Refers to the various frequency can be heard by humans or animals, and listen to the scope. Used to measure the sound you can hear frequencies could be heard throughout our lifetime of changes, and known as audiogram test people. Why can't hear the noise that humans and certain animals is big difference between mammals described human hearing range. Human hearing range is 20-20, 000 Hz. Upon reaching teenage, human, on this range to most oral communication significantly small 200 placed between and 8,000 Hz. 1, 000-3,500 Hz frequency is sensitive to the human ear. Known as sound, low-frequency ultrasonic hearing range references. Test human hearing by audiometer. This piece of equipment can be heard in headphones special on various frequencies. Use the minimum auditory curves compare the test results. This curve represents the normal hearing range. Another way to detect the range of human hearing is a behavior known as hearing a listening comprehension test. This test contains a particular pitch and intensity of tone range. As an indication that heard the sound of my hand and raises. Tester is recorded in the lowest intensity sound could be heard by the subject.
