Audio Questions

1. What ranges of frequencies are detectable to the human ear?
20Hz(lowest pitch)-20kHz(highest pitch)

2. Define Audio
It is of sound or the reproduction of sound.

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

4. List 10 careers in audio and list a local company for six of the career field
· Studio Sound Engineer
· Live Sound Engineer
· Musician
· Music Producer
· DJ
· Radio Technician
· Film/Television Sound Recordist
· Field Sound Engineer
· Audio EditorPost- Production Audio Creator

5. List three careers that need to have an understanding of audio production concepts
Animator, Film Maker, and Cartoonist

6. A person rings a bell and another person hears the sound. Draw a diagram (in your composition book) of how this sound is created, transmitted, and received by a human

7. What is a waveform
The form of the wave.

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

9. How do variations in sound pressure correlate to a waveform diagram?
Air molecules move in a “wavelike” form and make its way to the human ear the same way.

10. Illustrate (in your composition book) the difference between wavelength, amplitude, and frequency.

11. Diagram (in your composition book) in phase, 180deg out of phase, and different wave and how they interact.

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.

15. Diagram (in your composition book) the 3 part model as described in the article.