Film is the most comment element to send message and idea to affect people , which is the best easy way to introduce and promote ideology to people. Thus every country strongly develop the new film technique to enhance their film quality and create lots new thing to draw people's attention. The following passage would be discuses the example about the sound technique and how its function to people. For me, The most important film technique would be the occur of sound film. Nowadays, sound movie is really public, we would not think about the non-sound film and we are not interested in because we get involved in it. But after 1927 ( the year of first sound movie come in , "The Jazz Singer" ) people could watch the animation with black and white only. The technique is about "combine the video track and voice track in one machine". In the beginning ,1910, there are lots of voice about it is impossible and would damage people the original life style because of their inertia of non-sound film. But in that year, Thomas Alva Edison broke the voice of impossible, he make the first machine to play the video and sound in the same time. The influence of it I think its no need to challenge. every machine we use MUST have sound function such as smart phone, computer, TV and the like. Although the machine was develop by Edison, the way to make it public is the sound movie. Not only the occur of sound movie is the best element to enhance people life style, it give a new road to sending the message. After the combine technique occur, Film could play by using live music and use subtitle only, the length of message presenting were limited. After 1910, the production could present the message by dialog talk by actor and actress also the background music and sound effect could be come in same time, the more dramatic element come to customer's eyes. And then which become the necessary element of human's life, change their life style. Although there are some voice about complain Edison's invention, No combining machine no nowadays. Beside sound technique, there are lots of important invention develop in film are really necessary and need for us like computer effect, color movie, the other equipment. Everything of these us need for us because film is the best way to send message to people and they would take the message more easy and clear. Lee Wing Yin, Troy OUHK 11758545 1-12-2017
