|
Sound
Frequency |
Acorn 2003 | |
 |
 |
Bats |
 |
 |
Steam vent Jet engine |
 |
 |
Time signal pips (1.5kHZ) |
 |
 |
|
 |
 |
Electric motor |
 |
 |
Middle C (256HZ)
|
 |
 |
|
 |
 |
Mains Hum (50HZ) |
 |
 |
 |