Module 19-1
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12 terms
Terms | Definitions |
|---|---|
 Define audition | The sense or act of hearing |
| What frequencies do humans best hear? | Frequencies in a range corresponding to that of the human voice |
| What are sound waves? | Jostling molecules of air, each bumping into the new. The resulting waves of compressed and expanded are are like the ripples on a pond circling out from where a stone has been tossed. Our ears detect these brief air pressure changes. |
| What happens when we had low, loud bass sounds? | We hear and feel the vibration |
| Define Amplitude | the strength of sound waves; determines loudness |
| Define loudness | How loud the sound is; determined by the amplitude |
| Define frequency | The number of complete wavelengths that pass a point in a given time (e.g.,per second) |
| Define pitch | A tone's experienced highness or lowness; depends on frequency. |
| Long waves have _____ frequency, and ______ pitch. | low; low |
| Short waves have _____ frequency, and ______ pitch. | high; high |
| How do we measure sound? | In decibles |
| What is the absolute threshold for hearing? | Zero decibles |
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