教学方法在调动学生积极性及各项技术动作等方面的实际差别,总结出影像反馈教学法在羽毛球选项课中的独特优势,同时归纳出高效、适合实际情况的影像反馈教学模式。     

Triggering effects of mobile video marketing in nature tourism: Media richness perspective

The aim of this study was to investigate videos as potential triggers of behavior. Therefore, we applied the theories of triggers and media richness to learn about the triggering efficiency of mobile marketing videos on participants’ behavioral intentions. The experiment involved three distinct test groups, each comprising 41 student participants. From the perspective of media richness theory, we observed that the different kinds of videos had quite similar effects in terms of triggering behavioral changes. However, the mechanisms explaining why triggers were present differed for each video. Further, the results reveal that the consumer's position in the information search process was the most significant reason for the triggering of any kind of effect. In addition, the instructionally designed videos were able to exert an affective triggering effect: the more participants liked the video, the more it affected their participation intention and recall scores. This study extends the media richness research by demonstrating that the effects of media richness can vary within technically similar videos, as they form different logical connections among non-verbal visual cues related to a video's storyline.