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Definition
| Move the direction of the propagation of the wave |
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Definition
| Move Perpendicular to the propagation of the wave |
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Term
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Definition
| Longitudinal pressure/displacement wave |
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Term
| Normal frequency of sound? |
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Definition
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Definition
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Definition
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Term
| Sound requires what to propagate? |
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Definition
| A medium, such as air, water, solid, etc. |
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Term
| The velocity of sound in air at room temp. is? |
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Definition
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Term
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Definition
| A change or a disturbance that propagates from one place to another |
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Term
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Definition
| Not sound waves. Electro-magnetic waves. |
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Term
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Definition
| Not sound waves. Electro-magnetic waves. |
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Term
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Definition
Distance apoint on the wave travels divided by the time it takes to move.
v=d/t |
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Term
| Sound is non-dispersive, which means it's velocity is: |
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Definition
| independent from it's frequency |
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Term
| Velocity of air at any temp |
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Definition
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Term
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Definition
Number of times something happens in a second (Hz)
f=1/p |
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Term
| frequency x wavelength = ? |
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Definition
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Term
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Definition
time it takes to make one cycle, oscillation or pulse
P=1/f |
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Term
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Definition
| upside down squiggly v thing |
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Term
| Sound travels faster in -- air than in --. |
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Definition
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Term
| Standard atmospheric pressure |
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Definition
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Term
| Simple Harmonic Oscillator |
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Definition
| device that oscillates at one frequency, determined by the spring constant K and the mass m of the system |
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Term
| Equation for natural frequency of a Simple Harmonic Oscillator |
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Definition
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Term
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Definition
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Term
| The number of normal or natural modes of vibration of an oscillator is equal to: |
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Definition
| The number of simple harmonic oscillators that comprise that complex oscillator |
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Term
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Definition
| converting pressure fluctuations into electrical signals |
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Term
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Definition
| electrical signals versus time |
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Term
| The term sine wave describes anything that: |
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Definition
| varies with time or position |
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Term
| A simple harmonic oscillator moves like a sine wave. It's motion is called: |
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Definition
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Term
| Complex sounds can be produced from: |
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Definition
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Term
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Definition
| Breaking waveforms down into simple sine waves |
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Term
| The lowest frequency component of a wave is equal to |
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Definition
| 1/P-repeat, the reciprocal of the repeat period P-repeat |
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Term
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Definition
| Building waveforms up from simple sine waves |
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Term
| A Fourier Spectrum is the: |
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Definition
| recipe for building the waveform |
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Term
| The lowest (or fundamental) frequency f1 of the components of a waveform is equal to: |
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Definition
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Term
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Definition
a Fourier Frequency Spectrum in which the frequency of each of the components is an integral multiple of the fundamental frequency
f1=1f1, f2=2f2, f3=3f3, ect |
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Term
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Definition
| an integer ration of frequency |
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Term
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Definition
| amount or size of a component wave |
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Term
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Definition
| number of oscillations per second |
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Term
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Definition
| the relative starting point of a component wave |
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Term
| Wave form is determined by these two things: |
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Definition
| Frequency spectrum and phase spectrum |
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Term
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Definition
| Humans cannot directly sense the phase of a sound wave |
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Term
Correlation w/ musical characteristics:
Amplitude
Frequency
Waveform
Contour |
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Definition
Loudness
Pitch
Timbre
Rhythm |
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Term
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Definition
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Term
| A given frequency ration is called an |
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Definition
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Term
| An octave is the pitch interval that corresponds to a ration of: |
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Definition
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Term
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Definition
| one point on a wave to a corresponding point on the next |
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Term
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Definition
| one point on a wave to a corresponding point on the next |
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Term
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Definition
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Term
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Definition
| shift (measured in fraction of a cycle) for a wave relative to a time standard |
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Term
| Mechanical energy is carried in |
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Definition
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Term
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Definition
| Force x Distance (in Joules or Newton meters) |
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Term
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Definition
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Term
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Definition
| rate of energy dissipation or radiation |
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Term
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Definition
| W/t (In Watts or Joules/sec) |
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Term
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Definition
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Term
| higher frequencies tend to -- more rapidly than do lower frequencies |
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Definition
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Term
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Definition
| A short lived burst of energy in a system |
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Term
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Definition
| radiation and friction damp the various harmonics differently |
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Term
| Resonance is the phenomenon of |
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Definition
| sympathetic vibration at a natural frequency with energy supplied from an outside source |
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