(1) definition
1936, "audio-visual education" was first put forward as a new term. On the one hand, this concept was adopted because of all the equipment used in teaching at that time, such as slides, movies, radio and so on. , used electricity. On the other hand, the name of audio-visual education shows that the existing educational means are different from traditional education and have entered the modernization of education.
(2) Cause analysis
After the influence of American definition of educational technology was introduced into China from AECT 1994, almost all definitions of educational technology were translated, including concepts such as "teaching technology" and "educational technology".
(3) Enlightenment
Professor Guonong Nan once said: "Since its birth, the audio-visual education in China has adapted to the national conditions of China and followed its own development path, that is, the development path centered on the research and application of modern educational media."