In the Source-Filter Theory of Speech Production

Question

In the source-filter theory of speech production,
A) the oral cavity is the source and the nasal cavity provides the filter.
B) the vibrating vocal folds are the source and the oral/nasal cavities provide the filter.
C) the respiratory system is the source and the articulatory/resonatory system provides the filter.
D) none of the above.

Accepted Answer

In the source-filter theory, the vibrating vocal folds act as the source of sound, and the oral and nasal cavities act as the filter that shapes the sound into speech.