Sound, the Ear and Auditory Perception Flashcards
What are the 3 characteristics of sound waves?
1) Frequency (Hertz)
2) Amplitude (or intensity)
3) Complexity
What are the 3 perceptual phenomena of sound waves?
1) Pitch
2) Loudness (decibels)
3) Timbre (quality of the sound)
Match the characteristic of sound waves with the perceptual phenomenon
Frequency
a. Pitch
b. Loudness (decibels)
c. Timbre (quality of the sound)
a. Pitch
Match the characteristic of sound waves with the perceptual phenomenon
Amplitude (or intensity)
a. Pitch
b. Loudness (decibels)
c. Timbre (quality of the sound)
b. Loudness (decibels)
Match the characteristic of sound waves with the perceptual phenomenon
Complexity
a. Pitch
b. Loudness (decibels)
c. Timbre (quality of the sound)
c. Timbre (quality of the sound)
Match the perceptual phenomenon of sound waves with the characteristic of the sound wave
Pitch
a. Frequency (Hertz)
b. Amplitude (or intensity)
c. Complexity
a. Frequency (Hertz)
Match the perceptual phenomenon of sound waves with the characteristic of the sound wave
Loudness (decibels)
a. Frequency (Hertz)
b. Amplitude (or intensity)
c. Complexity
b. Amplitude (or intensity)
Match the perceptual phenomenon of sound waves with the characteristic of the sound wave
Timbre (quality of the sound)
a. Frequency (Hertz)
b. Amplitude (or intensity)
c. Complexity
c. Complexity
What is frequency measured in?
Hertz (number of waves per second)
What is hertz?
Number of waves per second
The higher the frequency, the…?
a. Shorter the wavelength
b. Longer the wavelength
a. Shorter the wavelength
What is the typical human hearing range?
20 – 20,000 Hz
What is the frequency of the middle C on a piano?
261.63 Hz
The longer the wavelength, the…?
a. Higher the frequency
b. Lower the frequency
b. Lower the frequency
The shorter the wavelength, the…?
a. Higher the frequency
b. Lower the frequency
a. Higher the frequency
The higher the frequency, the…?
a. Longer the wavelength
b. Shorter the wavelength
b. Shorter the wavelength
The lower the frequency, the…?
a. Longer the wavelength
b. Shorter the wavelength
a. Longer the wavelength
Which sound has the higher frequency?
a. Infrasound
b. Ultrasound
b. Ultrasound
Which sound has the lower frequency?
a. Infrasound
b. Ultrasound
a. Infrasound
What value is considered the lowest frequency on the piano?
30 Hz
What value is considered the highest frequency on the piano?
4000 Hz
What value can ultrasound go up to?
10,000Hz
What does amplitude measure?
Loudness
What is loudness measured by?
Amplitude