vocalization

noun

1. The faculty, act, or product of speaking: discourse, speech, talk, utterance, verbalization. See words.
2. The use of the speech organs to produce sounds: articulation, enunciation, utterance, vocalism, voicing. See sounds/pleasant sounds/unpleasant sounds/neutral sounds or silence, words.
3. The act or an instance of expressing in words: articulation, expression, statement, utterance, verbalization, voice. See words.

The noun has 2 meanings:

Meaning #1: the sound made by the vibration of vocal folds modified by the resonance of the vocal tract
  Synonyms: voice, vocalisation, phonation, vox

Meaning #2: the use of uttered sounds for auditory communication
  Synonym: utterance