Page 164 - DCAP104_EXPOSURE_TO_COMPUTER_DISCPLINES

Unit 7: Graphics and Multimedia

Notes
Figure 7.7: Demonstration of MIDI and QuickTime

The final product is embedded below.

You are welcome to download the original MIDI file, bachinv4.mid, for use in your music
sequencing or music notation applications.

Web sites can be used to exchange MIDI files, collaborate on MIDI sequences, and engage in
group compositions. If you convert your MIDI files to QuickTime movies then multiple MIDI
files can be embedded in a single page, allowing visitors to participate in a jam session.

The conversion of analog video into its digital equivalent requires a special hardware called
video capture card. For the past 15 years three of the most influential communication industries
have been converging:

(a) Publishing
(b) Broadcasting

(c) Computing
Interactive multimedia and electronic publishing are products of this convergence and their
impact on all kinds of communication from marketing to education is immense.
Multimedia Development Tools: They are required for building applications and reviewing
some of the products that are commercially available commercially.
Presentation Tools: These tools are necessary to create multimedia presentations on a PC.
Presentation tools are tools like overhead projectors, these tools actually improve the overall
effect and helps the speaker to get his message across in a professional manner.
Authoring Tools: These in contrast with the presentation tools support features such as layout
graphic design animation control of branching and navigation the manner in which the end user
will be able to move through the application. Authoring tools may also provide screen design
help to harness the layout of text images and places where user interaction is required. Libraries
may support audiovisual and graphics functions and implement multitasking capabilities under
different operating systems. Some of these authoring tools are Authorware and Director from
Macromedia, Hypercard from Apple Inc. etc.

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