Explain the meaning of the term "phonetics" in one sentence.
Phonetics is the branch of linguistics that studies the sounds of human speech, focusing on their production, transmission, and perception.
Complete the following task based on the instruction and optional input provided.### Instruction:
Explain the meaning of the term "phonetics" in one sentence.

### Output:
Phonetics is the branch of linguistics that studies the sounds of human speech, focusing on their production, transmission, and perception.