What is fundamental frequency? - ANSWER-- The lowest frequency of a periodic waveform.
- Lowest rate of repetition.
- If the waveform has aperiodic components, they could be lower than the fundamental.
- A physical measure.
Can complex waves still be periodic? - ANSWER-Yes. Simple or compl...
COMD 5070 Exam 2
Questions & Answers 100%
Correct!!
What is fundamental frequency? - ANSWER-- The lowest frequency of a periodic waveform.
- Lowest rate of repetition.
- If the waveform has aperiodic components, they could be lower than the fundamental.
- A physical measure.
Can complex waves still be periodic? - ANSWER-Yes. Simple or complex it does not matter.
What does it mean to be "nearly periodic"? - ANSWER-There is a repeating pattern but pattern is not
perfect. Minor deviations.
Why would SLPs be interested in measurements of fundamental frequency? - ANSWER-No voice is
perfectly periodic, and variability equates to perturbation. It corresponds to hoarseness and
roughness that SLPs would be interested in knowing. Sometimes people want to work on changing
the pitch of their speech. Sometimes that's a clinical goal that people have. They're unhappy with the
pitch that they speak at. we need really precise
calculations of the period from one peak to the next if we're going to be able to detect those tiny
inconsistencies from one cycle to the next that are reflected in Shimmer In order to see jitter, which
is the change in duration from one to the next consecutive cycle,
When the vocal folds vibrate faster/slower, what is the perceived change in a person's voice? (e.g. is
it louder, softer, higher, or lower in pitch?) - ANSWER-When vocal folds vibrate faster, the pitch is
higher. Slow vocal folds produce a lower pitch.
Describe a register - ANSWER-a pattern of vocal fold vibration.
, modal register - ANSWER-a typical speaking voice, the whole mass of vocal fold oscillates, it is known
as your chest voice and has a wide dynamic range. Has a mucosal cover, collagen and elastic fibers.
Mid range singing.
pulse register - ANSWER-vocal fry, has a crackly quality and occurs at a very low F0 range. Vocal fold
sticks. Limited pitch and loudness.
falsetto - ANSWER-the high end of F0. Vocal folds are stretched tightly. Little to no movement of
muscles.
What is the period of a sound? - ANSWER-The amount of time it takes for a wave to travel a distance
of a wavelength. Equal to 1/F0.
What does the Hz unit mean... can you explain it in your own words? - ANSWER-1 Hz = 1 cycle per
second. A standard unit of frequency.
Which register includes mid range singing - ANSWER-modal
which register has limited pitch and loudness - ANSWER-pulse register
which register occur at a lower F0 - ANSWER-A pulse register
Which register occur at a higher f0 - ANSWER-falsetto
which register has the larger f0/lpudness range - ANSWER-modal
What does it mean if a person has a lack of variability in their fundamental frequency across a
reading passage (i.e. how would they sound)? - ANSWER-monotone
What does the standard deviation of fundamental frequency tell you? - ANSWER-show what the
speaker typically does, or habitual behavior
What are some factors that might affect a person's fundamental frequency? - ANSWER-- gender
- age
-vocal fold edema
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