Audio media.ppt
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Audio media refers to the recording, transmission, and reproduction of sound for communication, information, and entertainment. It started with the phonautograph in 1857 and has evolved through electric, digital, and MP3 eras. Audio can be in the form of tapes, CDs, or digital files. It has various applications in education like enhancing language learning, providing context for history, and aiding memorization. Teachers can incorporate different audio formats and sources to engage students and complement various subjects.
Audio media.ppt
- 1. AUDIO MEDIA
- 2. It is the recording, transmission, reception, and reproduction of sound used for communication, information dissemination, and entertainment. Audio Media
- 3. Audio media started with the Acoustic Era, when Leon Scott invented the Phonautograph as a scientific device to study sound waves in 1857 History Alexander Graham Bell experimented with the phonotaugraph and created his own version by adding a human ear to make a recording in 1874.
- 4. In Electric Era, Columbia began experiments with a new technology developed by the Western Electric Company The Digital Era was marked by the introduction of the compact disc and the compact disc player. In 1996, a U.S. patent was issued for the MP3, a compressed, low bit-rate audio format that has become the most commonly used audio medium.
- 5. Hearing is to perceive or apprehend by ear or to have the capacity of apprehending sound Hearing vs. Listening Listening is to pay attention to sound or to hear something with thoughtful attention
- 6. Audio Tapes Advantages of using Cassette Tapes: 1.Durable 2.Economical 3.Easy to use 4.Require little storage space
- 7. Audio Tapes Disadvantages: 1.Prone to noise 2.Tape sometimes sticks or tangles 3.Poor frequency response and over-all quality vs. CD’s
- 8. Compact Disc Advantages of using Compact Discs: 1.Random search 2.Very durable 3.No background noise 4.High fidelity
- 9. Compact Disc Disadvantages: 1.Initial expense of equipment 2.Impractical to prepare locally 3.Sensitive to movement
- 10. MPEG/WAVE MP3 (MPEG Audio Layer 3) Audio compression file format that makes large audio files available by shrinking them into smaller files. It is an “open” standards, which means it is available to anyone who has access to the internet. It relies on sampling frequencies, multiple channels and compression algorithms.
- 11. MPEG/WAVE Advantages of using Wave File: 1.High quality of audio files 2.Use of multiple channels for the sound
- 12. Application Audio may be used by the teacher to bring into the classroom sounds which are of significant to the learning process Enhances learning of verbal information Ideal for teacher foreign language. Audio resources allow students to hear words pronounced by native speakers
- 13. Application Useful for those who have reading difficulties, or are nonreaders It can be used as mood music for some subjects like arts Audio is frequently used in rhythmic activities like dancing Related songs can be used as a motivation for a class discussion
- 14. Application Animal voice audio can be used in teaching different animal sounds to kindergarten students Audio book may be used to assess students’ learning comprehension Catchy tunes can help students memorize Math formulas
- 15. Application Recorded audio of historical speeches and lines of prominent people in the past can be used to create an interesting atmosphere in Social Studies class. Radio drama can be used as an activity to assess students’ speech capacity