Answer:
The system of sounds in speech
Step-by-step explanation:
Phonetics is a branch of linguistics that studies the different sounds made in a speech. In other words is how we made them, how we perceive them, and how we transmit them. For all this, there are phonetics symbols that we use to transcribe a sound into a paper, they are different from the letters, but they represent the different sounds that these can do while we articulate them together.