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17 Cards in this Set

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Doppler effect

A moving object that makes a sound differently if the object is moving toward or away from you.

Moving object

Decibel

The unit for measuring the loudness of a sound.

Loudness, sound

Pitch

How your ears hear and interpret a sound of a certain frequency.

Interpret sound

Supersonic

Objects move faster than the speed of sound waves.

Move faster

Harmonic

You can tell which HARMONIC a vibrating string is experiencing by counting the nodes and antinodes.

You can tell which HARMONIC a vibrating string is experiencing by counting the nodes and antinodes.

Standing wave

A wave confined or trapped in a certain way space.

Wave confined

Fundamental

The lowest natural frequency of an oscillator.

Lowest natural frequency

Reverbration

A multiple echo in a concert hall or other room.

Multiple echo

Frequency spectrum

A graph that shows the amplitudes of different frequencies that make up a sound.

Graph that shows amplitudes

Beat

As two sounds of slightly different frequencies go in and out of phrases, BEAT can be heard.

Frequencies go in and out

Rhythm

A regular time pattern in a serious of sounds.

Period in sounds

Musical scale

A pattern of frequencies used by musicians.

Frequencies used by musicians.

Octave

The range between a frequency on a musical scale and a frequency that is twice as great.

Range between frequency

Sonogram

A graph that shows the frequency, amplitude, and time of a sound such as a person saying a word.

Graph shows frequency amplitude and time

Consonance

A combination that of sounds of different frequencies that sound pleasant.

Different frequencies, pleasant

Dissonance

A combination of sounds of different frequencies that sound unpleasant.

Different frequencies, unpleasant

Note

Each frequency on a musical scale.

F