EXAM #2 Flashcards
What is the vocal tract?
Network consisting of the larynx, pharynx, and the oral and nasal cavities
Define nasopharynx
Region of the pharynx at the back of the nose and above the soft palate
Define oropharynx
Center portion of the pharynx; between the roof of the mouth and the upper edge of the epiglottis
Define laryngopharynx
Lower part of the pharynx, just below the opening into the larynx and esophagus
What is the hard palate?
The roof of the mouth; bony front portion of the palate
What is the velum/soft palate?
The soft part of the palate towards the rear of the mouth
What is the uvula?
The small projection of soft tissue hanging from the back middle edge of the soft palate
Define articulation
The production of particular speech sounds with clear and precise pronunciation
What are the five primary articulators for the English language?
Tongue, teeth, lips, hard palate, and alveolar ridge
What is the Source-Filter theory
The basic idea that your vocal folds are the source of your sound and the vocal tract is like the filter before sound moves to the outside world
What is the Non-Linear theory of voice production?
Sound moves similarly to the Source-Filter theory (a - b - c), but with a constant loop between a and b, due to back pressure from the pharynx
Define acoustics
The properties or qualities of an area that determine the way sound is transmitted
Define psychoacoustics
The way our ears perceive and hear sound
What are sound waves?
Longitudinal waves that move and carry sound through the air
What is a waveform?
A measurement of the distance between two wavelengths in upward and downward reflections
Define simple harmonic motion
Sound that does not occur in nature, but comes from electronics, only having one harmonic
Define complex harmonic motion
Sound that contains multiple harmonics, occurring naturally
What are periodic sounds?
Soundwaves that have a repeating pattern; we hear periodic waves as having pitch
What are aperiodic sounds?
Soundwaves that do not repeat regularly or produce continuous spectrum; do not have pitch
What is a sine wave?
A wave coming from simple harmonic motion
What is noise?
Sound that lacks a discernible pitch
Define frequency
The number of complete wavelengths that pass a point in a given time
Define pitch
A tone’s perceived highness or lowness; the psychoacoustic perception of frequency
What is the fundamental frequency?
The lowest frequency of a complex sound; aka the sound we hear
Define Hertz (Hz)
The unit of frequency, equal to one cycle per second; used to measure pitch
What is a decibel?
The unit we use to measure loudness and amplitude
Define loudness
The psychoacoustic perception of amplitude
Define amplitude
The distance between crest and trough of each wave
What is timbre?
The perceived sound quality of a musical note, sound, or tone
What is natural frequency?
The frequency at which an object in its natural state wants to resonate
What are harmonics/overtones/partials?
Frequencies that are multiples of the fundamental frequency (1st harmonic = fundamental frequency)