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The average audible frequency range is 20 to 20000 hertz but the value may vary from indiviual to indiviual. Young kids may have exactly this audible range but some elder peopâ¦le have lesser audible frequency range.
Frequency is measured in hertz (Hz). A person who has hearing within the normal range can hear sounds that have frequencies between 20 and 20,000 Hz. The most important sounds we hear every day are in the 250 to 6,000 Hz range.