loudness and pitch Flashcards
1
Q
what devise is used to display sound waves
A
oscilloscope
2
Q
what is the range in hertz that humans can hear
A
20-20,000 hertz
3
Q
what are the names of the ranges higher and lower that humans can hear up to
A
higher-ultrasound
lower-infrasound
4
Q
what is sound measured in
A
decibels
5
Q
how do you know if a sound is loud on a displayed wave
A
the peak is high
6
Q
how do you know is the pitch is high on a displayed wave
A
each wave is close together
