Wednesday, July 22, 2009

Digital Visualisers

Digital Visualiser

Digital Visualisers are wonderful ICT (Information and communication technology) and teaching tool that show detailed view of text, 2D or 3D object on display devices like projection screen, plasma screens, interactive whiteboards, television etc. Digital Visualisers has an attached video camera for displaying the things. Digital Visualisers are also known as document camera.

Visualisers have a positive influence on interaction between teacher and student. Visualisers helps student absorb and retain various topics of subject by innovative visual technology. Digital Visualisers will permit whole class viewing of any text, image or 3D object, including students’ written work, books, pictures and scientific samples. A Digital Visualiser acts as an input device for feeding images to projectors, television screens computer screens etc. A Digital Visualiser has a variety of functions like zoom, split screen, positive/negative, image capture and video capture to provide effective presentation and easy investigation facility. The zoom function of Digital Visualisers is of great benefit to teacher for teaching. It allows teacher zoom any text and objects. The split screen and mirror functions are also highly valuable in areas such as Math’s and Art and Design discussing symmetry. Digital Visualiser captures images as with scanner and camera. You can save these images into the computer and can be added to presentations for lessons. It helps students improve their reasoning abilities and grasping power. When integrated with interactive whiteboard, Visualiser becomes more powerful ICT solution for education. It can also be integrated with audience response system and other ICT accessories like Wireless graphic tablet .It can be integrated with interactive whiteboard for making annotations on the live object. Teacher can record demonstrations as a video file.

It helps in assessment of students. Students show their scientific work to the whole class and compare their work. This creates a feeling of competition among students and they become active in learning. It is being used in different areas of education such as science, Engineering, medical, dental labs etc. It also acts as a web camera to use in video conferencing of demonstrations in the classrooms to a remote location.

More ever, teacher can record video and capture images with Visualiser for future lessons. Teacher can prepare their own presentation slides using visualiser. Thus, Visualiser should be used in school, colleges and universities to enhance teaching methodology.