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1、多媒体教学的意义 多媒体教学的出现使我们的教学进入了一个全新的时代，成为教育领域的一次重要革命。多媒体教学提供了其他教学手段所无法替代的服务，为教学提供了一种全新的教学手段。特别是在新课改的环境下，在更加注重师生交互性，更加注重学生积极参与性的教学模式下，必将更加充分地发挥多媒体教学的优势，使其更好地为素质教育服务The multimedia teaching has made our teaching entered a new era, become a major revolution education field. The multimedia teaching provides o
2、ther teaching means is unable to substitute for the teaching of service, providing a new teaching method. Especially in the new curriculum reform in paying more attention to the environment, teacher-student interaction, pay more attention to students active participation teaching mode, will more ful
3、ly exert the multimedia teaching to the best advantage, make it better for quality education services 多媒体计算机交互式学习环境中,学生可按自己的学习基础、兴趣来选择自己所要学习的内容,可以选择适合自己水平的练习,如果教学软件编得更好,连教学模式也可以选择(如个别化教学模式或协商讨论的模式)。这样学生就有了主动参与的可能。按认知学习理论的观点,人的认识不是外界刺激直接给予的,而是外界刺激与人的内部心理过程相互作用产生的,必须发挥学生的主动性、积极性,才能获得有效的认知。这种主动参与性为学生发挥
4、主动性、积极性创造了很好的条件。Multimedia computer interactive learning environment, students can study basis, according to his own interest to choose oneself must the content of study, can choose to suit oneself level of practice, if teaching software plait better, even the teaching mode can also choose (such as
5、individualized teaching mode or consultation discussion of mode). Such students had active participation of the possible. According to cognitive learning theory, knowledge of people not to directly outside stimulation, but outside stimulation and peoples internal psychological processes interact to
6、produce, must exert students initiative, enthusiasm, can obtain the effective cognitive. This initiative for the students to play initiative, enthusiasm to create a good conditions. 一、多媒体教育应用的重大意义自进入九十年代以来，多媒体技术迅速兴起、蓬勃发展，其应用已遍及国民经济与社会生活的各个角落，正在对人类的生产方式、工作方式乃至生活方式带来巨大的变革。特别是由于多媒体具有图、文、声并茂甚至有活动影象这样的特点
7、，所以能提供最理想的教学环境，它必然会对教育、教学过程产生深刻的影响。这种深刻影响可以用一句话来概括：多媒体技术将会改变教学模式、教学内容、教学手段、教学方法，最终导致整个教育思想、教学理论甚至教育体制的根本变革。多媒体技术之所以对教育领域有如此重大的意义，是由于多媒体技术本身具有许多对于教育、教学过程来说是特别宝贵的特性与功能，这些特性与功能是其他媒体(例如幻灯、投影、电影、录音、录像、电视等)所不具备或是不完全具备的。首先应该说明一点：这里所说的多媒体技术是以计算机为中心的多媒体技术。在前几年的一些书籍中曾提到过多媒体组合教学，那种多媒体的概念不一样，那只是将几种媒体加以简单的组合(例如把
8、幻灯、投影、录音、录相加以组合)。今天的多媒体技术则是以计算机为中心，把语音处理技术、图象处理技术、视听技术都集成在一起，而且把语音信号、图象信号先通过模数转换变成统一的数字信号，这样作以后，计算机就可以很方便地对它们进行存储、加工、控制、编辑、变换，还可以查询、检索。显然，这与原来把多种形式媒体组合在一起是完全不一样的，因为它是通过计算机把几种处理不同媒体信息的技术集成在一起。集成方法就是通过模数转换，全变成数字；而且为了便于加工，便于传输，还要进行数据压缩，传到指定地点以后再还原，有一整套复杂的技术通过计算机来实现。所以现在的多媒体技术，实际上是以多媒体计算机来体现的，下面我就从多媒体计算
9、机四个方面的特性与功能来说明它对教育应用的重大意义。 Since entering the multimedia technology in the 1990s, the rapid rise, vigorous development, its application has been spread all over the national economy and social life, is to every corner of the human production methods, working way and lifestyle brought a great change.
10、 Especially because of the multimedia has figure, words, sound even activities with the characteristics of images that, so can provide the most ideal teaching environment, it will to education, teaching process produce profound effect. The profound influence can be summed up in one sentence: multime
11、dia technology will change teaching mode, teaching contents, teaching means, teaching methods, which eventually led to the whole education ideology, teaching theory even education system change fundamentally. The education field of multimedia technology is so significant meaning, is due to the multi
12、media technology itself has many for education, teaching process is particularly valuable for the characteristics and function, these characteristics and function is to other media (for example the slide, projection, movies, sound recording, video recording, TV, etc.) do not have or not completely h
13、ave. First should note: here said the multimedia technology is a computer center for multimedia technology. Some of the books in the last few years have mentioned too much media mix, that kind of multimedia teaching, thats just not the same concept of several media will be simple combination (for ex
14、ample the slide show, projection, sound recording, video to combine). Todays multimedia technology is computer as the center, the speech processing technology, image processing technology, audio-visual technology are integrated together, and the speech signal, image signal first frequency-field into
15、 unity through digital signals, such as later, computers can easily with their storage, processing, and control, editing and transform, also can search and retrieval. Obviously, this with original put various forms media mix together is completely different, because it is through the computer to han
16、dle different media information several technical integration together. Integration method is through the frequency-field, whole become digital; And to facilitate the processing, facilitate transmission, which will be uploaded to designated location data compression, reduction, later has a set of complex technology through the computer to realize. So now, in fact, the multimedia technology in multimedia computer to reflect, below I went from multimedia computer four aspects th
