
What Is Voice? What Is Speech? What Is Language? The functions, skills, and abilities of voice, speech, and language are related. Some dictionaries and textbooks use the terms almost interchangeably. But for scientists and medical professionals, it is important to distinguish among them. Voice Voice (or vocalization) is the sound produced by humans and other vertebrates using the lungs and the vocal folds in the larynx, or voice box. Voice is not always produced as speech, however. Infants babble and … read more >>