教育技术专业英语.pptx
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1、Part 3Media,Media,Technology,Learning&第1页/共51页 Brief Introduction to Unit 8 Several Media&Technologies第2页/共51页Knowledge Objectives(P76)Unit 8 Describe the meaning of multimedia and its roles.State the advantages of hypermedia.Compare and contrast multimedia,hypermedia and interactive media.Describe
2、the types of virtual reality and their differences.Recognize the development and functions of expert systems.第3页/共51页Professional Terms Unit 8 multimedia 多媒体 hypermedia 超媒体 interactive media 交互媒体 virtual reality 虚拟现实 expert systems 专家系统 artificial intelligence 人工智能 qualitative analysis 定向分析 individu
3、alized learning 个别学习 knowledge engineer 知识工程师第4页/共51页Multimedia Unit 8 ABCDE第5页/共51页1.Multimedia 的定义 第一定义 Multimedia describes a number of diverse technolgy that allow visual and audio media to be combined in new ways for the purpose of communicating.多媒体是利用计算机对文本、图形、图像、声音、动画、视频等多种信息为了交流的目的组合在一起第二定义
4、A number of delicate media appliance.多种特定媒体设备。Unit 8 ABCDE第6页/共51页2.Multimedia 定义的发展 during 1970sdescribe a particular theater-based film and slide-show college experience.Unit 8 ABCDE第7页/共51页2.Multimedia 定义的发展 from the 1980s through the late 1990sa category of authoring software(一类“创作”软件)Unit 8 ABC
5、DE第8页/共51页3.MPC(multimedia personal computer)(1)a compact Disk-Read-Only Memory(CD-ROM)(2)a sound board capable of producing high quality soundTwo key components of MPC system(1991)MPC系统的两个关键组成部分Unit 8 ABCDE第9页/共51页4.Applications of multimedia technology At one time,multimedia was primarily used in
6、entertainments and games.一度,多媒体主要是被用于娱乐和游戏。Multimedia has been applied to web page development,computer-based training,electronic periodicals,references,and books,advertising and marketing,and the entertainment industry.如今,多媒体已经被运用与网页的开发,基于计算机的培训,电子期刊,参考书目,书籍,广告,营销和娱乐产业。Unit 8 ABCDE第10页/共51页Hypermed
7、ia Unit 8 ABCDE第11页/共51页1.hypermedia的定义 Hypermedia refers to computer software that use elements of text,graphics,video,and audio connected in such a way that the user can easily move within the information.超媒体是指一种计算机软件,它使用文本,图形,视频及音频等因素建立起来特别的链接方式,使用户可以方便地在各种信息间跳转。Unit 8 ABCDE第12页/共51页第13页/共51页2.超媒
8、体建立的基础 Hypermedia is based on cognitive theories of how people strcture knowledge and how they learn.超媒体是建立在人类认知理论基础上的,认知理论致力于解释人类怎样建立自己的知识结构,怎样学习。It is designed to resemble the way people organize information with concepts and their relationships.人类是利用概念以及概念与概念之间的关系来组织信息的,超媒体的设计类似于这样的结构。Unit 8 ABCD
9、E第14页/共51页3.the intent of hypermedia(超媒体要实现的目的超媒体要实现的目的)the intent of hypermedia is to enable the user to move about within a particular set of information without necessarily using a predetermined structure or sequence.超媒体的目的是使用户在一个特定的信息集合中自由浏览,而不必受到预先指定的结构和顺序的限制。Unit 8 ABCDE第15页/共51页4.计算机超媒体的作用 Br
10、owsing 浏览 Linking 链接 Authoing 创作Unit 8 ABCDE第16页/共51页Interactive Media Unit 8 ABCDE第17页/共51页1.Interactive Media的定义 Interactive media is an intructional delivery systems in which record visual,sound and video materials are presented under computers control to viewers who not only see and hear the pic
11、tures and sounds but also make active responses affecting the pace and sequence of the presentation.交互媒体是一种能够录制视觉资料,听觉材料和视频材料的教学传输系统,在电脑的控制下能够呈现出来,不仅仅能够看见图片,听见声音,而且能够做出积极的反应,影响报告的节奏和顺序。Unit 8 ABCDE第18页/共51页 Interactive media is a powerful and practical method for individualizing and personalizing in
12、struction.交互媒体对于个性化和针对个人学习是一种强大的,切实可行的方式。Unit 8 ABCDE第19页/共51页音频、视频信息反应交互媒体的中心听觉的、视觉的或者言语的刺激键盘、键区、光笔、条形码读出器、触敏屏幕、鼠标学习者Unit 8 ABCDE第20页/共51页Virtual Reality Unit 8 ABCDE第21页/共51页What is Virtual Reality?Virtual Reality是近年来出现的高新技术,也称灵境技术或人工环境。虚拟现实是利用电脑模拟产生一个三维空间的虚拟世界,提供使用者关于视觉、听觉、触觉等感官的模拟,让使用者如同身历其境一般,可
13、以及时、没有限制地观察三度空间内的事物。Unit 8 ABCDE第22页/共51页Unit 8 ABCDE Virtual Reality(VR)is one of the new applications of computer-based technologies.There are actually several levels of virtual realty,from complex,meaning you are completely immersed inside the environment,to augmented,or partially immersed,to des
14、ktop level,meaning you are using your computer to look into.第23页/共51页Unit 8 ABCDE At the complex level,virtual reality is a computer-generated,three-dimensional environment which the users can operate as an active participant(Figure 8-7).在复杂的层面上,虚拟现实是由计算机产生的一个用户可以作为一个活跃的参与者对其进行操作的三维环境。Complex level(
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