Sound Measurement Amplitude and Decibel Notation

Question 1

The magnitude of maximum displacement of an object from its resting position.

Answer 1

Amplitude

Question 2

reflects how much the intensity of the sound is

Answer 2

Amplitude

Question 2

Intensity is perceived as a _______ level by the listener, it is measured on the ____ scale.

Answer 2

loudness, phon

Question 3

the power exerted on a particular surface area

Answer 3

Intensity

Question 3

Unit of intensity is

Answer 3

Watt/m2 (W/m2)

Question 4

is the amount of energy expended in unit time (seconds)

Answer 4

Power

Question 4

Unit of Power

Answer 4

Watt (W)

Question 5

is the ability to perform work, or is the amount of work that can be done by applying a force to move an object certain distance.

Answer 5

Energy

Question 6

The unite for Energy is

Answer 6

Erg or Joule

Question 7

is moving an object a certain distance

Answer 7

Work

Question 8

The change in the amplitude reflects change in the

Answer 8

pressure

Question 9

Change in the pressure will lead to change in the

Answer 9

Intensity

Question 10

is defined by the effective sound pressure divided by the impedance (resistance) of the media (Durrant & Lovrinic, 1995).

Answer 10

acoustic intensity

Question 11

The units of the acoustic intensity is

Answer 11

watt per square meter (W/m2)

Question 12

the sound pressure is

Answer 12

Newton/m2 (N/m2)

Question 13

is used when we describe the intensity level and the sound pressure level

Answer 13

decibel (dB)

Question 14

is a logarithmic, dimensionless ratio

Answer 14

Decibel

Question 15

is a logarithmic scale which functions to compress the linear scale

Answer 15

Decibel notation

Question 16

is a ratio of two quantities

Answer 16

logarithm

Question 17

Softest sound

Answer 17

1

Question 18

loudest sound

Answer 18

1,000,000,000,000,00 (trillion)

Question 19

is a logarithmic, dimensionless ratio

Answer 19

Decibel

Question 20

is a logarithmic scale which functions to compress the linear scale

Answer 20

Decibel notation

Question 21

is a ratio of two quantities

Answer 21

logarithm

Question 22

is a logarithmic, dimensionless ratio

Answer 22

Decibel

Question 23

is a logarithmic scale which functions to compress the linear scale

Answer 23

Decibel notation

Question 24

is a ratio of two quantities

Answer 24

logarithm

Question 25

Softest sound

Answer 25

1

Question 26

loudest sound

Answer 26

1,000,000,000,000,00 (trillion)

Question 27

the exponent to which the base 10 must be raised to equal that number

Answer 27

The log of a number