Basic audio. questions and anwsers.

1. What ranges of frequencies are detectable to the human ear?
20Hz to 20kHz.

2. Define Audio
“Sound” it specifically refers to the range of frequencies detected by the human ear.

3. Audio production involves what four elements of audio? Production, recording, manipulation, and reproduction of sound waves.

4. List 10 careers in audio and list a local company for six of the career fields
-studio sound engineer
-live sound engineer
-musician
-music producer
-DJ
-Radio Technician
-Film/television sound recordist
-Field sound engineer
-Audio editor
-Post-production audio creator.

5. List three careers that need to have an understanding of audio production concepts.
Video camera operators

7. What is a waveform? The resulting curves from a mathematical point, on a x vs. y graph.

8. Is sound two dimensional or three dimensional? Sound is 3D

9. How do variations in sound pressure correlate to a waveform diagram? High sound pressure show the waves forms densely packed together on a diagram.

12. Define transducer: a device which converts energy from one form into another.

13. Define amplifier: a device which takes a signal and increases its power.

14. Define signal processor: devices and software which allow the manipulation of the signal in various ways