01) What's an A1 and what do they do?
05) Why do intercom systems have multiple channels?
06) How has natural sound changed at NASCAR telecasts?
07) List some common type of mics used, and why they are?
08) What are "mults" and breakout boxes, and what technology is taking over these tools?
09) What is the difference between balanced and unbalanced audio? (Hint)
10) 0 dB:
What does it mean in regards of human hearing, Analog audio, and Digital audio?
11) Find the person(s) you would contact to coordinate the use of wireless mics in the last city in the US where you vacationed (Hint)
12) What is the difference between 0 dB and 0 dBm?
13) What is low send/high receive impedance, and why is it used today? (Hint)
14) What is low level audio? Where is it found? What is high level audio?
15) Explain standard digital audio levels
16) What does the dB scale represent in digital? (Hint)
17) With regards to audio metering what are ballistics?
18) Why is digital audio often sent through coax?
19) Why is the standard digital sampling rate at 48K? Hint: Think aliasing
20) What is the tradeoff between 16, 20, & 26 bit audio samples?
21) Whats the difference between a 2D and 3D audio image? (Hint)
22) Whats the potential problems when down mixing from 6 to 2 audio channels?
23) Why would an unused extra announcer's mic be hung up in the announce booth?
24) On modern audio mixers what are "layers" and how are they used?
26) What path requirement is required if Dobly is to carry more than 6 channels of audio?
27) What is a stem?
28) Where is Dolby Digital or AC-3 used? 29) Where and why is Dolby E used? 32) How has excessive baseband audio compression lead to the CALM act?
(Hint) 33) What is dialnorm and how is it used?
(Hint) 34) How much headroom does -24dB give in digital audio?
(Hint) 35) What is the aural focal point? 36) How is dialnorm handled differently between live and post produced file-based programs? 37) What is "gating" and why is it used in file-based programs?
(Hint) 38) What does dynamic range refer to in Dolby? 39) Describe an intercom system
(Hint) 40) Decribe IFB
(Hint)