Audio fundamentals pt.2
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Formula for POWER in dBs:
A doubling of power results in ___ dB increase.
Formula for VOLTAGE (pressure) in dBs:
Doubling voltage results in ___ dB increase
What is the reference dB for POWER?
What is the reference dB for VOLTAGE?
dBFS refers to...
Decibels (below) Full Scale
What is the dB used as a reference level for consumer equipment specifications?
What is the PROFESSIONAL reference level?
What is the CONSUMER reference level?
SPL stands for and is used for...
The threshold of hearing is at...
- Sound Pressure Level
- loudness measurements
- 0 dB SPL
Sound POWER is measured in...
Sound INTENSITY is measured in...
Watts per square meter
Sound INTENSITY and sound PRESSURE both increase and decrease by ___ dB with each doubling and halving.
What is White Noise?
What is Pink Noise?
- Equal energy at all frequencies
- Equal energy in all octaves
RTA stands for and shows...
- Real Time Analyzer
- Amplitude and frequency
ETC stands for and shows...
Energy Time CurveAmplitude and Time
Time, amplitude, and frequency
Dynamic Range is...
The range in dB between the lowest and highest amplitude
The amount of dBs from signal level to distortion
What are the two types of meters?
- Average reading
- Peak reading
VU meters give a good approximation of...
0 VU =
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