A
two kinds of wave interference...
constructive and destructive
substance through which a wave transfers energy...
change in the course of a wave as a result of a collision with an object...
medium
reflection
Difference in pitch between a note and a second note that has twice the frequency of the first note...
octave
system that uses sound to detect underwater objects...
organized sound waves with specific pitches that have been arranged...
sonar
music
sound produced by a musical instrument at higher frequency than the fundamental...
family of instruments in which pitch is varied by opening and closing holes in a tube...
overtone
woodwinds
The change in the sound frequency caused by an object's motion...
Doppler effect
number of waves that pass a given point per unit of time...
sound below the range of human hearing...
frequency
infrasonic
maximum distance that particles are displaced by a wave...
time needed for one wave to pass ...
amplitude
period
sound that can be heard...
random sound with no intended pattern...
audible
noise
a musical instrument's distinctive sound quality is …
set of frequencies at which an object vibrates...
timbre
natural frequencies
hollow body that reverberates sound waves produced by an instrument to make the sound louder...
the distance between two notes...
resonator
interval
The result of the interference of two notes...
consonance
loud noise caused by a shock wave...
strength of a sound wave...
sonic boom
intensity
mutual reinforcement or cancellation that occurs when two or more waves meet...
vibrations traveling through a medium in the form of longitudinal waves...
interference
sound
the length of a wave...
family of instruments played by being struck...
wavelength
percussion
family of instruments that include the trumpet and tuba...
the most versatile and widely played instrument in modern times...
brass
piano
the spreading out of a wave after it passes through a narrow opening...
the most dominant sound produced when a musical instrument plays a single note...
diffraction
fundamental
unit used to measure sound intensity...
unit of frequency...
decibel
hertz
periodic back and forth motion that transmit energy...
effect of frequency on the way our ear perceives sound...
wave
pitch
when driving frequency and a natural frequency are the same, they are...
sound that occurs when a lip in the path of a flow of air causes regular pulses of compression...
resonance
edge tone
effect of sound-wave on the way human ear perceives sound...
change in wave's direction when passing from one substance into another...
loudness
refraction
multiple reflections causing a persistence of sound not heard as separate sounds...
sound heard after being reflected from an object...
reverberation
echo
violent compression caused by an object moving faster than the speed of sound...
process of dissipating the energy of sound wave in matter...
Shock wave
absorption
frequency relationships between the fundamental and overtones are described by the …
harmonic series
sound of definite pitch, produced by a single voice or a musical instrument...
note