Question Three (20 marks) a. Define Sound and highlight the three systems leading to human…

Question Three (20 marks)
a. Define Sound and highlight the three systems leading to human perception of sound . (4mks)
b. When using computers to play MIDI music, the MIDI data are often stored in MIDI files.
Describe the three types of MIDI file (3mks)
c. Define Digitization and explain the two steps of dig itization process. (3mks)
d. With the aid of a diagram describe the global structure of a multimedia environment. (10mks).