What is audible range? And what is the range for a human being?

What is audible range? And what is the range for a human being?

Audible range is the range which the human ears can hear.The SI unit of audio frequency is the hertz (Hz). It is the property of sound that most determines pitch. The generally accepted standard range of audible frequencies is 20 to 20,000 Hz, although the range of frequencies individuals hear is greatly influenced by environmental factors.