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Multimedia refers to the integration of multiple forms of content, such as text, audio, images, video, and interactive elements into a single digital platform or application. This integration allows for a more immersive and engaging experience compared to traditional single-medium content.
Multimedia studies as a discipline came out of the need for media studies to be made relevant to the new world of CD-ROMs and hypertext in the 1990s. Revolutionary books like Jakob Nielsen's Hypertext and Hypermedia lay the foundations for understanding multimedia alongside traditional cognitive science and interface design issues. [1]
Advances in digital compression and high-speed Internet made video creation and distribution more affordable, contributing to the rise of systems designed for recording lectures. These systems were often incorporated into learning management platforms, supporting the growth of fully online courses. [6]
The basis for digital video cameras is metal–oxide–semiconductor (MOS) image sensors. [1] The first practical semiconductor image sensor was the charge-coupled device (CCD), invented in 1969 [2] by Willard S. Boyle, who won a Nobel Prize for his work in physics. [3]
In the current digital world, audiovisual aids have grown exponentially with multimedia such as educational DVDs, PowerPoint, television educational series, YouTube, and other online materials. The goal of audio-visual aids is to enhance the teacher's ability to present the lesson in a simple, effective, and easy to understand for the students.
These concepts are yet to be studied in scientific research and stand in contrast to MOOCs. Nowadays, e-learning can also mean massive distribution of content and global classes for all Internet users. E-learning studies can be focused on three principal dimensions: users, technology, and services. [16]
Multimedia information retrieval (MMIR or MIR) is a research discipline of computer science that aims at extracting semantic information from multimedia data sources. [1] [failed verification] Data sources include directly perceivable media such as audio, image and video, indirectly perceivable sources such as text, semantic descriptions, [2] biosignals as well as not perceivable sources such ...
Video technology was first developed for mechanical television systems, which were quickly replaced by cathode-ray tube (CRT) television systems. Video was originally exclusively live technology. Live video cameras used an electron beam, which would scan a photoconductive plate with the desired image and produce a voltage signal proportional to ...