What are the examples of audio visuals ?.....(Audio Visual Aids & Barriers in Communication)

 

Audio Visual Aids & Barriers in Communication

Audio Visual Aids

• Definition:
• Audio-Visual Aids are instructional devices that communicate messages effectively through sound and visuals.
• Types:
• Audio Aids: Devices that can only be heard.
• Examples:
1. Tape recorder
2. Public address system
3. Telephone
• Visual Aids: Devices that help visualize the message.
• Non-projected:

• Chalkboard
• Bulletin board
• Pictures and photographs
• Flannel graph, flash card, flip chart
• Poster
• Diagrams, maps, charts, and graphs
• Specimens, models, dioramas
• Cartoons

• Projected:

• Slides
• Filmstrip
• Opaque projection
• Overhead projection
• LCD projection

• Audio-Visual Aids: Devices that can be heard and seen simultaneously.
• Examples:
1. Motion pictures (Cinema)
2. Video

Classification of Audio-Visual Aids

• Display Type Visuals: Shown to the audience for viewing.
• Examples: Posters, bulletin boards, models, exhibits.
• Presentation Type Visuals: Presented while explaining the message.
• Examples: Flash cards, slides, filmstrips.

Advantages of Audio-Visual Aids

• Capture audience attention and arouse interest.
• Highlight main points clearly.
• Reduce misinterpretation of concepts.
• Structure the learning process effectively.
• Enhance understanding and retention through multiple senses.
• Provide experiences that are otherwise difficult to obtain.
• Reach diverse audiences regardless of literacy and language.
• Speed up the learning process.
• Adapt to audience reactions and presentation speed.
• Save time for both teacher and learner.

Barriers to Communication

Common Causes of Communication Failure

1. Creation Stage: Ideas may be vague or too general, making them hard to communicate.
2. Encoding: Use of unclear or ambiguous symbols can lead to misunderstandings.
3. Transmitting: Poor speaking skills (mumbling, stammering, speaking too fast) can hinder communication.
4. Reception: External noise or distractions can divert attention from the message.
5. Decoding: Individual backgrounds and expectations affect how symbols are interpreted.
6. Fruition Stage: The audience's understanding may differ from the original message.

Barriers Pertaining to Communicator

• Disregarding audience values and customs due to social status differences.
• Lack of knowledge about the message's validity and usefulness.
• Insufficient understanding of the audience's needs, interests, and abilities.
• Limited knowledge of effective communication methods.

Barriers Pertaining to Message

• Messages that are irrelevant, complex, unattractive, or unclear.
• Conflicts with the audience's major values.
• Unrealistic messages considering local skills and resources.
• Lack of connection to the audience's prior knowledge.

Barriers Pertaining to Audience

• Lack of self-interest in the message.
• Unawareness of the importance of communication.
• Resistance to adopting new technology due to traditional views.
• Fatalistic attitudes that undermine belief in skill and knowledge.