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39 Cards in this Set
- Front
- Back
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Sine wave |
Wave with only fundamental and no overtones |
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Triangle wave |
Wave with every odd overtone and higher one fall off |
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Square wave |
Wave with every other overtone but brighter and more than triangle |
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Sawtooth wave |
Wave with all over tones |
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Transverse waves |
Omnidirectional - right angle of direction |
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Longintudinal waves |
Sound waves , parrellell of direction |
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Frequency |
Number of waves ( cycles ) passed thru in a second , measured in hertZ |
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Wavelengths |
Distance between perks and troughs |
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Cycle |
1 cycle , 1 trough = hertz |
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Medium |
Material sound goes through |
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Amplitude |
Loudness measured in DB |
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Compression |
Greater than normal atmospheric pressure |
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Rarefaction |
Less than normal atmospheric pressure |
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What frequency are humans more sensitive to |
4khz |
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White noise |
All the frequencies |
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Background noise |
Noises in background not from source |
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Tamber |
Sound color , envelope and harmonic content |
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Fundamental pitch |
Natural sound , no overtones |
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Filters |
Used to shape sound or change profile |
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Adsr |
Attack , sustain , decay , release |
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Polor pattern |
Spacial range |
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Cardioid |
Basic polar patern - heart shaped |
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Supercardioid |
Enhanced - records source and some of room - heart with some behind |
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Omnidirectional mic |
All directions |
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Figure 8 mic |
Figure 8 direction and can be used with cardioid |
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Pink noise |
As gets higher in frequency gets lower in volume to get balanced |
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Phase |
Product of interference - waves not synched - ex 1 mic closer |
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Envelope |
The way to control amplitude of a given sound over a given amount of time |
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Analog |
Sounds in the form of Voltage |
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Digitial audio |
Sounds in form of information - 0s and 1s |
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Adc |
Audio digital conversion |
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Dac |
Digital audio conversion |
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Gain |
Add amplitude |
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Sub base |
16 - 60 |
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Base |
60 to 250 hz |
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Low mid |
250 - 2k |
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High mid |
2k - 4k |
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Presence |
4k - 6k |
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Brillance |
6k to 20k |
