Audiovisual communication takes place by using both sound and pictures. It is based on both audio and visual communication.
Audiovisual communication is a combination of sight and sound i.e. It uses audible and visual techniques for transmitting messages, information, or idea to create a meaningful picture that is communicative.
For example, when an advertisement for a product or service is displayed on TV intent of picture and sound we can know the product and get interested in buying it. So, the audiovisual aspect makes a great impression on the mind of the audience.
Live telecasts, short films, cinema screens, and videotapes are the most powerful media for audiovisual communication.
Such communication is found most suitable for mass publicity, mass propaganda, and mass education. Large business houses frequently make use of this technique to educate and train their workers and to popularize their products.
The working of a new household appliance like a mixer or a washing machine, the effectiveness of new detergent powder, the energy from milk, and the freshness of new designs in suiting and shirting can be effectively demonstrated through audiovisual means.
In order to make effective use of this technique, it is necessary to make the films and slides attractive and interesting
with clear and precise narration which is easily understandable. It is also advisable to keep the films short and to screen them at an appropriate time.
When communication is done using Sound only, it is called audible communication. There are varieties of bounds around us that are used to communicate any message, information, news, idea, or fact.
There are common techniques for audiovisual communication, which are as follows:
1. Use of Voice: Human voice has a major role in oral communication. Depending on the situation, our voice becomes hard, harsh, soft, or moderate. Appropriate work helps to control a situation, for example; when we are angry, we speak in a loud voice, which states our emotions. When we are in a good mood, we use a soft voice, and therefore our mental state is reflected clearly.
2. Siren: There is a different siren to convey different messages at different times. During Ramadan, Muslims are familiar with sirens at ‘Iftar’ and ‘Sheri’. When an ambulance is running toward the hospital, it uses one kind of siren to notify an emergency. During the war, there is a siren to alert the people and to take safe shelter.
3. Calling Bell: It is used to call a person or to inform the desired person. The sound of the calling bell indicates that the caller is asking someone to come or wants somebody immediately.
4. Ringing Bell: It also signifies different meanings to different sections of people. For example: In a school, there is a use of a bell to aware of the teachers and students regarding time. Also in a rail station, there is a bell used by the stationmaster to permit the standing train to leave the station.
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