Edtech101 THX Audio Media Presentation

2. Audio
“audire”
•to hear

3. Human Hearing

4. AUDIO MEDIA
• communication that uses audio or recordings
• Audio formats
• cassettes, CDs, computer files (digital format)

6. PHONOGRAPH
•Invented by Thomas Edison (1877)
•First recording device

7. CARBON
MICROPHONE
•Invented by Thomas Edison (1877)
•First recording device

8. GRAMOPHONE
•Invented by Emil Beliner
•Used a platter instead of a cylinder for recording

9. MAGNETIC
RECORDING
Cassette Tape

10. DIGITAL
RECORDING
Compact Disc

12. CASSETTE
TAPE
• invented in the late
1930’s

13. 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.

14. COMPACT
DISKS
• Invented around the late
70’s and early 80’s

15. 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

16. 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

17. 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.

19. 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

20. Readily available and simple to use
Portable
Easy to reproduce
Inexpensive
Resistant to damage

21. Pacing cannot be changed because audio media
follows a fixed sequence
Audio contents can be accidentally erased

22. Audio Books
• a recording of a book or magazine being read;
first known use was in 1953
• a recording of a text being read

23. 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

24. Internet radio broadcast
• an audio service transmitted via the Internet
• usually referred to as webcasting since it is not
transmitted broadly through wireless means.

25. 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

26. Learn a Language
• (i.e. Spanish lessons)
• site for Spanish language tutorial