1
Q
Amplitude =
A
DB
2
Q
Frequency =
A
HZ
3
Q
Total harmonic distortion
A
Measured the distortion of voltage/waveform from its ideal shape
3% is THD
ANALOG- gradual
DIGITAL - clipping
4
Q
We perceive pink noise better because
A
Per octave scale is more pleasing than per frequency
Same power per octave
5
Q
O dbv =
A
1 v
6
Q
0 dbu
A
.775 volts
7
Q
Wavelength of one KHZ
A
1 ft
33 cm
8
Q
Frequency =
A
1/wavelength
9
Q
Ohms law
A
Voltage = current times resistance
Analog Audio
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