When we produce a sound with our voice, we can get the vocal…

When we produce a sound with our voice, we can get the vocal folds vibrating (source) with air from our lungs. We can then shape (filter) that source by changing the pathway that the sound makes as it exits our mouth. Suppose we start out with our mouth wide open, and then draw it almost closed like we were blowing through a straw. The sound would likely: