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If you were absent and/or did not  complete your work from Thursday, February 11, 2010… Here are the questions we covered… You can use Ch. 2 of our book to find the answers… click on leave a comment and answer them.  🙂

Ch. 2 – Physics and Psychophysics of Sound

1.  Sound can be described in 3 ways.  What are they?

2.  What is a soundwave?

3.  Elasticity is the ______________________________.

4.  What is compression?

5.  The number of cycles that a vibration completes in one second is __________________ .

6.  If a vibration completes 50 cycles per second (cps) What is its frequency?  ______ (Hz)

7.  If a vibration completes 10,000 cps, its frequency is ________.

8.  Just below the low end and above the high end, the name of the frequencies

we can only sense and not hear.  (there are two)

9.  What is an octave?

10. What is a fundamental?  What are its harmonics?  What are its overtones?

11. What are the 5 components that make up a soundwave?

12. The size of a sound wave determines its _____________.

13. Loudness is measured in ____________.

14. What is Timbre?

15. What is masking?

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1) What is the difference between analog and digital?  Which is more widespread today?

2) What are the widths that audiotape is available in?

3) Name 5 ways to properly handle audiotape.

4) What is wow and flutter?  How is it caused?

5) What is bias?

6) What is sampling?  What are the common sampling rates used in digital audio?

7) What is quantization?

Define the following terms:

Analog Recording
Digital Recording
Audio Data Rate
Bandwidth
Bias Current
Calibration
Digital Audiotape

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