Term
|
Definition
| mechanical oscillations about an equilibrium point |
|
|
Term
|
Definition
| A device that allows you to see sound waves |
|
|
Term
|
Definition
| amount of molecules that form an object; quantity of matter present; measured in grams |
|
|
Term
|
Definition
| Force exerted on supporting surface; dependent on mass and gravitational force; force and weight are measured in Newtons |
|
|
Term
|
Definition
| Force applied to a given surface; measured in Pascal |
|
|
Term
|
Definition
| a disturbance/variation that travels through a medium by transfering energy progressivly from point to point |
|
|
Term
|
Definition
| variations in air pressure |
|
|
Term
Sound waves transport
not .
|
|
Definition
|
|
Term
| Air is able to transmit sound because it has and . |
|
Definition
|
|
Term
|
Definition
| the ability to resist changes in shape or volume. |
|
|
Term
| What is inertia? (Newton's 1st Law) |
|
Definition
| tendency of a body in motion to remain in motion until acted upon by an outside force. |
|
|
Term
| what is Newton's 3rd law? |
|
Definition
| with every force there is an equal and opposite force |
|
|
Term
what is an area of high density called?
|
|
Definition
|
|
Term
| What is an area of low density called? |
|
Definition
|
|
Term
| Wave propagation is due to forces from... |
|
Definition
| compression and rarefaction |
|
|
Term
|
Definition
|
|
Term
| What are transverse waves? |
|
Definition
| Each particle moves up and down with exactly the same frequency as the other particles. |
|
|
Term
| What are longitudinal waves? |
|
Definition
| each particle moves back and forth with exactly the same frequency as the other particles |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| movement from resting place, through resting place, then back to resting place, easily marked by peaks and troughs, one cycle equals one period |
|
|
Term
|
Definition
| the distance between two corresponding points on a wave, a spatial not time measurement |
|
|
Term
|
Definition
| a particular point in the cycle of a waveform, measured as an angle in degrees. |
|
|
Term
| formula to convert milliseconds to seconds |
|
Definition
|
|
Term
| fomula to convert seconds to milliseconds |
|
Definition
| milliseconds=seconds*1000 |
|
|
Term
|
Definition
| a subjective percept of sound along a qualitative low to high scale |
|
|
Term
| what are the two formulas for frequency? |
|
Definition
|
|
Term
| high frequency = ______ pitch |
|
Definition
|
|
Term
| humans can hear frequency from _______ to _______ Hz but hear best from _________ to ___________ Hz. |
|
Definition
|
|
Term
| The area of frequency and loudness for speech is known as ___________ |
|
Definition
|
|
Term
|
Definition
| a property or quantity assignable to matter or waves as a consequence of its state |
|
|
Term
|
Definition
| rate at which energy is converted, or energy per time unit |
|
|
Term
|
Definition
|
|
Term
|
Definition
| magnitude of displacement of a wave |
|
|
Term
|
Definition
| rate of reduction of amplitude (rate at which energy is absorbed) |
|
|
Term
|
Definition
| A subjective auditory property that allows someone to put a lable on a sound from soft to loud. |
|
|
Term
| Doubling dB IL increases the number by... |
|
Definition
|
|
Term
| doubling a sounds pressure in dB SPL increases it by... |
|
Definition
|
|
Term
| what unit uses a logrithm and is nonlinear? |
|
Definition
|
|
Term
| T or F. 0dB equals no sound |
|
Definition
|
|
Term
| What is constructive interference? |
|
Definition
| adding waves causes amplitude to increase |
|
|
Term
| What is destructive interference? |
|
Definition
| adding of waves causes the amplitude to decrease |
|
|
Term
| What is the principle of superposition? |
|
Definition
| shape of a total wave formed is obtained via by combining the contributions of 2 individual waves. |
|
|
Term
| What is a harmonic relation? |
|
Definition
| frequencies of a periodic wave must be an integer of the lowest number |
|
|
Term
| How do you find the 4th harmonic? |
|
Definition
|
|
Term
| What are the 3 subsystems in speech physiology? |
|
Definition
| Respitory, phonatory, articulatory |
|
|
Term
| What is the ave. pressure used for speech? |
|
Definition
|
|
