S&H Science Unit 2

When there are no constrictions the vocal tract acts as a _____.

• Detector

• Tube Closed on One End

• Battery

• Regulator

What is a high, front vowel?

• /i/

• /u/

• /o/

• /ae/

What acoustic information is shown on a spectrogram?

• Phase

• Frequency

• Intensity

• Time

What clues are the most helpful when differentiating between vowels on a spectrogram?

• Formant Frequencies

• Cues

• Harmonics

• Duration

What theory posits that the vocal tract acts as a variable filter which modifies sound produced at the glottis?

• Acoustic Speech Theory

• Transfer Function Theory

• Source-Filter Theory

• Linear Prediction Theory

For vowels, what is the source in the source filter theory?

• Vocal Folds

• Trachea

• Nasal Cavity

• Friction

In general everyone's vowel space is different and unique to them.

• True

• False

Consonants are usually thought of as _____ sounds.

• Periodic

• Smooth

• Cylindrical

• Aperiodic

What acoustic cue differentiates voiced and voiceless consonants?

• Nasal Murmur

• Length

• Voicing Bar

• Loudness

Fricatives, stops, nasals, glides, and liquids are what type of category?

• Manner

• Place

• Voicing