Comps/Praxis Review

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Author:
SassyCasey
ID:
132883
Filename:
Comps/Praxis Review
Updated:
2012-02-04 21:59:32
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Acoustics
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SLP EXAM
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  1. the lowest frequencey component of a complex periodic wave.
    fundamental frequency
  2. the repetition rate of a complex periodic wave. It is the vibrating frequency of the vocal folds (1st harmonic)
    Fundamental Frequency
  3. whole number multiples of F0
    Harmonics
  4. A peak of resonance in the vocal tract, formants are displayed in a wide-band spectorgram as broad bands of energy.
    Formant Frequency
  5. The resonance frequencies of the vocal tract are commonly referred to as F1, F2, F3.
    Formant Frequency
  6. An acoustic filter passes or blocks components of osund of different frequencies. For ex, low-acoustic filter blocks the high-freq components of a wave, and passes the low frequency components.
    Acoustic filters
  7. Time b/w the release of a stop consonant and phonation (time required to initiate sound). Lead (voicing b4 the release)
    Lag (voicing after the stop release)
    Zero ( some overlapping)
    VOT- Voice Onset Time
  8. Sibliants are high or low intensity?
    high intensity
  9. Non- Sibliants are high or low intensity?
    low intensity
  10. F1: tongue height
    Increase tongue height = ?
    low F1
  11. Regarding F1, decrease tongue height =?
    high F1
  12. Regarding F1, higher the tongue, _____ lip aperture
    smaller
  13. Regarding F1, the lower the tongue, ______lip aperture
  14. some vowels are inherently longer than other. Tendency for duration to increase as f1 increases.
    Instrinsic vowel duration
  15. The wider the mouth opening, the ___ the duration
    longer
  16. lip protrusion=longer oral cavity= ?
    lower frequency
  17. Amplitude by time
    waveform
  18. amplitude by frquency
    spectrum
  19. amplitude by frequency by time
    spectrogram
  20. what does not account for differences between long and short vowels
    transitions
  21. What is directly related to how wide the speakers mouth is? (ie Intensity)
    Amplitude
  22. Dynamic information is sufficient to ID. Beginning and end of the vowel has important information
    silent centers.
  23. This resembles vowels and are characterized by changing formant frequencies particulary F2 & F3
    semivowels
  24. glides: /w/ (low F2) and /j/ (high F2)
    liquids:/r/ (low F3) and /l/ (high F3)
    are examples of
    semivowels
  25. /w/ has a _____ F2 and /j/ has a F2
    low, high
  26. /r/ has a ____ F3 and /l/ has a ____ F3
    low, high
  27. short transitions cue
    stops
  28. long transitions cue
    semivowels
  29. very long transitions cue
    vowel
  30. The following stops /p/ /t/ /k/ are voiceless or voiced
    voiceless
  31. The following stops /b/ /d/ /g/ are voiceless or voiced
    voiced
  32. What is distingueshed by silent gaps, noise bursts, rise/fall and change in F1?
    stops
  33. Assumption that each consonant has a characteristic and fixed frequency position, or locus. (Silence 1/2 transition and then they were able to ID sound)if whole transition was maintained it was IDed as different sound
    Locus Theory
  34. Sounds are distinguished by
    Manner place and voicing
  35. What group of sounds are characterized by the presence of nasal murmur, presence of nasal resonances (lowers F1 of neighboring vowels)
    nasals (m,n ing)
  36. What group of sounds are characterized by the longer duration for voiceless (rupee vs. ruby), longer when following vowel is stressed (CONtent vs. conTENT)
    Medial
  37. What group of sounds are determined by the preceding vowel (shorter duration = unvoiced "lip", longer= voiced "lib"
    voicing of stops (Final)

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