ANSWERS
Tone/pitch
Frequency
Harmonics
Multiple of fundamental frequency
Sound intensity 2D from source
I/4
Inverse SQ law
2D = 25% original
Attenuation
Decrease signal level
WBS
Work breakdown structure defines project deliverables & relates the elements of work
Evacuation
Active rack ventilation
Audio system parameters
Loudness, Intelligibility, Stability (LIS)
Acoustic energy formula
dB= 20 log (D1/D2)
Series impedance is
Additive
+/- 2D from source
+/- 6 dB
+/- 2power (watts)
+/- 3 dB
SC connector
Fiber insert & click
ST connector
Fiber insert & Twist
, Single mode Fiber cable
Yellow jacket
Multimode
Orange jacket
Bus network
Linear
Star network
Central point, hub or switch
Ring network
Provides redundancy
Ohms law
V=IR
Power (1 watt) =
I^2R = (1 AMP)^2*(1 ohm), VI
Best practices max viewer D
Text height x 150
Verticle viewing angle
+/- 30 degrees max
Nearest viewer D
Screen W or 2x (screen height)
SDI signal
300m/1000 ft
Btu/hr
Power (Watts) X PI
DP+ compatibility
HDMI, DP
DP++ compatibility
HDMI, DP, VGA
^ resolution
Scaler
Luminance (Y)