Unit 3.1

Question 1

Range of human hearing

Answer 1

20-20,000 Hz

Question 2

Range of greatest sensitivity

Answer 2

1,000-5,000Hz

Question 3

Lowest organ note
Range of piano
Highest piccolo note

Answer 3

• 16 Hz
• 27-4200Hz
• 4500 Hz

Question 4

3 Psychological properties of tone

Answer 4

1. pitch
2. loudness
3. timbre

Question 5

Primary physical correlate to the 3 listed properties

Answer 5

1. frequency (hertz) - pitch
2. amplitude (decibels) - loudness
3. complexity - timbre
   - overtones/special structure
   - temporal structure

Question 6

Temporal structure

Answer 6

how sound changes over time which changes our perception

Question 7

Amplitude envelope (parts)

Answer 7

1. ATTACK - rise in amplitude
2. STEADY STATE - no change in amplitude
3. DECAY - decrease in amplitude

Question 8

McGurk Effect

Answer 8

• visual perception affects how we perceive noises
• involves sensory integration
  “ba ba” - sound cue
  “da da” - what we hear
  “ga ga” - the visual cue

Question 9

The marimba illusion

Answer 9

the visual duration of how long the note is hit for affects how long the note length is perceived as (even though they’re the same)