In humans the audible range of frequencies is usually 20 to 20,000 Hz, although there is considerable variation between individuals, especially at high frequencies, where a gradual decline with age is considered normal.
For more details about about different mammal click http://en.wikipedia.org/wiki/Hearing_range
In humans the audible range of frequencies is usually 20 to 20,000 Hz, although there is considerable variation between individuals, especially at high frequencies, where a gradual decline with age is considered normal.
For more details about about different mammal click http://en.wikipedia.org/wiki/Hearing_range
In humans the audible range of frequencies is usually 20 to 20,000 Hz, although there is considerable variation between individuals, especially at high frequencies, where a gradual decline with age is considered normal.
For more details about about different mammal click http://en.wikipedia.org/wiki/Hearing_range
eAnswers Team
In humans the audible range of frequencies is usually 20 to 20,000 Hz, although there is considerable variation between individuals, especially at high frequencies, where a gradual decline with age is considered normal.
For more details about about different mammal click http://en.wikipedia.org/wiki/Hearing_range
eAnswers Team
In humans the audible range of frequencies is usually 20 to 20,000 Hz, although there is considerable variation between individuals, especially at high frequencies, where a gradual decline with age is considered normal.
For more details about about different mammal click http://en.wikipedia.org/wiki/Hearing_range
eAnswers Team
In humans the audible range of frequencies is usually 20 to 20,000 Hz, although there is considerable variation between individuals, especially at high frequencies, where a gradual decline with age is considered normal.
For more details about about different mammal click http://en.wikipedia.org/wiki/Hearing_range