educational television

Projected Media or
Projected Visuals
Mark O. Mondano (edtech1) Computer image projection and Educational Television 2015

PROJECTED MEDIA
refers to the media formats in which visual
and verbal images are projected or enlarge
and displayed on the screen by passing
strong light through a transparent material .
PROJECTED VISUALS
a medium of instruction as entertainment
and as a media formats in which still
pictures are use and displayed on a screen.
Mark O. Mondano (edtech1) Computer
image projection and Educational Television
2015

Business
Home
economics
Arts Medicine
Military
Music
Industry Social
studies
Science
Language
arts
Religion
2015

 All subjects – group critique of student
work and review the test items.
Art – group discussion of reproductions
of paintings, etc.
2015

Business – group work on business and
accounting forms
2015

Home Economics – group viewing of
sewing pattern, recipes, etc.
2015

Industry – projection
of blueprints for group
study.
2015

Language Arts – group critique of
student composition
2015

 Medicine – group study of anatomical
drawing
2015

 Military – review of maps and official
documents, illus. of lights
2015

 Music – group reading of musical
colors
2015

 Religion – religious story
illustrations
2015

 Science – magnification of specimens;
group study of maps and tables
2015

 Social Studies – viewing of artifacts from
other cultures, etc.
2015

2015

Computer image projection
 the process of projecting
computer generated materials
using liquid crystal display
(LCD) projector.
2015

Two types
of projector
DLP (Digital light
processing)
it is been developed by
Texas instruments, its
clearer and more vivid
pictures compared to the
LCD.
LCD (liquid crystal
display)
requires a complete
darkened room for
optimal projection.
2015

Integration
 Where it yields real benefits
in providing dynamic or
interactive presentation.and
its difficult to justify simple
presentation.
2015

ADVANTAGES
It is possible to project all which
appears in a computer screen.
Presentations using LCD projectors are
more professional looking
A vast capacity of images for projection
can be stored in the computers.
Displays can be changed after or even
during the presentation.
2015

ADVANTAGES
Random access - Digital images stored on
discs can be rapidly and randomly access.
Durability - The discs are very durable.
Fingerprints do not interfere with the quality
of the projected visual, as is the case of slides
and filmstrips.
Storage capacity - All the discs store
thousands of colorful images at your
fingertips.
2015

ADVANTAGES
Portable - Digital discs are extremely
portable.
Less storage space - It would require
67580 slide trays to store the 54,000 still
images on a single videodisc and on the
computer.
Image choices
Interactivity
2015

Limitations
oLack of brightness – the room must
be darkened more than in an
overhead projection
oLegibility -
oExpense – LCD projectors are costly
oLow resolution of LCD projectors
may affect viewing conditions
2015

MOTION MEDIA
2015

MOTION MEDIA
 instructional media involves the
use of both auditory and visual
senses at the same time. It is an
effective device in arousing the
pupil’s interest, in recreating the
past and in bringing the outside
world into the classroom.
2015

Educational television
 Educational television or Learning show is
the use of television programs in the field
of distance education. It may be in the
form of individual television programs or
dedicated specialty channels that is often
associated with cable television
networks as Public,educational, and
government access (PEG) channel
providers.
2015

Three methods of distributing ETV programs:
• Open broadcast television. a system which
transmits messages through very high frequency
(VHF) OR Ultra high frequency (UHF) television
channels programs are telecast over the air and can
be seen by anyone who is tuned to a particular
channel.
• Closed circuit Television (CCTV). The system which
limits the distribution of an image to those
receivers which are directly connected to an
origination point .
• Video recordings – A electronic recording of ETV
programs through videotapes or videodisc. The
recorder materials can be played back using VHS,
VCD, and DVD players.
2015

EDUCATIONAL TELEVISION PURPOSE
AS AN EDUCATIONAL MEDUIM
television programs are designed
with primarily educational purposes
in mind and Other television
programs are designed to raise
social awareness.
2015

AS AN ENTERTAINMENT
Some television shows incorporate
a considerable degree of historical
or factual information of
presentation or framing of such
content entertaining or exciting.
2015

AS AN Incidental educational value
It may contain an incidental
amount of educational content such
as with medical dramas where the
plot invariably explores anatomical
and biological issues.
2015

EDUCATIONAL TELEVISION AS TEACHING AID
ADVANTAGES
The viewer is able to view certain local
and / or international events as they
happen.
The color and sharpness of image of
programs using television can stimulate
learners effectively.
2015

ADVANTAGES
This can serve large number of audiences.
Television programs can focus viewers’
attention on those aspects of the learning
situation which need to be learned.
Teachers can also learn while viewing ETV
programs.
2015

ADVANTAGES
Television can synthesize the needs for a
variety of audio-visual and human resources.
The ETV programs can reproduce. Schools
which lack resources for open broadcast of
CCTV may do video recording.
Programs which are curriculum-based
already programs are shown in knowledge
channel.
2015

LIMITATIONS
Television is one way communication meduin.it
does not involve face to face interaction.
Programing is not controlled by teachers.
Viewers are forced to accept the pace of the
program.
Initial acquisition and maintenance can be costly.
Television viewing could reduce to perceiving
television as a form of entertainment.
2015

UTILIZATION GUIDELINES
Classes for particular subject, if possible, should
be synchronized with the broadcast schedules of
the programs.
Prepare the students for broadcast activity.
Eliminate distractions.
Discuss with students information, impressions,
bias hidden messages and the like before and
after the viewing the television program.
2015

UTILIZATION GUIDELINES
Check the viewing conditions such as
room lighting, ventilation, acoustics,
seating arrangement, and position of AV
equipment.
Use ETV in combination with other
learning media.
Some television programs can be
viewed at home as a part of assignment.
2015

QUESTIONS?
2015

educational television

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