1 • Properties / Characteristics of Sound / Notes

What type of wave is Sound?

Longitudinal

What is the loudness of sound determined by?

Amplitude

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Loudness of Sound Waves

a - soft note

b - loud note

What is the pitch of sound determined by?

Frequency

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Pitch of Sound Waves

a - low note

b - high note

What is the quality of sound determined by?

Number of overtones

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Quality of Sound Waves

a - fundamental frequency

b - overtone

Define Fundamental Frequency (f)

Largest standing wave

Define the SI Unit for Fundamental Frequency

Hertz

Hz

Define Overtones / Harmonics

Multiples of the fundamental frequency

Define Pure Note

Note of one frequency

Name the only instrument with a pure note

Tuning Fork

Name a use of frequencies

Electronic synthesis can mix various frequencies to imitate a musical instrument