Audio

Question 1

How is sound measured?

Answer 1

Decibles!

Question 2

What is the difference between Audio and Sound?

Answer 2

Audio = the signal that passes through audio equipment, not audible

Sound= The sound waves at the beginning of the signal or the end.

Question 3

What is frequency?

Answer 3

The frequency of a sound is called a pitch, the higher the frequency the higher the pitch and vise versa

Question 4

What are some examples of Audio effects? What do they do?

Answer 4

reverb - recreate the effect of a reverberation
Distortion - creates a harmonic or inharmonic sound
Chorus - a delayed signal added to the original
Pitch shift - shifts a pitch
Compressor - controls the amplitude of the signal without effecting the sound

Question 5

What is Equalisation?

Answer 5

Equalisation is the process of altering frequencies that were changed by the enviroment

Question 6

How do you avoid a ground loop?

Answer 6

Isolate power from audio equipment from other department equipment

Question 7

What is a signal flow diagram and how is it used?

Answer 7

Shows the connection between all of the audio equipment.
Used for troubleshooting or set up.

Question 8

What are some features of a signal flow diagram?

Answer 8

• Electrical instruments may be linked to a DI box with a 1/4 inch jack
• Microphone > mixer > amp > speaker
• Drums require 3 seperate mics. (snare, kick and cymbals)

Question 9

What is an audio accessory?

Answer 9

Any audio equipment that does not have signal processing

Question 10

How do the 2 signals in balanced cables work?

Answer 10

Idk

Question 11

Who creates Audio cue sheets?

Answer 11

Only the Audio operator in smaller events. But in larger events it is the audio operator along side the lighting, talking with the director and stage manager