Chapter 2- Acoustics Flashcards Preview

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Flashcards in Chapter 2- Acoustics Deck (16)
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1
Q

Sound is produced by…

A

Vibration

2
Q

What are areas of higher density & pressure called?

A

areas of condensation

3
Q

What are areas of lower density & pressure called?

A

areas of rarefaction

4
Q

The number of repetitions of a cyclic pattern in 1 second

A

frequency

5
Q

How is frequency measured?

A

Hertz (Hz)

6
Q

How is frequency perceived?

A

Pitch

7
Q

The duration of 1 cycle

A

Period

8
Q

The physical measure of extent of vibrational change from resting position

A

amplitude

9
Q

The power of sound over a particular area

A

Intensity

10
Q

Amplitude & intensity are both measured in…

A

decibels (dB)

11
Q

Perceptual correlate of amplitude & intensity

A

loudness

12
Q

The length of time that a sound continues

A

duration

13
Q

How is duration measured?

A

milliseconds

14
Q

What is the distance traveled by a sound during a single cycle?

A

Wavelength

15
Q

What influences wavelength

A

Dependent on the medium that the sound travels through

16
Q

The location of a particular point in a waveform cycle relative to the zero line

A

phase