Audio questions

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

2. Define Audio
the production, recording, manipulation and reproduction of sound waves

3. Audio production involves what four elements of audio?

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
Musician, Record Store Workers, DJ

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 forms of the wave as they move

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

9. How do variations in sound pressure correlate to a waveform diagram?
the spots where their are more molecules are high points

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
converting one type of energy to another

13. Define amplifier
amplifierdevice that takes signal and increases it's power

14. Define signal processor
device to manipulate signal