DVD

One of the major benefits of the introduction of satellite TV was the larger number of channels available to the public in comparison to what the cable TV companies were providing. These extra channels available provide the viewing public with a larger range of viewing options from sports channels, entertainment channels, children’s channels, and including channels covering news and current affairs, and channels dealing with local news and events.

One of the fastest growing genres of these additional channels in terms of viewer preferences are the channels that educate as well as entertain. These programs are generally called documentaries. These channels give viewers the opportunity of improving their understanding of a subject, and present the facts in a manner that makes them easily comprehensible.

The documentary sector usually includes subjects relating to {the animal world; biographies; military; science; history; sport; geography; travel|animal sciences; history and politics; warfare; places of interest; sport; and others. The range of subjects is endless and covers every {conceivable topic|imaginable theme.

But in spite of the unlimited number of subjects, almost all of these programs have numerous common characteristics.
The photography is of a professional standard and is perhaps the one aspect of these programs that is most appealing. This is especially the case with subjects such as geography, animal behavior, and animal sciences.

Secondly the commentary accompanying the program is most likely spoken in a clear, precise manner without any bias or particular point of view.

Thirdly the overall production and presentation are of the very highest standards and comply with the demanding standards of documentary making.

Finally most documentaries are suitable for viewing by all the family members together. There is an absence of material that some parents may find unsuitable for children.

Many of these instructive/educational programs are respected all over the world by educational experts, teachers, and parents. In fact such is the recognition of these programs as educational resources for school children that many of them are readily available on DVD for home use.

Many of the wildlife and animal science programs produced by the BBC fit into this category. The David Attenborough series of Life on Earth programs are examples of the very best programs ever made. The remarkable quality of the action photography and the excellence and exacting standards of the commentary ensures that programs of this quality will always have a place in the educational field.

Programs of a historical nature about a particular country or a period in time allow the viewer to learn the effects of events on the development of a country, and how some events in the past influenced a country’s or

society’s future actions. Old film footage of bygone incidents improve a viewers understanding of history and make people much more aware of why certain events happened.

Whilst there are numerous categories of programs that the public may consider to be educational , there are many more that the viewer may not consider to be in this category. Programs dealing with parenting, child rearing, cooking, home maintenance, gardening, and many more are examples of subjects that the public do not generally consider to be educational in nature, even though they are.

However it can be confidently said that almost every program has an educational side to it. If a program tells the viewer something they didn’t know beforehand, then to that viewer it’s educational.

The wide-spread introduction of high definition television (HDTV) and the efforts of the program suppliers to meet that demand by supplying HDTV programming means that many educational programs can now be viewed in a superior way. Improved signal reception and vastly enhanced audio had led to a much more satisfying viewing experience, particularly those programs heavily reliant on photographic material.

For those families wanting to keep up to date with the ever-changing improvements in television technology then satellite TV is best able to meet those expectations. The recent introduction of 3D television will ultimately be accepted by the public in the coming years, as will the knowledge that satellite TV will be the optimum means of signal transmission for the latest in TV science.

For a family to take full advantage of the range of educational channels being shown on television there are two components they need. Firstly a High Definition Television to take advantage of the first-class photography, and the superb audio, and secondly a television service provider that is able to provide the largest range of channels at the best possible quality. Satellite TV is well ahead of its competitors in this.

A projector can be mounted anywhere in the school and benefits such as lightweight screens re safer than very heavy plasma TVs. A projector can be linked into the computer and hence lessons and training can be delivered repeatedly and also added to and improved upon as the content develops.

Rear projection is a fabulous concept in many schools. When the school hall is used for games, and also assembly, and plays on the stage the rear projection can be a solution which one would never assume unless they were advised. Instead of a projector being mounted in the hall and projected onto the stage or turned by climbing ladders so that it can be used to project at assemblies there is another solution.

A rear screen projector would simply be mounted on the stage ceiling and the images projected from behind onto the screen to the assembly in the hall. Equally it can easily be turned to project scenes onto the stage for plays. A truely versitile solution.

A digital visualiser is am amamzing and surpisingly affordable piece of kit. Any object can be placed onto the visualiser and projected onto any screen. It will also take images from a computer and projoct onto the screen. The picture being displayed can be zoomed in on. The images are so clear and high in quality that if you placed a circuit board onto the visualiser you can zoom in and examine the individual components. This ensures that everyone in the classroom is able to enjoy the learning experience. Like all audio visual systems it links into a computer system where images and text can be saved for future reference.

An interactive whiteboard comprises of literally a white board which is linked to a computer, or a computer network. Files and applications from the computer can be displayed on the whiteboard.

However here is the interactive part. What is displayed on the board can be changed. You can write, draw, and make notes directly onto the whiteboard using either finger or a special pen and your work is then saved onto the computer or laptop, that the white board is connected to. This can be saved for future reference, printed out, or e-mailed.

The benefits of audio visual in education are as follows:

It allows the pupils to learn together or collaboratively regardless of age, gender, or creed.

The display is much bigger than the usual computer or laptop screen and therefore can be easily seen be all members of the learning group

The audio visual systems support a whole range of multimedia from a wide range of sources. Images, videos, podcasts, photographs, sounds can all be used from a range of sources. The sources can include cameras, computer networks, DVD, Moodle platforms, and basically anything that can be digitised.

Learning via audio visual such as interactive whiteboards and visualisers can benefit students who learn from repetition, and need to see material repeated and for students who are absent, for those struggling learners. Brief instructional blocks can be recorded for review by students then they will see the exact presentation that occurred in the classroom with the teacher’s audio input.

The audio visual solution supports repetitive learning including the strategy adopted before examinations.

Lessons can continue over time as it is simple to pick up from where the last class ended.

The education establishment can improve performance of teaching based on the lessons learned and files saved on the audio visual products.

Future lessons can be improved upon regarding content for future pupils. This saves time and costs for the teachers and the establishment itself whether it is a school, college, university or commercial institute.

It is important if you decide to find a supplier that you use a fully trained installer who will be first and foremost fully aware of the health and safety aspects. This includes design, installation and commissioning the system. The system design is crucial as it should be designed around the demands of today but the anticipated needs of tomorrow. It needs to be scalable and from a company is insured qualified and experienced.

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