This is a form of communication in which messages are sent through sounds and signs.
This form of communication ensures that the receiver gets the message instantly.
It is suitable where both the sender and the receiver know the meaning of specific sounds and signs.
Means of Audio-visual communication
- Television (TV):This is a device that transmits information inform of a series of images on a screen accompanied sound. It is a very effective method of communication since it combines the advantages of image and sound
A television can be a very suitable means of sending urgent messages especially when it gives live coverage of events.
- Siren: This is a device used to produce a loud shrill sound accompanied a flashing light. It is commonly used the police, ambulances, and the fire brigade and security firms to alert the public of the danger involved e.g. the ambulance siren conveys the message that somebody is seriously sick and therefore other motorists should give way.
Advantages of Audio-visual communication
- It reaches many people
- It is more appealing than other means of communication
- Reinforces verbal communication
- May have a lasting effect on the receiver
- Suitable where receivers are illiterate.
Disadvantages of Audio-visual communication
- It is suitable to those people who can interpret the messages correctly
- It is not suitable for confidential messages
- Preparation may take long.