Audio media_Edtech101THX


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Edtech101 THX Audio Media Presentation

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Audio media_Edtech101THX

  1. 1. Audio “audire” •to hear
  2. 2. Human Hearing
  3. 3. AUDIO MEDIA • communication that uses audio or recordings • Audio formats • cassettes, CDs, computer files (digital format)
  4. 4. PHONOGRAPH •Invented by Thomas Edison (1877) •First recording device
  5. 5. CARBON MICROPHONE •Invented by Thomas Edison (1877) •First recording device
  6. 6. GRAMOPHONE •Invented by Emil Beliner •Used a platter instead of a cylinder for recording
  7. 7. MAGNETIC RECORDING Cassette Tape
  8. 8. DIGITAL RECORDING Compact Disc
  9. 9. CASSETTE TAPE • invented in the late 1930’s
  10. 10. Advantages: • Reusable • Economical • Easy to use • Requires little storage space • Portable Disadvantages: •Prone to noise •Easily tangled •Poor frequency response •Degrades after too much reusing •Sensitive to magnets, breakage and heat.
  11. 11. COMPACT DISKS • Invented around the late 70’s and early 80’s
  12. 12. Advantages: • Durable than a cassette tape • No background noise • Higher audio quality • Portable • Larger storage space Disadvantages: •Prone to scratches and damaged if not stored properly •Requires special drives to read and write
  13. 13. MP3 (MPEG-1, MPEG-2 AUDIO LAYER 3) • Refers to technology that records, stores and reproduces sound by encoding an audio signal in a digital form instead of analog
  14. 14. Advantages: • High quality of audio files • Use of multiple channels for the sound • Files do not degrade • Easily distributed • Can be played on multiple devices Disadvantages: •Easy file sharing may lead to copyright infringement.
  15. 15. 1. 2. 3. 4. 5. Can be used to improve listening skills Enhances learning for verbal information An ideal way for teaching foreign language Useful tool for those w/ reading disabilities or nonreaders Can be used for recording interviews
  16. 16. Readily available and simple to use Portable Easy to reproduce Inexpensive Resistant to damage
  17. 17. Pacing cannot be changed because audio media follows a fixed sequence Audio contents can be accidentally erased
  18. 18. Audio Books • a recording of a book or magazine being read; first known use was in 1953 • a recording of a text being read
  19. 19. Podcast • a converged medium bringing together audio, the web and portable media player • a program (as of music or talk) made available in digital format for • automatic download over the Internet
  20. 20. Internet radio broadcast • an audio service transmitted via the Internet • usually referred to as webcasting since it is not transmitted broadly through wireless means.
  21. 21. School-on-air • (DZLB of UP Los Baños & DYAC of ViSCA) • Includes music programs and request shows, informative segments and talk • shows and School-on-air programs. • also SOA of ATI Eastern Visayas
  22. 22. Learn a Language • (i.e. Spanish lessons) • site for Spanish language tutorial