| 1. |
Describe what
the term quantising means. |
(1) |
| |
|
|
| 2. |
Describe how
a sequencer program allows a musical score to be built up using
different instruments. |
(1) |
| |
|
|
| 3. |
Name three
instruments you would expect a music synthesiser on a sound board
to be able to play. |
(3) |
| |
|
|
| 4. |
An audio clip
lasting 1 minute was captured with a sampling frequency of 44 KHz
and a sampling resolution of 16-bit. Unfortunately it takes up 10.4
megabytes of storage space. Discuss three different ways in which
the hard disc space taken up by the audio clip could be reduced. |
(3) |
| |
|
|
| 5. |
An audio card
using 16-bit resolution and 44KHz sampling frequency will be capable
of producing CD quality audio. What quality would you expect from
the following? |
(2) |
| |
a) an
audio card using 8-bit resolution and 32KHz sampling frequency?
b) an audio
card using 32-bit resolution and 64KHz sampling frequency? |
|
| |
|
|
| 6. |
Define the
term “MPEG”. |
(1) |
| |
|
|
| 7. |
Define the
term “MIDI”. |
(1) |
| |
|
|
| |
Total |
(12) |
