Audio Questions

1. What range of frequencies is detectable to the human ear?
20Hz to 20 kHz

2. Define Audio
of the reproduction of sound

3. Audio production involves what four elements of audio?
The 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
http://magneticstudios.com/
5. List three careers that need to have an understanding of audio production concepts
Video camera operators, drummer, musician

7. What is a waveform
the curve of sound waves moving through open air.

8. Is sound two dimensional or three dimensional?
Three-dimensional

9. How do variations in sound pressure correlate to a waveform diagram?
High values represent increased air pressure. The higher the line on the graph the higher the air pressure in that area.

12. Define transducer
A device which converts energy from one form into another. The two types of transducers we will deal with are microphones (which convert acoustical energy into electrical energy) and speakers (which convert electrical energy into acoustical energy).

13. Define amplifier
A device which takes a signal and increases its power (i.e. it increases the amplitude).

14. Define signal processor
devices and software which allow the manipulation of the signal in various ways. The most common processors are tonal adjusters such as bass and treble controls.