Audio Flashcards
Base you “feel”
62.5 hz
Octave
An acoustic and scientific relationship between two pitches where in one vibrates twice as fast as the other.
Bass you hear
125 hz
Middle C
250 hz
Middle range
500 kz - 2khz
Presence
4khz
“SsssssS” sound
8khz
Extreme highs
16khz
Phase
Describes time relationship between two or more waves
Constructive interface
Two identical waves added together in phase will double in amplitude.
Destructive interface
Two identical waves added together 180 degrees out of phase will totally cancel each other.
Phase lock
Double amplitude
Fundamental frequency
Simplest motion of a complex wave. The perceived pitch.
Harmonic overtones
Whole number multiples of the fundamental frequency
Non-harmonic overtones
Have no whole number relationship with fundamental frequency
Complex wave
Two or more frequencies added together.
Tamber
Tone
Frequency Range
All of the frequencies an instrument can produce
Different filters
High pass
Low pass
Band pass
Equalizers
Shelving
Parameter
Center frequency
Controls the amount of boost or cut
Bandwidth
Controls the range of frequencies offered