Audio Questions

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

2. Define Audio-
“of sound" or "of the reproduction of sound".

3. Audio production involves what four elements of audio?
Audio work involves 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

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

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

8. Is sound two dimensional or three dimensional?
Sound is three-dimensional

9. How do variations in sound pressure correlate to a waveform diagram?
High pressure results in the air molecules being packed together tightly. Low pressure results in the air molecules spreading

12. Define transducer:
an electrical device that converts one form of energy into another

13. Define amplifier:
electronic equipment that increases strength of signals passing through it

14. Define signal processor:
A signal processor, in the realm of digital audio, is a device that modifies an audio signal, either electric or digital