chapter 15
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| frequency | sound tells you how fast pressure oscillates
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| superpostion principle | sound creates by superpstion of many frequncies
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| decibels | loudness of a sound
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| speaker | device spicificly to reproduce sounds accuratly
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| acoustics | sound and technology of sound
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| microphone | transforms sound waves into electrical signal
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| stereo | recorded sound you hear
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| longitudinal waves | air thats compressed in direction of travel
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| wavelength | sound in air thats compairable to size of everyday objects
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| subsonic | moving slower than sound
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| shock wave | forms when wave fronts pile up
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| supersonic | moveing faster than sound
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| reverbration | multible scho
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| fourier's theorm | any wave can be repersented as a sum of single frquency waves
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| frequency spectrum | graph that shows amplitude of each component frequency in complex wave.
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| sonogram | special graph that shows how lound sound is in diffrent frequencies.
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| cochlea | tiny fluid filled organ
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| rhythm | reqular time pattern in a sound
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| musical scale | pattern of frequencies
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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