Introduction

Question 1

The physical principles of how sound works. This allows us what two things

Answer 1

• to predict how sound will behave in different environments (effects of reverberation)
• to understand how to manipulate sound to achieve a specific end (hearing aids, implants)

Question 2

Big Idea 1

Answer 2

we hear things that aren’t there

Question 3

Big Idea 2

Answer 3

we can’t hear things that are there

Question 4

Big Idea 3

Answer 4

we can hear things that have very little information
in them

Question 5

Big Idea 4

Answer 5

some sounds have the same pitch but are really
different in their components

Question 6

Big Idea 5

Answer 6

we can get fooled into thinking we hear one thing
when it is really something else

Question 7

Big Idea 6

Answer 7

we can hear a lot of things and we are not
solely relying on our ears

Question 8

what 3 things do we need to understand to understand acoustics?

Answer 8

• mapping between sound and perception
• the differences between the acoustic message and the perceived message
• the role of things like attention and memory on what we hear and understand

Question 9

what is acoustics?

Answer 9

the study of sound

Question 10

what 4 quantitative characteristics do our ears respond to?

Answer 10

• frequency (pitch)
• intensity (loudness)
• duration (length)
• timbre (quality)

Question 11

our brain perceive characteristics that can be measured ____________

Answer 11

behaviorally

Question 12

what does measuring behaviorally mean?

Answer 12

the same sound can yield different perceptions across listeners

Question 13

what 4 terms are used to describe sounds?

Answer 13

• pitch
• loudness
• length
• quality

Question 14

what is listening?

Answer 14

complex process that relies on the physical properties of the sound

Question 15

what do physical or acoustic properties of sound carry?

Answer 15

meaning

Question 16

(4 things) sounds can be present and

Answer 16

• not heard
• heard
• heard but not acknowledged
• intended to carry meaning but are meaningless for some listeners

Question 17

what do our ears hear

Answer 17

sounds

Question 18

what does our brain listen to

Answer 18

sounds

Question 19

we CAN’T ______ if we can’t ______ but we CAN ______ and not _________

Answer 19

listen, hear
hear, listen

Question 20

if two people with the same hearing hear the same thing, what do they report in terms of listening

Answer 20

listened to different things

Question 21

when we listen, what are we listening to?

Answer 21

soundscape

Question 22

what is a soundscape

Answer 22

auditory landscape

Question 23

we hear lots of sounds but what do we do to most of them

Answer 23

ignore (switch to another acoustic stream)

Question 24

what 3 domains can sound be described in (and what are their functions)

Answer 24

• frequency (function of time)
• time (function of time)
• spectral (function of frequency)