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Acoustic phonetics and psychoacoustics

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  • The phenomenon where one sound makes another inaudible is:
    Reflection
    Resonance
    Masking
    Vibration
  • The formant primarily related to tongue advancement is:
    F3
    F0
    F1
    F2
  • Nasal consonants are characterized acoustically by:
    Antiformants and nasal murmur
    Burst noise
    High frequency energy
    Long VOT
  • The lowest sound level that can be detected 50% of the time is called:
    Dynamic range
    Threshold of pain
    Reference intensity
    Threshold of hearing
  • Which term describes the energy loss of a vibrating system over time?
    Damping
    Amplitude
    Resonance
    Interference
  • The unit of frequency is:
    Joule (J)
    Hertz (Hz)
    Decibel (dB)
    Newton (N)
  • Frequency corresponds perceptually to:
    Duration
    Pitch
    Loudness
    Quality
  • The decibel (dB) scale is:
    Linear
    Relative to time
    Logarithmic
    Exponential
  • A sound wave that repeats itself at regular intervals is considered:
    Random
    Aperiodic
    Periodic
    Transient
  • Which term refers to the number of cycles per second of a sound wave?
    Amplitude
    Phase
    Frequency
    Intensity
  • The Fletcher–Munson curves represent:
    Equal loudness contours
    Harmonic intervals
    Formant spacing
    Resonance frequencies
  • Which acoustic cue best distinguishes voiced from voiceless stops?
    Intensity contour
    Formant transitions
    Voice onset time (VOT)
    Nasal murmur
  • Amplitude corresponds perceptually to:
    Duration
    Timbre
    Pitch
    Loudness
  • Fricatives show which visual pattern on a spectrogram?
    Periodic vertical striations
    Distinct formant transitions
    Random high-frequency noise
    Low-frequency bands
  • A simple harmonic motion produces which type of wave?
    Complex
    Tansverse
    Sine wave
    Longitudinal
  • The ear perceives doubling of loudness roughly with every:
    10 dB increase
    3 dB increase
    20 dB increase
    6 dB increase
  • The study of the perception of sound is called:
    Phonotactics
    Psychoacoustics
    Audiometry
    Neurolinguistics
  • The lowest frequency of a periodic sound is called:
    Fundamental frequency
    Harmonic
    Overtonal frequency
    Resonant frequency
  • Stops are acoustically identified by:
    Nasal murmur
    Silence followed by burst release
    Continuous noise
    Steady-state formants
  • Complex sounds are made up of:
    Silence
    Only aperiodic waves
    Multiple frequencies (harmonics)
    A single frequency
  • When two sound waves combine and increase amplitude, this is called:
    Destructive interference
    Attenuation
    Resonance
    Constructive interference
  • The psychological perception of frequency is:
    Pitch
    Duration
    Loudness
    Timbre
  • The fundamental frequency (F0) corresponds to:
    The rate of vocal fold vibration
    The intensity of speech
    The loudest harmonic
    The first formant
  • In vowels, the formant primarily related to tongue height is:
    F1
    F3
    F0
    F2
  • The ear is most sensitive to frequencies between:
    8,000–16,000 Hz
    50–200 Hz
    500–4,000 Hz
    20–100 Hz
  • When two tones differ slightly in frequency and create a “wobbling” effect, this is called:
    Resonance
    Masking
    Echo
    Beats
  • As the tongue height decreases, F1 generally:
    Increases
    Decreases
    Stays constant
    Disappears
  • Which of the following sounds shows a voice bar on a spectrogram?
    /k/
    /t/
    /p/
    /b/
  • The smallest detectable difference between two sounds is the:
    Sound pressure level
    Absolute threshold
    Difference limen
    Just noticeable pitch